#2331A9#2331A9

#2331A9 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.4% C 0.189 H 269.4°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#2331A9
RGB	rgb(35, 49, 169)
HSL	hsl(234, 66%, 40%)
HSV	hsv(234, 79%, 66%)
CMYK	cmyk(79.3%, 71%, 0%, 33.7%)
CIE-LAB	lab(27.89, 38.29, -65.26)
CIE-LCH	lch(27.89, 75.66, 300.40°)
OKLab	oklab(39.41% -0.0018 -0.189)
OKLCH	oklch(39.41% 0.189 269.4)
XYZ	xyz(8.9504, 5.4175, 38.1024)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2331A9 #A99B23

analogous

#2374A9 #2331A9 #5823A9

triadic

#2331A9 #A92331 #31A923

tetradic

#2331A9 #A92374 #A99B23 #23A958

square

#2331A9 #A92374 #A99B23 #23A958

split-complementary

#2331A9 #A95823 #74A923

monochromatic

#0E1444 #192276 #2331A9 #3445D5 #6774DF

Accessibility & contrast

On white

10.08

#2331A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2331A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2331A9

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2331A9	#FFFFFF	#000000	##FFFFFF
##2331A9	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AD

Deuteranopia (green-blind)

#003BA7

Tritanopia (blue-blind)

#005369

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2331a9;
/* rgb */ color: rgb(35, 49, 169);
/* oklch */ color: oklch(39.4% 0.189 269.4);

Tailwind

colors: {
  custom: {
    50: '#766ac4',
    500: '#2331a9',
    950: '#000000',
  },
}

SCSS

$custom: #2331a9;
$custom-light: #766ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#2331a9",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 169
  },
  "hsl": {
    "h": 233.731,
    "s": 65.686,
    "l": 40
  },
  "oklch": {
    "l": 0.39405,
    "c": 0.18902,
    "h": 269.4
  },
  "luminance": 0.05419
}

Semantic roles & 50–950 ramp

primary

#2331A9

secondary

#C5BB63

accent

#D73FE9

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #2331A9

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

Preview Lab → · Contrast checker → · Palette generator →