#232B9B#232B9B

#232B9B is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.0% C 0.178 H 270.9°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#232B9B
RGB	rgb(35, 43, 155)
HSL	hsl(236, 63%, 37%)
HSV	hsv(236, 77%, 61%)
CMYK	cmyk(77.4%, 72.3%, 0%, 39.2%)
CIE-LAB	lab(25.11, 36.99, -61.36)
CIE-LCH	lch(25.11, 71.64, 301.09°)
OKLab	oklab(36.97% 0.0027 -0.1776)
OKLCH	oklch(36.97% 0.178 270.9)
XYZ	xyz(7.4714, 4.4508, 31.4693)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232B9B #9B9323

analogous

#23679B #232B9B #57239B

triadic

#232B9B #9B232B #2B9B23

tetradic

#232B9B #9B2367 #9B9323 #239B57

square

#232B9B #9B2367 #9B9323 #239B57

split-complementary

#232B9B #9B5723 #679B23

monochromatic

#0C0F37 #181D69 #232B9B #2E39CD #5E66DB

Accessibility & contrast

On white

11.11

#232B9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#232B9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232B9B

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232B9B	#FFFFFF	#000000	##FFFFFF
##232B9B	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419E

Deuteranopia (green-blind)

#003699

Tritanopia (blue-blind)

#004B60

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #232b9b;
/* rgb */ color: rgb(35, 43, 155);
/* oklch */ color: oklch(37.0% 0.178 270.9);

Tailwind

colors: {
  custom: {
    50: '#7365ba',
    500: '#232b9b',
    950: '#000000',
  },
}

SCSS

$custom: #232b9b;
$custom-light: #7365ba;
$custom-dark: #000000;

JSON

{
  "hex": "#232b9b",
  "rgb": {
    "r": 35,
    "g": 43,
    "b": 155
  },
  "hsl": {
    "h": 236,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.36972,
    "c": 0.17764,
    "h": 270.9
  },
  "luminance": 0.04452
}

Semantic roles & 50–950 ramp

primary

#232B9B

secondary

#BFB95A

accent

#DB42E6

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090512

muted

#7B7A81

Preview Lab

Preview with #232B9B

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

Preview Lab → · Contrast checker → · Palette generator →