#1D587D#1D587D

#1D587D is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.1% C 0.085 H 240.5°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#1D587D
RGB	rgb(29, 88, 125)
HSL	hsl(203, 62%, 30%)
HSV	hsv(203, 77%, 49%)
CMYK	cmyk(76.8%, 29.6%, 0%, 51%)
CIE-LAB	lab(35.44, -5.41, -26.27)
CIE-LCH	lch(35.44, 26.82, 258.36°)
OKLab	oklab(44.07% -0.0419 -0.0742)
OKLCH	oklch(44.07% 0.085 240.5)
XYZ	xyz(7.6966, 8.7204, 20.6756)
Luminance	0.0872 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D587D #7D421D

analogous

#1D7D72 #1D587D #1D287D

triadic

#1D587D #7D1D58 #587D1D

tetradic

#1D587D #721D7D #7D421D #287D1D

square

#1D587D #721D7D #7D421D #287D1D

split-complementary

#1D587D #7D1D28 #7D721D

monochromatic

#06121A #11354B #1D587D #297BAF #419BD3

Accessibility & contrast

On white

7.65

#1D587D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#1D587D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D587D

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D587D	#FFFFFF	#000000	##FFFFFF
##1D587D	1.00	7.65	2.74	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47587F

Deuteranopia (green-blind)

#3A4F7C

Tritanopia (blue-blind)

#006165

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1d587d;
/* rgb */ color: rgb(29, 88, 125);
/* oklch */ color: oklch(44.1% 0.085 240.5);

Tailwind

colors: {
  custom: {
    50: '#6887a3',
    500: '#1d587d',
    950: '#000000',
  },
}

SCSS

$custom: #1d587d;
$custom-light: #6887a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d587d",
  "rgb": {
    "r": 29,
    "g": 88,
    "b": 125
  },
  "hsl": {
    "h": 203.125,
    "s": 62.338,
    "l": 30.196
  },
  "oklch": {
    "l": 0.44072,
    "c": 0.08527,
    "h": 240.5
  },
  "luminance": 0.08721
}

Semantic roles & 50–950 ramp

primary

#1D587D

secondary

#B16F45

accent

#8142E5

background

#F6F8FA

surface

#EBEFF3

border

#C6CACD

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1D587D

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

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