#1D576B#1D576B

#1D576B is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 42.9% C 0.067 H 224.7°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).

Color values

HEX#1D576B
RGBrgb(29, 87, 107)
HSLhsl(195, 57%, 27%)
HSVhsv(195, 73%, 42%)
CMYKcmyk(72.9%, 18.7%, 0%, 58%)
CIE-LABlab(34.27, -11.50, -16.92)
CIE-LCHlch(34.27, 20.46, 235.80°)
OKLaboklab(42.86% -0.0478 -0.0473)
OKLCHoklch(42.86% 0.067 224.7)
XYZxyz(6.5677, 8.1384, 15.1318)
Luminance0.0814 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D576B #6B311D
analogous
#1D6B58 #1D576B #1D306B
triadic
#1D576B #6B1D57 #576B1D
tetradic
#1D576B #581D6B #6B311D #306B1D
square
#1D576B #581D6B #6B311D #306B1D
split-complementary
#1D576B #6B1D30 #6B581D
monochromatic
#071418 #10303B #1D576B #2A7E9B #39A4C9

Accessibility & contrast

On white

7.99
#1D576B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.63
#1D576B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D576B
7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D576B#FFFFFF#000000##FFFFFF
##1D576B1.007.992.637.99
#FFFFFF7.991.0021.001.00
#0000002.6321.001.0021.00
##FFFFFF7.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4C556C
Deuteranopia (green-blind)
#414D6B
Tritanopia (blue-blind)
#005D5D
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #1d576b;
/* rgb */ color: rgb(29, 87, 107);
/* oklch */ color: oklch(42.9% 0.067 224.7);
Tailwind
colors: {
  custom: {
    50: '#648695',
    500: '#1d576b',
    950: '#000000',
  },
}
SCSS
$custom: #1d576b;
$custom-light: #648695;
$custom-dark: #000000;
JSON
{
  "hex": "#1d576b",
  "rgb": {
    "r": 29,
    "g": 87,
    "b": 107
  },
  "hsl": {
    "h": 195.385,
    "s": 57.353,
    "l": 26.667
  },
  "oklch": {
    "l": 0.42861,
    "c": 0.06724,
    "h": 224.7
  },
  "luminance": 0.08139
}

Semantic roles & 50–950 ramp

primary
#1D576B
secondary
#A05C44
accent
#6F47E1
background
#F6F8F9
surface
#EBEFF1
border
#C6CACB
text
#060B0D
muted
#7A7C7E

Preview Lab

Preview with #1D576B

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

Preview Lab → · Contrast checker → · Palette generator →

#1D576B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva