#232F88#232F88

#232F88 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.8% C 0.148 H 270.8°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#232F88
RGB	rgb(35, 47, 136)
HSL	hsl(233, 59%, 34%)
HSV	hsv(233, 74%, 53%)
CMYK	cmyk(74.3%, 65.4%, 0%, 46.7%)
CIE-LAB	lab(24.22, 27.41, -51.08)
CIE-LCH	lch(24.22, 57.97, 298.21°)
OKLab	oklab(35.76% 0.0022 -0.1476)
OKLCH	oklch(35.76% 0.148 270.8)
XYZ	xyz(6.1521, 4.1673, 23.7679)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232F88 #887C23

analogous

#236188 #232F88 #492388

triadic

#232F88 #88232F #2F8823

tetradic

#232F88 #882361 #887C23 #238849

square

#232F88 #882361 #887C23 #238849

split-complementary

#232F88 #884923 #618823

monochromatic

#0A0D27 #161E57 #232F88 #3040B9 #5362D3

Accessibility & contrast

On white

11.45

#232F88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#232F88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232F88

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232F88	#FFFFFF	#000000	##FFFFFF
##232F88	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8B

Deuteranopia (green-blind)

#003586

Tritanopia (blue-blind)

#004657

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #232f88;
/* rgb */ color: rgb(35, 47, 136);
/* oklch */ color: oklch(35.8% 0.148 270.8);

Tailwind

colors: {
  custom: {
    50: '#6e67ac',
    500: '#232f88',
    950: '#000000',
  },
}

SCSS

$custom: #232f88;
$custom-light: #6e67ac;
$custom-dark: #000000;

JSON

{
  "hex": "#232f88",
  "rgb": {
    "r": 35,
    "g": 47,
    "b": 136
  },
  "hsl": {
    "h": 232.871,
    "s": 59.064,
    "l": 33.529
  },
  "oklch": {
    "l": 0.35761,
    "c": 0.14761,
    "h": 270.8
  },
  "luminance": 0.04168
}

Semantic roles & 50–950 ramp

primary

#232F88

secondary

#B7AA50

accent

#D046E2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #232F88

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

Preview Lab → · Contrast checker → · Palette generator →