#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
RGBrgb(29, 82, 136)
HSLhsl(210, 65%, 32%)
HSVhsv(210, 79%, 53%)
CMYKcmyk(78.7%, 39.7%, 0%, 46.7%)
CIE-LABlab(34.13, 2.72, -35.09)
CIE-LCHlch(34.13, 35.19, 274.44°)
OKLaboklab(43.24% -0.0326 -0.1001)
OKLCHoklch(43.24% 0.105 252)
XYZxyz(7.9663, 8.0724, 24.4261)
Luminance0.0807 (WCAG relative)
Temperaturecool
Familycyan

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
##1D52881.008.032.618.03
#FFFFFF8.031.0021.001.00
#0000002.6121.001.0021.00
##FFFFFF8.031.0021.001.00

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 →

#1D5288 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva