#1D4577#1D4577

#1D4577 is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.9% C 0.096 H 255.4°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX#1D4577
RGBrgb(29, 69, 119)
HSLhsl(213, 61%, 29%)
HSVhsv(213, 76%, 47%)
CMYKcmyk(75.6%, 42%, 0%, 53.3%)
CIE-LABlab(29.03, 4.60, -32.67)
CIE-LCHlch(29.03, 32.99, 278.01°)
OKLaboklab(38.92% -0.0242 -0.0932)
OKLCHoklch(38.92% 0.096 255.4)
XYZxyz(5.9634, 5.8487, 18.2638)
Luminance0.0585 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D4577 #774F1D
analogous
#1D7277 #1D4577 #221D77
triadic
#1D4577 #771D45 #45771D
tetradic
#1D4577 #771D72 #774F1D #1D7722
square
#1D4577 #771D72 #774F1D #1D7722
split-complementary
#1D4577 #77221D #72771D
monochromatic
#060E19 #112846 #1D4577 #2962A8 #3E7FD0

Accessibility & contrast

On white

9.68
#1D4577 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.17
#1D4577 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4577
9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D4577#FFFFFF#000000##FFFFFF
##1D45771.009.682.179.68
#FFFFFF9.681.0021.001.00
#0000002.1721.001.0021.00
##FFFFFF9.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D4979
Deuteranopia (green-blind)
#1F4176
Tritanopia (blue-blind)
#005158
Achromatopsia (no color)
#444444

Design tokens & code

CSS
--color: #1d4577;
/* rgb */ color: rgb(29, 69, 119);
/* oklch */ color: oklch(38.9% 0.096 255.4);
Tailwind
colors: {
  custom: {
    50: '#66789e',
    500: '#1d4577',
    950: '#000000',
  },
}
SCSS
$custom: #1d4577;
$custom-light: #66789e;
$custom-dark: #000000;
JSON
{
  "hex": "#1d4577",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 119
  },
  "hsl": {
    "h": 213.333,
    "s": 60.811,
    "l": 29.02
  },
  "oklch": {
    "l": 0.38924,
    "c": 0.09632,
    "h": 255.4
  },
  "luminance": 0.05849
}

Semantic roles & 50–950 ramp

primary
#1D4577
secondary
#AB7E45
accent
#9D44E4
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#06080E
muted
#7A7B7E

Preview Lab

Preview with #1D4577

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

Preview Lab → · Contrast checker → · Palette generator →

#1D4577 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva