#233F52#233F52

#233F52 is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.4% C 0.048 H 239.7°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#233F52
RGB	rgb(35, 63, 82)
HSL	hsl(204, 40%, 23%)
HSV	hsv(204, 57%, 32%)
CMYK	cmyk(57.3%, 23.2%, 0%, 67.8%)
CIE-LAB	lab(25.32, -4.31, -14.71)
CIE-LCH	lch(25.32, 15.32, 253.68°)
OKLab	oklab(35.43% -0.024 -0.041)
OKLCH	oklch(35.43% 0.048 239.7)
XYZ	xyz(3.9931, 4.5212, 8.6433)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233F52 #523623

analogous

#23524D #233F52 #232752

triadic

#233F52 #52233F #3F5223

tetradic

#233F52 #4D2352 #523623 #275223

square

#233F52 #4D2352 #523623 #275223

split-complementary

#233F52 #522327 #524D23

monochromatic

#091015 #111E27 #233F52 #35607D #4881A8

Accessibility & contrast

On white

11.03

#233F52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#233F52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233F52

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233F52	#FFFFFF	#000000	##FFFFFF
##233F52	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373F53

Deuteranopia (green-blind)

#303A52

Tritanopia (blue-blind)

#074445

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #233f52;
/* rgb */ color: rgb(35, 63, 82);
/* oklch */ color: oklch(35.4% 0.048 239.7);

Tailwind

colors: {
  custom: {
    50: '#627482',
    500: '#233f52',
    950: '#000000',
  },
}

SCSS

$custom: #233f52;
$custom-light: #627482;
$custom-dark: #000000;

JSON

{
  "hex": "#233f52",
  "rgb": {
    "r": 35,
    "g": 63,
    "b": 82
  },
  "hsl": {
    "h": 204.255,
    "s": 40.171,
    "l": 22.941
  },
  "oklch": {
    "l": 0.35434,
    "c": 0.04751,
    "h": 239.7
  },
  "luminance": 0.04522
}

Semantic roles & 50–950 ramp

primary

#233F52

secondary

#86634B

accent

#8858D0

background

#F5F7F7

surface

#EAEDEE

border

#C6C8C9

text

#05080A

muted

#797B7C

Preview Lab

Preview with #233F52

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

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