#1D5387#1D5387

#1D5387 is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.4% C 0.103 H 250.8°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#1D5387
RGB	rgb(29, 83, 135)
HSL	hsl(209, 65%, 32%)
HSV	hsv(209, 79%, 53%)
CMYK	cmyk(78.5%, 38.5%, 0%, 47.1%)
CIE-LAB	lab(34.39, 1.67, -34.07)
CIE-LCH	lch(34.39, 34.11, 272.81°)
OKLab	oklab(43.42% -0.0338 -0.0971)
OKLCH	oklch(43.42% 0.103 250.8)
XYZ	xyz(7.9715, 8.1961, 24.0788)
Luminance	0.0820 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5387 #87511D

analogous

#1D8786 #1D5387 #1D1E87

triadic

#1D5387 #871D53 #53871D

tetradic

#1D5387 #861D87 #87511D #1E871D

square

#1D5387 #861D87 #87511D #1E871D

split-complementary

#1D5387 #871D1E #87861D

monochromatic

#071522 #123455 #1D5387 #2872B9 #4791D7

Accessibility & contrast

On white

7.96

#1D5387 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#1D5387 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5387

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5387	#FFFFFF	#000000	##FFFFFF
##1D5387	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B5689

Deuteranopia (green-blind)

#2B4C86

Tritanopia (blue-blind)

#005F66

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1d5387;
/* rgb */ color: rgb(29, 83, 135);
/* oklch */ color: oklch(43.4% 0.103 250.8);

Tailwind

colors: {
  custom: {
    50: '#6983aa',
    500: '#1d5387',
    950: '#000000',
  },
}

SCSS

$custom: #1d5387;
$custom-light: #6983aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5387",
  "rgb": {
    "r": 29,
    "g": 83,
    "b": 135
  },
  "hsl": {
    "h": 209.434,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.43419,
    "c": 0.10281,
    "h": 250.8
  },
  "luminance": 0.08197
}

Semantic roles & 50–950 ramp

primary

#1D5387

secondary

#B97F46

accent

#9240E8

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1D5387

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

Preview Lab → · Contrast checker → · Palette generator →