#232F99#232F99

#232F99 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.4% C 0.171 H 270.3°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#232F99
RGB	rgb(35, 47, 153)
HSL	hsl(234, 63%, 37%)
HSV	hsv(234, 77%, 60%)
CMYK	cmyk(77.1%, 69.3%, 0%, 40%)
CIE-LAB	lab(25.83, 33.75, -58.94)
CIE-LCH	lch(25.83, 67.92, 299.79°)
OKLab	oklab(37.43% 0.0009 -0.1706)
OKLCH	oklch(37.43% 0.171 270.3)
XYZ	xyz(7.4575, 4.6895, 30.6429)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232F99 #998D23

analogous

#236A99 #232F99 #522399

triadic

#232F99 #99232F #2F9923

tetradic

#232F99 #99236A #998D23 #239952

square

#232F99 #99236A #998D23 #239952

split-complementary

#232F99 #995223 #6A9923

monochromatic

#0C1035 #182067 #232F99 #2E3ECB #5D69DA

Accessibility & contrast

On white

10.84

#232F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#232F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232F99

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232F99	#FFFFFF	#000000	##FFFFFF
##232F99	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439C

Deuteranopia (green-blind)

#003897

Tritanopia (blue-blind)

#004C60

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #232f99;
/* rgb */ color: rgb(35, 47, 153);
/* oklch */ color: oklch(37.4% 0.171 270.3);

Tailwind

colors: {
  custom: {
    50: '#7268b8',
    500: '#232f99',
    950: '#000000',
  },
}

SCSS

$custom: #232f99;
$custom-light: #7268b8;
$custom-dark: #000000;

JSON

{
  "hex": "#232f99",
  "rgb": {
    "r": 35,
    "g": 47,
    "b": 153
  },
  "hsl": {
    "h": 233.898,
    "s": 62.766,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37432,
    "c": 0.17058,
    "h": 270.3
  },
  "luminance": 0.0469
}

Semantic roles & 50–950 ramp

primary

#232F99

secondary

#BEB459

accent

#D542E6

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #232F99

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

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