#1D4573#1D4573

#1D4573 is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.7% C 0.091 H 253.8°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#1D4573
RGB	rgb(29, 69, 115)
HSL	hsl(212, 60%, 28%)
HSV	hsv(212, 75%, 45%)
CMYK	cmyk(74.8%, 40%, 0%, 54.9%)
CIE-LAB	lab(28.78, 3.00, -30.53)
CIE-LCH	lch(28.78, 30.68, 275.60°)
OKLab	oklab(38.66% -0.0252 -0.087)
OKLCH	oklch(38.66% 0.091 253.8)
XYZ	xyz(5.7282, 5.7546, 17.0252)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4573 #734B1D

analogous

#1D7073 #1D4573 #201D73

triadic

#1D4573 #731D45 #45731D

tetradic

#1D4573 #731D70 #734B1D #1D7320

square

#1D4573 #731D70 #734B1D #1D7320

split-complementary

#1D4573 #73201D #70731D

monochromatic

#060F18 #112842 #1D4573 #2962A4 #3C80CE

Accessibility & contrast

On white

9.76

#1D4573 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#1D4573 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4573

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4573	#FFFFFF	#000000	##FFFFFF
##1D4573	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304875

Deuteranopia (green-blind)

#234072

Tritanopia (blue-blind)

#005056

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1d4573;
/* rgb */ color: rgb(29, 69, 115);
/* oklch */ color: oklch(38.7% 0.091 253.8);

Tailwind

colors: {
  custom: {
    50: '#65789b',
    500: '#1d4573',
    950: '#000000',
  },
}

SCSS

$custom: #1d4573;
$custom-light: #65789b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4573",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 115
  },
  "hsl": {
    "h": 212.093,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.38656,
    "c": 0.09056,
    "h": 253.8
  },
  "luminance": 0.05755
}

Semantic roles & 50–950 ramp

primary

#1D4573

secondary

#A77945

accent

#9945E3

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1D4573

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

Preview Lab → · Contrast checker → · Palette generator →