#1E1B83#1E1B83

#1E1B83 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.6% C 0.165 H 272.9°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#1E1B83
RGB	rgb(30, 27, 131)
HSL	hsl(242, 66%, 31%)
HSV	hsv(242, 79%, 51%)
CMYK	cmyk(77.1%, 79.4%, 0%, 48.6%)
CIE-LAB	lab(18.79, 37.67, -56.88)
CIE-LCH	lch(18.79, 68.22, 303.51°)
OKLab	oklab(31.62% 0.0084 -0.1646)
OKLCH	oklch(31.62% 0.165 272.9)
XYZ	xyz(5.0227, 2.6981, 21.7244)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E1B83 #80831B

analogous

#1B4C83 #1E1B83 #521B83

triadic

#1E1B83 #831E1B #1B831E

tetradic

#1E1B83 #831B4C #80831B #1B8352

square

#1E1B83 #831B4C #80831B #1B8352

split-complementary

#1E1B83 #83521B #4C831B

monochromatic

#07061E #121150 #1E1B83 #2A25B6 #4541D8

Accessibility & contrast

On white

13.64

#1E1B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1E1B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E1B83

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E1B83	#FFFFFF	#000000	##FFFFFF
##1E1B83	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003386

Deuteranopia (green-blind)

#002981

Tritanopia (blue-blind)

#003A4E

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1e1b83;
/* rgb */ color: rgb(30, 27, 131);
/* oklch */ color: oklch(31.6% 0.165 272.9);

Tailwind

colors: {
  custom: {
    50: '#6c59a8',
    500: '#1e1b83',
    950: '#000000',
  },
}

SCSS

$custom: #1e1b83;
$custom-light: #6c59a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1e1b83",
  "rgb": {
    "r": 30,
    "g": 27,
    "b": 131
  },
  "hsl": {
    "h": 241.731,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.31619,
    "c": 0.16481,
    "h": 272.9
  },
  "luminance": 0.02699
}

Semantic roles & 50–950 ramp

primary

#1E1B83

secondary

#B3B643

accent

#E93FE4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1E1B83

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

Preview Lab → · Contrast checker → · Palette generator →