#232A5B#232A5B

#232A5B is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.8% C 0.087 H 274.0°. Best body text is #FFFFFF at 13.52:1 contrast (WCAG AA passes).

Color values

HEX	#232A5B
RGB	rgb(35, 42, 91)
HSL	hsl(233, 44%, 25%)
HSV	hsv(233, 62%, 36%)
CMYK	cmyk(61.5%, 53.8%, 0%, 64.3%)
CIE-LAB	lab(19.09, 13.63, -30.48)
CIE-LCH	lch(19.09, 33.39, 294.10°)
OKLab	oklab(30.77% 0.0061 -0.0871)
OKLCH	oklch(30.77% 0.087 274)
XYZ	xyz(3.4088, 2.7683, 10.2502)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232A5B #5B5423

analogous

#23465B #232A5B #38235B

triadic

#232A5B #5B232A #2A5B23

tetradic

#232A5B #5B2346 #5B5423 #235B38

square

#232A5B #5B2346 #5B5423 #235B38

split-complementary

#232A5B #5B3823 #465B23

monochromatic

#090A16 #12162F #232A5B #343E87 #4553B3

Accessibility & contrast

On white

13.52

#232A5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#232A5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232A5B

13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232A5B	#FFFFFF	#000000	##FFFFFF
##232A5B	1.00	13.52	1.55	13.52
#FFFFFF	13.52	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11315D

Deuteranopia (green-blind)

#072C5A

Tritanopia (blue-blind)

#02353E

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #232a5b;
/* rgb */ color: rgb(35, 42, 91);
/* oklch */ color: oklch(30.8% 0.087 274.0);

Tailwind

colors: {
  custom: {
    50: '#64638a',
    500: '#232a5b',
    950: '#000000',
  },
}

SCSS

$custom: #232a5b;
$custom-light: #64638a;
$custom-dark: #000000;

JSON

{
  "hex": "#232a5b",
  "rgb": {
    "r": 35,
    "g": 42,
    "b": 91
  },
  "hsl": {
    "h": 232.5,
    "s": 44.444,
    "l": 24.706
  },
  "oklch": {
    "l": 0.30772,
    "c": 0.08732,
    "h": 274
  },
  "luminance": 0.02769
}

Semantic roles & 50–950 ramp

primary

#232A5B

secondary

#8F864B

accent

#C454D4

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#06050B

muted

#7A797C

Preview Lab

Preview with #232A5B

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

Preview Lab → · Contrast checker → · Palette generator →