#1E4E81#1E4E81

#1E4E81 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.8% C 0.100 H 252.5°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#1E4E81
RGB	rgb(30, 78, 129)
HSL	hsl(211, 62%, 31%)
HSV	hsv(211, 77%, 51%)
CMYK	cmyk(76.7%, 39.5%, 0%, 49.4%)
CIE-LAB	lab(32.50, 2.71, -33.37)
CIE-LCH	lch(32.50, 33.48, 274.64°)
OKLab	oklab(41.84% -0.0299 -0.0951)
OKLCH	oklch(41.84% 0.1 252.5)
XYZ	xyz(7.2208, 7.3090, 21.7948)
Luminance	0.0731 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4E81 #81511E

analogous

#1E7F81 #1E4E81 #1F1E81

triadic

#1E4E81 #811E4E #4E811E

tetradic

#1E4E81 #811E7F #81511E #1E811F

square

#1E4E81 #811E7F #81511E #1E811F

split-complementary

#1E4E81 #811F1E #7F811E

monochromatic

#07121E #12304F #1E4E81 #2A6CB3 #468BD4

Accessibility & contrast

On white

8.53

#1E4E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#1E4E81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4E81

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4E81	#FFFFFF	#000000	##FFFFFF
##1E4E81	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365183

Deuteranopia (green-blind)

#274880

Tritanopia (blue-blind)

#005A61

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1e4e81;
/* rgb */ color: rgb(30, 78, 129);
/* oklch */ color: oklch(41.8% 0.100 252.5);

Tailwind

colors: {
  custom: {
    50: '#687fa6',
    500: '#1e4e81',
    950: '#000000',
  },
}

SCSS

$custom: #1e4e81;
$custom-light: #687fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4e81",
  "rgb": {
    "r": 30,
    "g": 78,
    "b": 129
  },
  "hsl": {
    "h": 210.909,
    "s": 62.264,
    "l": 31.176
  },
  "oklch": {
    "l": 0.41837,
    "c": 0.09972,
    "h": 252.5
  },
  "luminance": 0.0731
}

Semantic roles & 50–950 ramp

primary

#1E4E81

secondary

#B47F47

accent

#9642E5

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1E4E81

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

Preview Lab → · Contrast checker → · Palette generator →