#232A8B#232A8B

#232A8B is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.1% C 0.158 H 271.9°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#232A8B
RGB	rgb(35, 42, 139)
HSL	hsl(236, 60%, 34%)
HSV	hsv(236, 75%, 55%)
CMYK	cmyk(74.8%, 69.8%, 0%, 45.5%)
CIE-LAB	lab(23.26, 31.83, -54.52)
CIE-LCH	lch(23.26, 63.14, 300.28°)
OKLab	oklab(35.15% 0.0053 -0.1577)
OKLCH	oklch(35.15% 0.158 271.9)
XYZ	xyz(6.1797, 3.8767, 24.8437)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232A8B #8B8423

analogous

#235E8B #232A8B #50238B

triadic

#232A8B #8B232A #2A8B23

tetradic

#232A8B #8B235E #8B8423 #238B50

square

#232A8B #8B235E #8B8423 #238B50

split-complementary

#232A8B #8B5023 #5E8B23

monochromatic

#0A0C29 #171B5A #232A8B #2F39BC #545DD4

Accessibility & contrast

On white

11.83

#232A8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#232A8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232A8B

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232A8B	#FFFFFF	#000000	##FFFFFF
##232A8B	1.00	11.83	1.78	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8E

Deuteranopia (green-blind)

#003389

Tritanopia (blue-blind)

#004457

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #232a8b;
/* rgb */ color: rgb(35, 42, 139);
/* oklch */ color: oklch(35.1% 0.158 271.9);

Tailwind

colors: {
  custom: {
    50: '#6f64ae',
    500: '#232a8b',
    950: '#000000',
  },
}

SCSS

$custom: #232a8b;
$custom-light: #6f64ae;
$custom-dark: #000000;

JSON

{
  "hex": "#232a8b",
  "rgb": {
    "r": 35,
    "g": 42,
    "b": 139
  },
  "hsl": {
    "h": 235.962,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.3515,
    "c": 0.15778,
    "h": 271.9
  },
  "luminance": 0.03877
}

Semantic roles & 50–950 ramp

primary

#232A8B

secondary

#B8B152

accent

#D845E3

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #232A8B

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

Preview Lab → · Contrast checker → · Palette generator →