#1D5574#1D5574

#1D5574 is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 42.8% C 0.077 H 237.0°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX#1D5574
RGBrgb(29, 85, 116)
HSLhsl(201, 60%, 28%)
HSVhsv(201, 75%, 45%)
CMYKcmyk(75%, 26.7%, 0%, 54.5%)
CIE-LABlab(34.02, -6.96, -22.92)
CIE-LCHlch(34.02, 23.95, 253.10°)
OKLaboklab(42.8% -0.042 -0.0646)
OKLCHoklch(42.8% 0.077 237)
XYZxyz(6.9063, 8.0184, 17.7033)
Luminance0.0802 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D5574 #743C1D
analogous
#1D7467 #1D5574 #1D2974
triadic
#1D5574 #741D55 #55741D
tetradic
#1D5574 #671D74 #743C1D #29741D
square
#1D5574 #671D74 #743C1D #29741D
split-complementary
#1D5574 #741D29 #74671D
monochromatic
#061218 #113143 #1D5574 #2979A5 #3D9BCE

Accessibility & contrast

On white

8.07
#1D5574 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.60
#1D5574 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5574
8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D5574#FFFFFF#000000##FFFFFF
##1D55741.008.072.608.07
#FFFFFF8.071.0021.001.00
#0000002.6021.001.0021.00
##FFFFFF8.071.0021.001.00

Color blindness preview

Protanopia (red-blind)
#465575
Deuteranopia (green-blind)
#3A4C73
Tritanopia (blue-blind)
#005D60
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #1d5574;
/* rgb */ color: rgb(29, 85, 116);
/* oklch */ color: oklch(42.8% 0.077 237.0);
Tailwind
colors: {
  custom: {
    50: '#66849c',
    500: '#1d5574',
    950: '#000000',
  },
}
SCSS
$custom: #1d5574;
$custom-light: #66849c;
$custom-dark: #000000;
JSON
{
  "hex": "#1d5574",
  "rgb": {
    "r": 29,
    "g": 85,
    "b": 116
  },
  "hsl": {
    "h": 201.379,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.428,
    "c": 0.07702,
    "h": 237
  },
  "luminance": 0.08019
}

Semantic roles & 50–950 ramp

primary
#1D5574
secondary
#A86845
accent
#7D45E3
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060B0E
muted
#7A7C7E

Preview Lab

Preview with #1D5574

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

Preview Lab → · Contrast checker → · Palette generator →

#1D5574 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva