#232F53#232F53

#232F53 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.4% C 0.067 H 268.5°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#232F53
RGB	rgb(35, 47, 83)
HSL	hsl(225, 41%, 23%)
HSV	hsv(225, 58%, 33%)
CMYK	cmyk(57.8%, 43.4%, 0%, 67.5%)
CIE-LAB	lab(20.10, 7.01, -23.54)
CIE-LCH	lch(20.10, 24.56, 286.59°)
OKLab	oklab(31.37% -0.0018 -0.0667)
OKLCH	oklch(31.37% 0.067 268.5)
XYZ	xyz(3.2705, 3.0147, 8.5915)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232F53 #534723

analogous

#234753 #232F53 #2F2353

triadic

#232F53 #53232F #2F5323

tetradic

#232F53 #532347 #534723 #23532F

square

#232F53 #532347 #534723 #23532F

split-complementary

#232F53 #532F23 #475323

monochromatic

#090C16 #111728 #232F53 #35477E #4760A9

Accessibility & contrast

On white

13.10

#232F53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#232F53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232F53

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232F53	#FFFFFF	#000000	##FFFFFF
##232F53	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203354

Deuteranopia (green-blind)

#1B2F52

Tritanopia (blue-blind)

#0B373D

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #232f53;
/* rgb */ color: rgb(35, 47, 83);
/* oklch */ color: oklch(31.4% 0.067 268.5);

Tailwind

colors: {
  custom: {
    50: '#626783',
    500: '#232f53',
    950: '#000000',
  },
}

SCSS

$custom: #232f53;
$custom-light: #626783;
$custom-dark: #000000;

JSON

{
  "hex": "#232f53",
  "rgb": {
    "r": 35,
    "g": 47,
    "b": 83
  },
  "hsl": {
    "h": 225,
    "s": 40.678,
    "l": 23.137
  },
  "oklch": {
    "l": 0.3137,
    "c": 0.0667,
    "h": 268.5
  },
  "luminance": 0.03015
}

Semantic roles & 50–950 ramp

primary

#232F53

secondary

#87784B

accent

#B257D1

background

#F5F6F8

surface

#EAEBEF

border

#C6C6CA

text

#05060A

muted

#797A7C

Preview Lab

Preview with #232F53

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

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