#1D4E82#1D4E82

#1D4E82 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.9% C 0.101 H 252.6°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E82
RGB	rgb(29, 78, 130)
HSL	hsl(211, 64%, 31%)
HSV	hsv(211, 78%, 51%)
CMYK	cmyk(77.7%, 40%, 0%, 49%)
CIE-LAB	lab(32.53, 2.97, -33.95)
CIE-LCH	lch(32.53, 34.08, 275.00°)
OKLab	oklab(41.87% -0.0303 -0.0968)
OKLCH	oklch(41.87% 0.101 252.6)
XYZ	xyz(7.2588, 7.3209, 22.1453)
Luminance	0.0732 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E82 #82511D

analogous

#1D8082 #1D4E82 #1E1D82

triadic

#1D4E82 #821D4E #4E821D

tetradic

#1D4E82 #821D80 #82511D #1D821E

square

#1D4E82 #821D80 #82511D #1D821E

split-complementary

#1D4E82 #821E1D #80821D

monochromatic

#07121E #123050 #1D4E82 #286CB4 #448BD5

Accessibility & contrast

On white

8.52

#1D4E82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#1D4E82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E82

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E82	#FFFFFF	#000000	##FFFFFF
##1D4E82	1.00	8.52	2.46	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365284

Deuteranopia (green-blind)

#264881

Tritanopia (blue-blind)

#005A61

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1d4e82;
/* rgb */ color: rgb(29, 78, 130);
/* oklch */ color: oklch(41.9% 0.101 252.6);

Tailwind

colors: {
  custom: {
    50: '#687fa6',
    500: '#1d4e82',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e82;
$custom-light: #687fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e82",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 130
  },
  "hsl": {
    "h": 210.891,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.41868,
    "c": 0.10147,
    "h": 252.6
  },
  "luminance": 0.07322
}

Semantic roles & 50–950 ramp

primary

#1D4E82

secondary

#B57F46

accent

#9641E7

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1D4E82

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

Preview Lab → · Contrast checker → · Palette generator →