#2331BC#2331BC

#2331BC is a dark, highly saturated blue. Relative luminance 0.062; OKLCH L 41.4% C 0.213 H 268.9°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#2331BC
RGB	rgb(35, 49, 188)
HSL	hsl(235, 69%, 44%)
HSV	hsv(235, 81%, 74%)
CMYK	cmyk(81.4%, 73.9%, 0%, 26.3%)
CIE-LAB	lab(29.87, 44.95, -73.33)
CIE-LCH	lch(29.87, 86.00, 301.51°)
OKLab	oklab(41.41% -0.0042 -0.2125)
OKLCH	oklch(41.41% 0.213 268.9)
XYZ	xyz(10.8654, 6.1835, 48.1881)
Luminance	0.0619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2331BC #BCAE23

analogous

#237DBC #2331BC #6123BC

triadic

#2331BC #BC2331 #31BC23

tetradic

#2331BC #BC237D #BCAE23 #23BC61

square

#2331BC #BC237D #BCAE23 #23BC61

split-complementary

#2331BC #BC6123 #7DBC23

monochromatic

#101655 #192488 #2331BC #414FDC #747FE5

Accessibility & contrast

On white

9.39

#2331BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2331BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2331BC

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2331BC	#FFFFFF	#000000	##FFFFFF
##2331BC	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EC0

Deuteranopia (green-blind)

#003FBA

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2331bc;
/* rgb */ color: rgb(35, 49, 188);
/* oklch */ color: oklch(41.4% 0.213 268.9);

Tailwind

colors: {
  custom: {
    50: '#7b6ad2',
    500: '#2331bc',
    950: '#000000',
  },
}

SCSS

$custom: #2331bc;
$custom-light: #7b6ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#2331bc",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 188
  },
  "hsl": {
    "h": 234.51,
    "s": 68.61,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41412,
    "c": 0.21251,
    "h": 268.9
  },
  "luminance": 0.06185
}

Semantic roles & 50–950 ramp

primary

#2331BC

secondary

#CCC46F

accent

#DB3CEB

background

#F8F6FD

surface

#EFEBFA

border

#CAC6D3

text

#0B0614

muted

#7C7A83

Preview Lab

Preview with #2331BC

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

Preview Lab → · Contrast checker → · Palette generator →