#232A57#232A57

#232A57 is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.5% C 0.081 H 274.0°. Best body text is #FFFFFF at 13.63:1 contrast (WCAG AA passes).

Color values

HEX	#232A57
RGB	rgb(35, 42, 87)
HSL	hsl(232, 43%, 24%)
HSV	hsv(232, 60%, 34%)
CMYK	cmyk(59.8%, 51.7%, 0%, 65.9%)
CIE-LAB	lab(18.80, 12.11, -28.28)
CIE-LCH	lch(18.80, 30.76, 293.19°)
OKLab	oklab(30.46% 0.0056 -0.0806)
OKLCH	oklch(30.46% 0.081 274)
XYZ	xyz(3.2408, 2.7011, 9.3656)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232A57 #575023

analogous

#234457 #232A57 #362357

triadic

#232A57 #57232A #2A5723

tetradic

#232A57 #572344 #575023 #235736

square

#232A57 #572344 #575023 #235736

split-complementary

#232A57 #573623 #445723

monochromatic

#090B16 #11152B #232A57 #353F83 #4654AE

Accessibility & contrast

On white

13.63

#232A57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#232A57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232A57

13.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232A57	#FFFFFF	#000000	##FFFFFF
##232A57	1.00	13.63	1.54	13.63
#FFFFFF	13.63	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153059

Deuteranopia (green-blind)

#0E2C56

Tritanopia (blue-blind)

#08343C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #232a57;
/* rgb */ color: rgb(35, 42, 87);
/* oklch */ color: oklch(30.5% 0.081 274.0);

Tailwind

colors: {
  custom: {
    50: '#636387',
    500: '#232a57',
    950: '#000000',
  },
}

SCSS

$custom: #232a57;
$custom-light: #636387;
$custom-dark: #000000;

JSON

{
  "hex": "#232a57",
  "rgb": {
    "r": 35,
    "g": 42,
    "b": 87
  },
  "hsl": {
    "h": 231.923,
    "s": 42.623,
    "l": 23.922
  },
  "oklch": {
    "l": 0.30463,
    "c": 0.08082,
    "h": 274
  },
  "luminance": 0.02701
}

Semantic roles & 50–950 ramp

primary

#232A57

secondary

#8B824B

accent

#C255D2

background

#F6F5F8

surface

#EBEAEF

border

#C6C6CA

text

#05050B

muted

#7A797C

Preview Lab

Preview with #232A57

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

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