#1D6688#1D6688

#1D6688 is a mid, moderate cyan. Relative luminance 0.115; OKLCH L 48.2% C 0.088 H 233.5°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#1D6688
RGB	rgb(29, 102, 136)
HSL	hsl(199, 65%, 32%)
HSV	hsv(199, 79%, 53%)
CMYK	cmyk(78.7%, 25%, 0%, 46.7%)
CIE-LAB	lab(40.48, -9.77, -25.10)
CIE-LCH	lch(40.48, 26.94, 248.73°)
OKLab	oklab(48.25% -0.0524 -0.0707)
OKLCH	oklch(48.25% 0.088 233.5)
XYZ	xyz(9.7002, 11.5404, 25.0041)
Luminance	0.1154 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D6688 #883F1D

analogous

#1D8874 #1D6688 #1D3188

triadic

#1D6688 #881D66 #66881D

tetradic

#1D6688 #741D88 #883F1D #31881D

square

#1D6688 #741D88 #883F1D #31881D

split-complementary

#1D6688 #881D31 #88741D

monochromatic

#071A23 #124056 #1D6688 #288CBA #48AAD8

Accessibility & contrast

On white

6.35

#1D6688 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#1D6688 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D6688

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D6688	#FFFFFF	#000000	##FFFFFF
##1D6688	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55658A

Deuteranopia (green-blind)

#475B87

Tritanopia (blue-blind)

#006F72

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1d6688;
/* rgb */ color: rgb(29, 102, 136);
/* oklch */ color: oklch(48.2% 0.088 233.5);

Tailwind

colors: {
  custom: {
    50: '#6a91ab',
    500: '#1d6688',
    950: '#000000',
  },
}

SCSS

$custom: #1d6688;
$custom-light: #6a91ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1d6688",
  "rgb": {
    "r": 29,
    "g": 102,
    "b": 136
  },
  "hsl": {
    "h": 199.065,
    "s": 64.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.48249,
    "c": 0.08802,
    "h": 233.5
  },
  "luminance": 0.11542
}

Semantic roles & 50–950 ramp

primary

#1D6688

secondary

#BA6B47

accent

#7540E8

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C10

muted

#7A7D7F

Preview Lab

Preview with #1D6688

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →