#1D404A#1D404A

#1D404A is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.0% C 0.044 H 218.9°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#1D404A
RGB	rgb(29, 64, 74)
HSL	hsl(193, 44%, 20%)
HSV	hsv(193, 61%, 29%)
CMYK	cmyk(60.8%, 13.5%, 0%, 71%)
CIE-LAB	lab(25.02, -9.28, -9.94)
CIE-LCH	lch(25.02, 13.59, 226.96°)
OKLab	oklab(34.99% -0.0342 -0.0275)
OKLCH	oklch(34.99% 0.044 218.9)
XYZ	xyz(3.5756, 4.4221, 7.1424)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D404A #4A271D

analogous

#1D4A3D #1D404A #1D2A4A

triadic

#1D404A #4A1D40 #404A1D

tetradic

#1D404A #3D1D4A #4A271D #2A4A1D

square

#1D404A #3D1D4A #4A271D #2A4A1D

split-complementary

#1D404A #4A1D2A #4A3D1D

monochromatic

#091316 #0C1A1E #1D404A #2E6676 #3F8CA2

Accessibility & contrast

On white

11.14

#1D404A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1D404A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D404A

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D404A	#FFFFFF	#000000	##FFFFFF
##1D404A	1.00	11.14	1.88	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3E4B

Deuteranopia (green-blind)

#33394A

Tritanopia (blue-blind)

#004343

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1d404a;
/* rgb */ color: rgb(29, 64, 74);
/* oklch */ color: oklch(35.0% 0.044 218.9);

Tailwind

colors: {
  custom: {
    50: '#5e747c',
    500: '#1d404a',
    950: '#000000',
  },
}

SCSS

$custom: #1d404a;
$custom-light: #5e747c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d404a",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 74
  },
  "hsl": {
    "h": 193.333,
    "s": 43.689,
    "l": 20.196
  },
  "oklch": {
    "l": 0.34994,
    "c": 0.0439,
    "h": 218.9
  },
  "luminance": 0.04422
}

Semantic roles & 50–950 ramp

primary

#1D404A

secondary

#7F5144

accent

#7154D3

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #1D404A

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

Preview Lab → · Contrast checker → · Palette generator →