#1D5288#1D5288

#1D5288 is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.2% C 0.105 H 252.0°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#1D5288
RGB	rgb(29, 82, 136)
HSL	hsl(210, 65%, 32%)
HSV	hsv(210, 79%, 53%)
CMYK	cmyk(78.7%, 39.7%, 0%, 46.7%)
CIE-LAB	lab(34.13, 2.72, -35.09)
CIE-LCH	lch(34.13, 35.19, 274.44°)
OKLab	oklab(43.24% -0.0326 -0.1001)
OKLCH	oklch(43.24% 0.105 252)
XYZ	xyz(7.9663, 8.0724, 24.4261)
Luminance	0.0807 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5288 #88531D

analogous

#1D8888 #1D5288 #1D1D88

triadic

#1D5288 #881D52 #52881D

tetradic

#1D5288 #881D88 #88531D #1D881D

square

#1D5288 #881D88 #88531D #1D881D

split-complementary

#1D5288 #881D1D #88881D

monochromatic

#071523 #123456 #1D5288 #2870BA #488FD8

Accessibility & contrast

On white

8.03

#1D5288 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#1D5288 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5288

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5288	#FFFFFF	#000000	##FFFFFF
##1D5288	1.00	8.03	2.61	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39568A

Deuteranopia (green-blind)

#284C87

Tritanopia (blue-blind)

#005F66

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1d5288;
/* rgb */ color: rgb(29, 82, 136);
/* oklch */ color: oklch(43.2% 0.105 252.0);

Tailwind

colors: {
  custom: {
    50: '#6a82ab',
    500: '#1d5288',
    950: '#000000',
  },
}

SCSS

$custom: #1d5288;
$custom-light: #6a82ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5288",
  "rgb": {
    "r": 29,
    "g": 82,
    "b": 136
  },
  "hsl": {
    "h": 210.28,
    "s": 64.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.43239,
    "c": 0.10527,
    "h": 252
  },
  "luminance": 0.08073
}

Semantic roles & 50–950 ramp

primary

#1D5288

secondary

#BA8147

accent

#9540E8

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1D5288

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

Preview Lab → · Contrast checker → · Palette generator →