#1D4471#1D4471

#1D4471 is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 38.3% C 0.089 H 253.8°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#1D4471
RGB	rgb(29, 68, 113)
HSL	hsl(212, 59%, 28%)
HSV	hsv(212, 74%, 44%)
CMYK	cmyk(74.3%, 39.8%, 0%, 55.7%)
CIE-LAB	lab(28.35, 2.87, -29.97)
CIE-LCH	lch(28.35, 30.10, 275.48°)
OKLab	oklab(38.28% -0.0247 -0.0853)
OKLCH	oklch(38.28% 0.089 253.8)
XYZ	xyz(5.5534, 5.5871, 16.4053)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4471 #714A1D

analogous

#1D6E71 #1D4471 #201D71

triadic

#1D4471 #711D44 #44711D

tetradic

#1D4471 #711D6E #714A1D #1D7120

square

#1D4471 #711D6E #714A1D #1D7120

split-complementary

#1D4471 #71201D #6E711D

monochromatic

#060F18 #112740 #1D4471 #2961A2 #3C7FCD

Accessibility & contrast

On white

9.92

#1D4471 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1D4471 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4471

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4471	#FFFFFF	#000000	##FFFFFF
##1D4471	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4773

Deuteranopia (green-blind)

#233F70

Tritanopia (blue-blind)

#004F55

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1d4471;
/* rgb */ color: rgb(29, 68, 113);
/* oklch */ color: oklch(38.3% 0.089 253.8);

Tailwind

colors: {
  custom: {
    50: '#65779a',
    500: '#1d4471',
    950: '#000000',
  },
}

SCSS

$custom: #1d4471;
$custom-light: #65779a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4471",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 113
  },
  "hsl": {
    "h": 212.143,
    "s": 59.155,
    "l": 27.843
  },
  "oklch": {
    "l": 0.38275,
    "c": 0.08883,
    "h": 253.8
  },
  "luminance": 0.05588
}

Semantic roles & 50–950 ramp

primary

#1D4471

secondary

#A57844

accent

#9A45E2

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1D4471

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

Preview Lab → · Contrast checker → · Palette generator →