#257bf8

Color #257bf8

A vivid, highly saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 8.81 Nearest Tailwind class blue-500 #2b7fff · ΔE 1.6

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#257bf8

RGB

rgb(37, 123, 248)

HSL

hsl(215.5, 93.8%, 55.9%)

HSV / HSB

hsv(215.5, 85.1%, 97.3%)

CMYK

cmyk(85.1%, 50.4%, 0%, 2.7%)

LAB

lab(53.31, 20.67, -69.3)

LCH

lch(53.31, 72.32, 286.61)

OKLCH

oklch(60.4%, 0.2037, 258.79)

HWB

hwb(215.5, 14.5%, 2.7%)

Harmony colors

Complementary

#f8a225

Analogous

#25e5f8

#257bf8

#3825f8

Triadic

#257bf8

#f8257b

#7bf825

Split-complementary

#257bf8

#f83825

#e5f825

Tetradic

#257bf8

#a225f8

#f8a225

#7bf825

Square

#257bf8

#f825e5

#f8a225

#25f838

Shades

Color #257bf8 mixed toward black.

#0762e6

#064fb8

#043b8a

#03275c

#01142e

Tints

Color #257bf8 mixed toward white.

#4991f9

#6ea7fa

#92bdfc

#b6d3fd

#dbe9fe

Tones

Color #257bf8 mixed toward gray.

#377ee6

#4882d5

#5a85c3

#6b88b2

#7d8ba0

Accessibility

Aa White text on this color

3.99:1

Aa Black text on this color

5.27:1

Black text reads better on this background (5.27:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5758e2 · ΔE 14

Deuteranopia

#534cdc · ΔE 17.3

Tritanopia

#2ecec9 · ΔE 38.9

Achromatopsia

#7f7f7f · ΔE 27.5

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #257bf8;

Tailwind (arbitrary value)

bg-[#257bf8]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#257bf8 (#257bf8) is rgb(37, 123, 248) in RGB.

No, #257bf8 is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #257bf8, or check how it holds up for accessibility.

Generate a palette → Check contrast