#1E31A7#1E31A7

#1E31A7 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.0% C 0.188 H 268.1°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#1E31A7
RGB	rgb(30, 49, 167)
HSL	hsl(232, 70%, 39%)
HSV	hsv(232, 82%, 65%)
CMYK	cmyk(82%, 70.7%, 0%, 34.5%)
CIE-LAB	lab(27.47, 37.17, -64.76)
CIE-LCH	lch(27.47, 74.67, 299.85°)
OKLab	oklab(38.98% -0.0062 -0.1877)
OKLCH	oklch(38.98% 0.188 268.1)
XYZ	xyz(8.6064, 5.2616, 37.1137)
Luminance	0.0526 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E31A7 #A7941E

analogous

#1E75A7 #1E31A7 #4F1EA7

triadic

#1E31A7 #A71E31 #31A71E

tetradic

#1E31A7 #A71E75 #A7941E #1EA74F

square

#1E31A7 #A71E75 #A7941E #1EA74F

split-complementary

#1E31A7 #A74F1E #75A71E

monochromatic

#0B133F #152273 #1E31A7 #2A42D9 #5D70E2

Accessibility & contrast

On white

10.23

#1E31A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#1E31A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E31A7

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E31A7	#FFFFFF	#000000	##FFFFFF
##1E31A7	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AB

Deuteranopia (green-blind)

#003AA5

Tritanopia (blue-blind)

#005268

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1e31a7;
/* rgb */ color: rgb(30, 49, 167);
/* oklch */ color: oklch(39.0% 0.188 268.1);

Tailwind

colors: {
  custom: {
    50: '#7469c2',
    500: '#1e31a7',
    950: '#000000',
  },
}

SCSS

$custom: #1e31a7;
$custom-light: #7469c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e31a7",
  "rgb": {
    "r": 30,
    "g": 49,
    "b": 167
  },
  "hsl": {
    "h": 231.679,
    "s": 69.543,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38976,
    "c": 0.18776,
    "h": 268.1
  },
  "luminance": 0.05263
}

Semantic roles & 50–950 ramp

primary

#1E31A7

secondary

#C6B75B

accent

#D43BEC

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #1E31A7

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

Preview Lab → · Contrast checker → · Palette generator →