#232B66#232B66

#232B66 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.9% C 0.103 H 273.3°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#232B66
RGB	rgb(35, 43, 102)
HSL	hsl(233, 49%, 27%)
HSV	hsv(233, 66%, 40%)
CMYK	cmyk(65.7%, 57.8%, 0%, 60%)
CIE-LAB	lab(20.22, 17.14, -35.90)
CIE-LCH	lch(20.22, 39.78, 295.52°)
OKLab	oklab(31.89% 0.0059 -0.103)
OKLCH	oklch(31.89% 0.103 273.3)
XYZ	xyz(3.9545, 3.0441, 12.9470)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232B66 #665E23

analogous

#234D66 #232B66 #3D2366

triadic

#232B66 #66232B #2B6623

tetradic

#232B66 #66234D #665E23 #23663D

square

#232B66 #66234D #665E23 #23663D

split-complementary

#232B66 #663D23 #4D6623

monochromatic

#080A17 #131838 #232B66 #333E94 #4453BF

Accessibility & contrast

On white

13.05

#232B66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#232B66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232B66

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232B66	#FFFFFF	#000000	##FFFFFF
##232B66	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#033468

Deuteranopia (green-blind)

#002E65

Tritanopia (blue-blind)

#003944

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #232b66;
/* rgb */ color: rgb(35, 43, 102);
/* oklch */ color: oklch(31.9% 0.103 273.3);

Tailwind

colors: {
  custom: {
    50: '#666492',
    500: '#232b66',
    950: '#000000',
  },
}

SCSS

$custom: #232b66;
$custom-light: #666492;
$custom-dark: #000000;

JSON

{
  "hex": "#232b66",
  "rgb": {
    "r": 35,
    "g": 43,
    "b": 102
  },
  "hsl": {
    "h": 232.836,
    "s": 48.905,
    "l": 26.863
  },
  "oklch": {
    "l": 0.31887,
    "c": 0.10321,
    "h": 273.3
  },
  "luminance": 0.03044
}

Semantic roles & 50–950 ramp

primary

#232B66

secondary

#9A904B

accent

#C84FD8

background

#F6F5F9

surface

#EBEAF1

border

#C6C6CB

text

#06050D

muted

#7A797E

Preview Lab

Preview with #232B66

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

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