#2331A5#2331A5

#2331A5 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.0% C 0.184 H 269.6°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#2331A5
RGB	rgb(35, 49, 165)
HSL	hsl(234, 65%, 39%)
HSV	hsv(234, 79%, 65%)
CMYK	cmyk(78.8%, 70.3%, 0%, 35.3%)
CIE-LAB	lab(27.49, 36.85, -63.51)
CIE-LCH	lch(27.49, 73.43, 300.12°)
OKLab	oklab(38.99% -0.0014 -0.1839)
OKLCH	oklch(38.99% 0.184 269.6)
XYZ	xyz(8.5806, 5.2696, 36.1549)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2331A5 #A59723

analogous

#2372A5 #2331A5 #5623A5

triadic

#2331A5 #A52331 #31A523

tetradic

#2331A5 #A52372 #A59723 #23A556

square

#2331A5 #A52372 #A59723 #23A556

split-complementary

#2331A5 #A55623 #72A523

monochromatic

#0E1340 #182273 #2331A5 #3243D3 #6471DE

Accessibility & contrast

On white

10.22

#2331A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2331A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2331A5

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2331A5	#FFFFFF	#000000	##FFFFFF
##2331A5	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A9

Deuteranopia (green-blind)

#003BA3

Tritanopia (blue-blind)

#005167

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2331a5;
/* rgb */ color: rgb(35, 49, 165);
/* oklch */ color: oklch(39.0% 0.184 269.6);

Tailwind

colors: {
  custom: {
    50: '#7569c1',
    500: '#2331a5',
    950: '#000000',
  },
}

SCSS

$custom: #2331a5;
$custom-light: #7569c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2331a5",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 165
  },
  "hsl": {
    "h": 233.538,
    "s": 65,
    "l": 39.216
  },
  "oklch": {
    "l": 0.38993,
    "c": 0.18393,
    "h": 269.6
  },
  "luminance": 0.05271
}

Semantic roles & 50–950 ramp

primary

#2331A5

secondary

#C4B960

accent

#D640E8

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2331A5

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

Preview Lab → · Contrast checker → · Palette generator →