#1D5988#1D5988

#1D5988 is a dark, moderate cyan. Relative luminance 0.092; OKLCH L 45.0% C 0.098 H 246.3°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX#1D5988
RGBrgb(29, 89, 136)
HSLhsl(206, 65%, 32%)
HSVhsv(206, 79%, 53%)
CMYKcmyk(78.7%, 34.6%, 0%, 46.7%)
CIE-LABlab(36.33, -1.79, -31.60)
CIE-LCHlch(36.33, 31.65, 266.75°)
OKLaboklab(44.97% -0.0394 -0.0898)
OKLCHoklch(44.97% 0.098 246.3)
XYZxyz(8.5213, 9.1825, 24.6111)
Luminance0.0918 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D5988 #884C1D
analogous
#1D8881 #1D5988 #1D2488
triadic
#1D5988 #881D59 #59881D
tetradic
#1D5988 #811D88 #884C1D #24881D
square
#1D5988 #811D88 #884C1D #24881D
split-complementary
#1D5988 #881D24 #88811D
monochromatic
#071723 #123856 #1D5988 #287ABA #4898D8

Accessibility & contrast

On white

7.40
#1D5988 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.84
#1D5988 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5988
7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D5988#FFFFFF#000000##FFFFFF
##1D59881.007.402.847.40
#FFFFFF7.401.0021.001.00
#0000002.8421.001.0021.00
##FFFFFF7.401.0021.001.00

Color blindness preview

Protanopia (red-blind)
#435B8A
Deuteranopia (green-blind)
#345187
Tritanopia (blue-blind)
#00646A
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #1d5988;
/* rgb */ color: rgb(29, 89, 136);
/* oklch */ color: oklch(45.0% 0.098 246.3);
Tailwind
colors: {
  custom: {
    50: '#6a87ab',
    500: '#1d5988',
    950: '#000000',
  },
}
SCSS
$custom: #1d5988;
$custom-light: #6a87ab;
$custom-dark: #000000;
JSON
{
  "hex": "#1d5988",
  "rgb": {
    "r": 29,
    "g": 89,
    "b": 136
  },
  "hsl": {
    "h": 206.355,
    "s": 64.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.44966,
    "c": 0.09802,
    "h": 246.3
  },
  "luminance": 0.09184
}

Semantic roles & 50–950 ramp

primary
#1D5988
secondary
#BA7947
accent
#8A40E8
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070B10
muted
#7A7C7F

Preview Lab

Preview with #1D5988

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

Preview Lab → · Contrast checker → · Palette generator →

#1D5988 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva