#232B5A#232B5A

#232B5A is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.9% C 0.084 H 273.2°. Best body text is #FFFFFF at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#232B5A
RGB	rgb(35, 43, 90)
HSL	hsl(231, 44%, 25%)
HSV	hsv(231, 61%, 35%)
CMYK	cmyk(61.1%, 52.2%, 0%, 64.7%)
CIE-LAB	lab(19.32, 12.53, -29.45)
CIE-LCH	lch(19.32, 32.00, 293.06°)
OKLab	oklab(30.92% 0.0048 -0.0841)
OKLCH	oklch(30.92% 0.084 273.2)
XYZ	xyz(3.4019, 2.8230, 10.0365)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232B5A #5A5223

analogous

#23475A #232B5A #37235A

triadic

#232B5A #5A232B #2B5A23

tetradic

#232B5A #5A2347 #5A5223 #235A37

square

#232B5A #5A2347 #5A5223 #235A37

split-complementary

#232B5A #5A3723 #475A23

monochromatic

#090B16 #12162E #232B5A #344086 #4555B2

Accessibility & contrast

On white

13.42

#232B5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#232B5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232B5A

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232B5A	#FFFFFF	#000000	##FFFFFF
##232B5A	1.00	13.42	1.56	13.42
#FFFFFF	13.42	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14315C

Deuteranopia (green-blind)

#0C2D59

Tritanopia (blue-blind)

#03363E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #232b5a;
/* rgb */ color: rgb(35, 43, 90);
/* oklch */ color: oklch(30.9% 0.084 273.2);

Tailwind

colors: {
  custom: {
    50: '#636489',
    500: '#232b5a',
    950: '#000000',
  },
}

SCSS

$custom: #232b5a;
$custom-light: #636489;
$custom-dark: #000000;

JSON

{
  "hex": "#232b5a",
  "rgb": {
    "r": 35,
    "g": 43,
    "b": 90
  },
  "hsl": {
    "h": 231.273,
    "s": 44,
    "l": 24.51
  },
  "oklch": {
    "l": 0.30922,
    "c": 0.08419,
    "h": 273.2
  },
  "luminance": 0.02823
}

Semantic roles & 50–950 ramp

primary

#232B5A

secondary

#8E844B

accent

#C154D4

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#06050B

muted

#7A797C

Preview Lab

Preview with #232B5A

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

Preview Lab → · Contrast checker → · Palette generator →