#6388b4

Color #6388b4

A muted medium blue.

Closest named color Steel Blue #4682b4 · ΔE 6.73 Nearest Tailwind class blue-500 #2b7fff · ΔE 7.5

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

Conversions

HEX

#6388b4

RGB

rgb(99, 136, 180)

HSL

hsl(212.6, 35.1%, 54.7%)

HSV / HSB

hsv(212.6, 45%, 70.6%)

CMYK

cmyk(45%, 24.4%, 0%, 29.4%)

LAB

lab(55.64, -0.94, -27.15)

LCH

lch(55.64, 27.17, 268.02)

OKLCH

oklch(61.7%, 0.0789, 253.29)

HWB

hwb(212.6, 38.8%, 29.4%)

Harmony colors

Complementary

#b48f63

Analogous

#63b1b4

#6388b4

#6663b4

Triadic

#6388b4

#b46388

#88b463

Split-complementary

#6388b4

#b46663

#b1b463

Tetradic

#6388b4

#8f63b4

#b48f63

#88b463

Square

#6388b4

#b463b1

#b48f63

#63b466

Shades

Color #6388b4 mixed toward black.

#4b719d

#3c5a7e

#2d445e

#1e2d3f

#0f171f

Tints

Color #6388b4 mixed toward white.

#7d9cc1

#97b0cd

#b1c3da

#cbd7e6

#e5ebf3

Tones

Color #6388b4 mixed toward gray.

#6a89ad

#7089a7

#778aa0

#7e8a99

#858b92

Accessibility

Aa White text on this color

3.68:1

Aa Black text on this color

5.71:1

Black text reads better on this background (5.71:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#7575ab · ΔE 11.3

Deuteranopia

#7370a8 · ΔE 12.6

Tritanopia

#65a3a1 · ΔE 20.7

Achromatopsia

#858585 · ΔE 16.9

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

Code

CSS

background-color: #6388b4;

Tailwind (arbitrary value)

bg-[#6388b4]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Steel Blue #4682b4

Frequently asked questions

#6388b4 (#6388b4) is rgb(99, 136, 180) in RGB.

No, #6388b4 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #6388b4, or check how it holds up for accessibility.

Generate a palette → Check contrast