#1D587E#1D587E

#1D587E is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.1% C 0.086 H 241.2°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#1D587E
RGB	rgb(29, 88, 126)
HSL	hsl(204, 63%, 30%)
HSV	hsv(204, 77%, 49%)
CMYK	cmyk(77%, 30.2%, 0%, 50.6%)
CIE-LAB	lab(35.49, -5.03, -26.80)
CIE-LCH	lch(35.49, 27.27, 259.38°)
OKLab	oklab(44.13% -0.0416 -0.0758)
OKLCH	oklch(44.13% 0.086 241.2)
XYZ	xyz(7.7608, 8.7461, 21.0138)
Luminance	0.0875 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D587E #7E431D

analogous

#1D7E73 #1D587E #1D277E

triadic

#1D587E #7E1D58 #587E1D

tetradic

#1D587E #731D7E #7E431D #277E1D

square

#1D587E #731D7E #7E431D #277E1D

split-complementary

#1D587E #7E1D27 #7E731D

monochromatic

#06131B #12354C #1D587E #287BB0 #429AD3

Accessibility & contrast

On white

7.64

#1D587E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#1D587E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D587E

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D587E	#FFFFFF	#000000	##FFFFFF
##1D587E	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465980

Deuteranopia (green-blind)

#394F7D

Tritanopia (blue-blind)

#006165

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1d587e;
/* rgb */ color: rgb(29, 88, 126);
/* oklch */ color: oklch(44.1% 0.086 241.2);

Tailwind

colors: {
  custom: {
    50: '#6887a3',
    500: '#1d587e',
    950: '#000000',
  },
}

SCSS

$custom: #1d587e;
$custom-light: #6887a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d587e",
  "rgb": {
    "r": 29,
    "g": 88,
    "b": 126
  },
  "hsl": {
    "h": 203.505,
    "s": 62.581,
    "l": 30.392
  },
  "oklch": {
    "l": 0.44128,
    "c": 0.08647,
    "h": 241.2
  },
  "luminance": 0.08747
}

Semantic roles & 50–950 ramp

primary

#1D587E

secondary

#B17045

accent

#8242E6

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1D587E

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

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