#232B63#232B63

#232B63 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.6% C 0.099 H 273.3°. Best body text is #FFFFFF at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#232B63
RGB	rgb(35, 43, 99)
HSL	hsl(233, 48%, 26%)
HSV	hsv(233, 65%, 39%)
CMYK	cmyk(64.6%, 56.6%, 0%, 61.2%)
CIE-LAB	lab(19.99, 15.98, -34.31)
CIE-LCH	lch(19.99, 37.85, 294.97°)
OKLab	oklab(31.64% 0.0057 -0.0984)
OKLCH	oklch(31.64% 0.099 273.3)
XYZ	xyz(3.8084, 2.9856, 12.1776)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232B63 #635B23

analogous

#234B63 #232B63 #3B2363

triadic

#232B63 #63232B #2B6323

tetradic

#232B63 #63234B #635B23 #23633B

square

#232B63 #63234B #635B23 #23633B

split-complementary

#232B63 #633B23 #4B6323

monochromatic

#080A17 #131736 #232B63 #333F90 #4453BD

Accessibility & contrast

On white

13.15

#232B63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#232B63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232B63

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232B63	#FFFFFF	#000000	##FFFFFF
##232B63	1.00	13.15	1.60	13.15
#FFFFFF	13.15	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#083365

Deuteranopia (green-blind)

#002E62

Tritanopia (blue-blind)

#003842

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #232b63;
/* rgb */ color: rgb(35, 43, 99);
/* oklch */ color: oklch(31.6% 0.099 273.3);

Tailwind

colors: {
  custom: {
    50: '#656490',
    500: '#232b63',
    950: '#000000',
  },
}

SCSS

$custom: #232b63;
$custom-light: #656490;
$custom-dark: #000000;

JSON

{
  "hex": "#232b63",
  "rgb": {
    "r": 35,
    "g": 43,
    "b": 99
  },
  "hsl": {
    "h": 232.5,
    "s": 47.761,
    "l": 26.275
  },
  "oklch": {
    "l": 0.31638,
    "c": 0.09854,
    "h": 273.3
  },
  "luminance": 0.02986
}

Semantic roles & 50–950 ramp

primary

#232B63

secondary

#978D4B

accent

#C650D7

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#06050C

muted

#7A797D

Preview Lab

Preview with #232B63

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

Preview Lab → · Contrast checker → · Palette generator →