#1D4D90#1D4D90

#1D4D90 is a dark, vivid cyan. Relative luminance 0.076; OKLCH L 42.6% C 0.122 H 257.6°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX#1D4D90
RGBrgb(29, 77, 144)
HSLhsl(215, 66%, 34%)
HSVhsv(215, 80%, 56%)
CMYKcmyk(79.9%, 46.5%, 0%, 43.5%)
CIE-LABlab(33.10, 9.25, -41.64)
CIE-LCHlch(33.10, 42.65, 282.52°)
OKLaboklab(42.59% -0.0262 -0.1194)
OKLCHoklch(42.59% 0.122 257.6)
XYZxyz(8.1928, 7.5816, 27.4118)
Luminance0.0758 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D4D90 #90601D
analogous
#1D8790 #1D4D90 #271D90
triadic
#1D4D90 #901D4D #4D901D
tetradic
#1D4D90 #901D87 #90601D #1D9027
square
#1D4D90 #901D87 #90601D #1D9027
split-complementary
#1D4D90 #90271D #87901D
monochromatic
#08172A #13325D #1D4D90 #2768C3 #4C88DB

Accessibility & contrast

On white

8.34
#1D4D90 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.52
#1D4D90 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4D90
8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D4D90#FFFFFF#000000##FFFFFF
##1D4D901.008.342.528.34
#FFFFFF8.341.0021.001.00
#0000002.5221.001.0021.00
##FFFFFF8.341.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2A5393
Deuteranopia (green-blind)
#0F498F
Tritanopia (blue-blind)
#005D67
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #1d4d90;
/* rgb */ color: rgb(29, 77, 144);
/* oklch */ color: oklch(42.6% 0.122 257.6);
Tailwind
colors: {
  custom: {
    50: '#6c7eb1',
    500: '#1d4d90',
    950: '#000000',
  },
}
SCSS
$custom: #1d4d90;
$custom-light: #6c7eb1;
$custom-dark: #000000;
JSON
{
  "hex": "#1d4d90",
  "rgb": {
    "r": 29,
    "g": 77,
    "b": 144
  },
  "hsl": {
    "h": 214.957,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.42594,
    "c": 0.12228,
    "h": 257.6
  },
  "luminance": 0.07583
}

Semantic roles & 50–950 ramp

primary
#1D4D90
secondary
#BD8E4B
accent
#A23EE9
background
#F7F7FA
surface
#EDEEF5
border
#C8C9CF
text
#080911
muted
#7B7B80

Preview Lab

Preview with #1D4D90

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

Preview Lab → · Contrast checker → · Palette generator →

#1D4D90 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva