#2331A7#2331A7

#2331A7 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.2% C 0.186 H 269.5°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#2331A7
RGB	rgb(35, 49, 167)
HSL	hsl(234, 65%, 40%)
HSV	hsv(234, 79%, 65%)
CMYK	cmyk(79%, 70.7%, 0%, 34.5%)
CIE-LAB	lab(27.69, 37.57, -64.39)
CIE-LCH	lch(27.69, 74.55, 300.26°)
OKLab	oklab(39.2% -0.0016 -0.1865)
OKLCH	oklch(39.2% 0.186 269.5)
XYZ	xyz(8.7641, 5.3430, 37.1211)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2331A7 #A79923

analogous

#2373A7 #2331A7 #5723A7

triadic

#2331A7 #A72331 #31A723

tetradic

#2331A7 #A72373 #A79923 #23A757

square

#2331A7 #A72373 #A79923 #23A757

split-complementary

#2331A7 #A75723 #73A723

monochromatic

#0E1342 #182274 #2331A7 #3344D4 #6672DF

Accessibility & contrast

On white

10.15

#2331A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2331A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2331A7

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2331A7	#FFFFFF	#000000	##FFFFFF
##2331A7	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AB

Deuteranopia (green-blind)

#003BA5

Tritanopia (blue-blind)

#005268

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2331a7;
/* rgb */ color: rgb(35, 49, 167);
/* oklch */ color: oklch(39.2% 0.186 269.5);

Tailwind

colors: {
  custom: {
    50: '#7569c2',
    500: '#2331a7',
    950: '#000000',
  },
}

SCSS

$custom: #2331a7;
$custom-light: #7569c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2331a7",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 167
  },
  "hsl": {
    "h": 233.636,
    "s": 65.347,
    "l": 39.608
  },
  "oklch": {
    "l": 0.39198,
    "c": 0.18648,
    "h": 269.5
  },
  "luminance": 0.05344
}

Semantic roles & 50–950 ramp

primary

#2331A7

secondary

#C4BA61

accent

#D63FE8

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #2331A7

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

Preview Lab → · Contrast checker → · Palette generator →