#6699d4

Color #6699d4

A moderately saturated light blue.

Closest named color Steel Blue #4682b4 · ΔE 10.66 Nearest Tailwind class blue-400 #51a2ff · ΔE 5

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Conversions

HEX

#6699d4

RGB

rgb(102, 153, 212)

HSL

hsl(212.2, 56.1%, 61.6%)

HSV / HSB

hsv(212.2, 51.9%, 83.1%)

CMYK

cmyk(51.9%, 27.8%, 0%, 16.9%)

LAB

lab(61.96, -0.41, -35.37)

LCH

lch(61.96, 35.37, 269.34)

OKLCH

oklch(67.1%, 0.1038, 252.86)

HWB

hwb(212.2, 40%, 16.9%)

Harmony colors

Complementary

#d4a166

Analogous

#66d0d4

#6699d4

#6a66d4

Triadic

#6699d4

#d46699

#99d466

Split-complementary

#6699d4

#d46a66

#d0d466

Tetradic

#6699d4

#a166d4

#d4a166

#99d466

Square

#6699d4

#d466d0

#d4a166

#66d46a

Shades

Color #6699d4 mixed toward black.

#3d7ec9

#2e64a3

#224b7b

#173252

#0b1929

Tints

Color #6699d4 mixed toward white.

#80aadb

#99bbe2

#b3ccea

#ccddf1

#e6eef8

Tones

Color #6699d4 mixed toward gray.

#6f9acb

#789ac2

#829bb9

#8b9caf

#949ca6

Accessibility

Aa White text on this color

2.97:1

Aa Black text on this color

7.07:1

Black text reads better on this background (7.07:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#7f80c8 · ΔE 12.9

Deuteranopia

#7c78c5 · ΔE 14.9

Tritanopia

#69bdbb · ΔE 23.3

Achromatopsia

#969696 · ΔE 19.7

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

Code

CSS

background-color: #6699d4;

Tailwind (arbitrary value)

bg-[#6699d4]

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

#6699d4 (#6699d4) is rgb(102, 153, 212) in RGB.

No, #6699d4 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.

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Palette Generator

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

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Build something with this color

Generate a full palette from #6699d4, or check how it holds up for accessibility.

Generate a palette → Check contrast