#1E1B9E#1E1B9E

#1E1B9E is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.8% C 0.198 H 270.7°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#1E1B9E
RGB	rgb(30, 27, 158)
HSL	hsl(241, 71%, 36%)
HSV	hsv(241, 83%, 62%)
CMYK	cmyk(81%, 82.9%, 0%, 38%)
CIE-LAB	lab(22.04, 46.56, -68.27)
CIE-LCH	lch(22.04, 82.64, 304.29°)
OKLab	oklab(34.83% 0.0023 -0.1976)
OKLCH	oklch(34.83% 0.198 270.7)
XYZ	xyz(7.0968, 3.5277, 32.6480)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E1B9E #9B9E1B

analogous

#1B5A9E #1E1B9E #601B9E

triadic

#1E1B9E #9E1E1B #1B9E1E

tetradic

#1E1B9E #9E1B5A #9B9E1B #1B9E60

square

#1E1B9E #9E1B5A #9B9E1B #1B9E60

split-complementary

#1E1B9E #9E601B #5A9E1B

monochromatic

#0A0935 #14126A #1E1B9E #2824D2 #5552E1

Accessibility & contrast

On white

12.31

#1E1B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1E1B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E1B9E

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E1B9E	#FFFFFF	#000000	##FFFFFF
##1E1B9E	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA2

Deuteranopia (green-blind)

#002E9C

Tritanopia (blue-blind)

#00455E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1e1b9e;
/* rgb */ color: rgb(30, 27, 158);
/* oklch */ color: oklch(34.8% 0.198 270.7);

Tailwind

colors: {
  custom: {
    50: '#745bbc',
    500: '#1e1b9e',
    950: '#000000',
  },
}

SCSS

$custom: #1e1b9e;
$custom-light: #745bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1e1b9e",
  "rgb": {
    "r": 30,
    "g": 27,
    "b": 158
  },
  "hsl": {
    "h": 241.374,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.34833,
    "c": 0.19763,
    "h": 270.7
  },
  "luminance": 0.03529
}

Semantic roles & 50–950 ramp

primary

#1E1B9E

secondary

#C2C451

accent

#EE3AE9

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1E1B9E

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

Preview Lab → · Contrast checker → · Palette generator →