#1D4873#1D4873

#1D4873 is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 39.4% C 0.087 H 251.0°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#1D4873
RGB	rgb(29, 72, 115)
HSL	hsl(210, 60%, 28%)
HSV	hsv(210, 75%, 45%)
CMYK	cmyk(74.8%, 37.4%, 0%, 54.9%)
CIE-LAB	lab(29.75, 0.99, -29.01)
CIE-LCH	lch(29.75, 29.03, 271.95°)
OKLab	oklab(39.41% -0.0284 -0.0825)
OKLCH	oklch(39.41% 0.087 251)
XYZ	xyz(5.9174, 6.1331, 17.0883)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4873 #73481D

analogous

#1D7373 #1D4873 #1D1D73

triadic

#1D4873 #731D48 #48731D

tetradic

#1D4873 #731D73 #73481D #1D731D

square

#1D4873 #731D73 #73481D #1D731D

split-complementary

#1D4873 #731D1D #73731D

monochromatic

#060F18 #112942 #1D4873 #2967A4 #3C85CE

Accessibility & contrast

On white

9.43

#1D4873 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#1D4873 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4873

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4873	#FFFFFF	#000000	##FFFFFF
##1D4873	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344A75

Deuteranopia (green-blind)

#284272

Tritanopia (blue-blind)

#005258

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1d4873;
/* rgb */ color: rgb(29, 72, 115);
/* oklch */ color: oklch(39.4% 0.087 251.0);

Tailwind

colors: {
  custom: {
    50: '#657a9b',
    500: '#1d4873',
    950: '#000000',
  },
}

SCSS

$custom: #1d4873;
$custom-light: #657a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4873",
  "rgb": {
    "r": 29,
    "g": 72,
    "b": 115
  },
  "hsl": {
    "h": 210,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.39407,
    "c": 0.0872,
    "h": 251
  },
  "luminance": 0.06134
}

Semantic roles & 50–950 ramp

primary

#1D4873

secondary

#A77645

accent

#9445E3

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1D4873

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

Preview Lab → · Contrast checker → · Palette generator →