#1D537E#1D537E

#1D537E is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 42.9% C 0.091 H 246.3°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#1D537E
RGB	rgb(29, 83, 126)
HSL	hsl(207, 63%, 30%)
HSV	hsv(207, 77%, 49%)
CMYK	cmyk(77%, 34.1%, 0%, 50.6%)
CIE-LAB	lab(33.89, -1.86, -29.33)
CIE-LCH	lch(33.89, 29.39, 266.36°)
OKLab	oklab(42.86% -0.0365 -0.0832)
OKLCH	oklch(42.86% 0.091 246.3)
XYZ	xyz(7.3644, 7.9532, 20.8816)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D537E #7E481D

analogous

#1D7E78 #1D537E #1D227E

triadic

#1D537E #7E1D53 #537E1D

tetradic

#1D537E #781D7E #7E481D #227E1D

square

#1D537E #781D7E #7E481D #227E1D

split-complementary

#1D537E #7E1D22 #7E781D

monochromatic

#06111B #12324C #1D537E #2874B0 #4293D3

Accessibility & contrast

On white

8.11

#1D537E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#1D537E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D537E

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D537E	#FFFFFF	#000000	##FFFFFF
##1D537E	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5580

Deuteranopia (green-blind)

#324C7D

Tritanopia (blue-blind)

#005D62

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1d537e;
/* rgb */ color: rgb(29, 83, 126);
/* oklch */ color: oklch(42.9% 0.091 246.3);

Tailwind

colors: {
  custom: {
    50: '#6883a3',
    500: '#1d537e',
    950: '#000000',
  },
}

SCSS

$custom: #1d537e;
$custom-light: #6883a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d537e",
  "rgb": {
    "r": 29,
    "g": 83,
    "b": 126
  },
  "hsl": {
    "h": 206.598,
    "s": 62.581,
    "l": 30.392
  },
  "oklch": {
    "l": 0.4286,
    "c": 0.09085,
    "h": 246.3
  },
  "luminance": 0.07954
}

Semantic roles & 50–950 ramp

primary

#1D537E

secondary

#B17545

accent

#8B42E6

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1D537E

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

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