#1E33A7#1E33A7

#1E33A7 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.3% C 0.186 H 267.8°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#1E33A7
RGB	rgb(30, 51, 167)
HSL	hsl(231, 70%, 39%)
HSV	hsv(231, 82%, 65%)
CMYK	cmyk(82%, 69.5%, 0%, 34.5%)
CIE-LAB	lab(27.93, 35.90, -64.00)
CIE-LCH	lch(27.93, 73.38, 299.29°)
OKLab	oklab(39.31% -0.0071 -0.1854)
OKLCH	oklch(39.31% 0.186 267.8)
XYZ	xyz(8.6919, 5.4327, 37.1422)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E33A7 #A7921E

analogous

#1E77A7 #1E33A7 #4D1EA7

triadic

#1E33A7 #A71E33 #33A71E

tetradic

#1E33A7 #A71E77 #A7921E #1EA74D

square

#1E33A7 #A71E77 #A7921E #1EA74D

split-complementary

#1E33A7 #A74D1E #77A71E

monochromatic

#0B133F #152373 #1E33A7 #2A44D9 #5D72E2

Accessibility & contrast

On white

10.06

#1E33A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#1E33A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E33A7

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E33A7	#FFFFFF	#000000	##FFFFFF
##1E33A7	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AB

Deuteranopia (green-blind)

#003BA5

Tritanopia (blue-blind)

#005369

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1e33a7;
/* rgb */ color: rgb(30, 51, 167);
/* oklch */ color: oklch(39.3% 0.186 267.8);

Tailwind

colors: {
  custom: {
    50: '#746bc2',
    500: '#1e33a7',
    950: '#000000',
  },
}

SCSS

$custom: #1e33a7;
$custom-light: #746bc2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e33a7",
  "rgb": {
    "r": 30,
    "g": 51,
    "b": 167
  },
  "hsl": {
    "h": 230.803,
    "s": 69.543,
    "l": 38.627
  },
  "oklch": {
    "l": 0.39313,
    "c": 0.18556,
    "h": 267.8
  },
  "luminance": 0.05434
}

Semantic roles & 50–950 ramp

primary

#1E33A7

secondary

#C6B65B

accent

#D13BEC

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #1E33A7

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

Preview Lab → · Contrast checker → · Palette generator →