#233D56#233D56

#233D56 is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.1% C 0.054 H 248.7°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#233D56
RGB	rgb(35, 61, 86)
HSL	hsl(209, 42%, 24%)
HSV	hsv(209, 59%, 34%)
CMYK	cmyk(59.3%, 29.1%, 0%, 66.3%)
CIE-LAB	lab(24.85, -1.56, -18.07)
CIE-LCH	lch(24.85, 18.13, 265.07°)
OKLab	oklab(35.12% -0.0197 -0.0507)
OKLCH	oklch(35.12% 0.054 248.7)
XYZ	xyz(4.0410, 4.3664, 9.4321)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233D56 #563C23

analogous

#235655 #233D56 #232356

triadic

#233D56 #56233D #3D5623

tetradic

#233D56 #552356 #563C23 #235623

square

#233D56 #552356 #563C23 #235623

split-complementary

#233D56 #562323 #565523

monochromatic

#090F16 #111E2B #233D56 #355C81 #467BAD

Accessibility & contrast

On white

11.21

#233D56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#233D56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233D56

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233D56	#FFFFFF	#000000	##FFFFFF
##233D56	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333E57

Deuteranopia (green-blind)

#2C3956

Tritanopia (blue-blind)

#034346

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #233d56;
/* rgb */ color: rgb(35, 61, 86);
/* oklch */ color: oklch(35.1% 0.054 248.7);

Tailwind

colors: {
  custom: {
    50: '#627285',
    500: '#233d56',
    950: '#000000',
  },
}

SCSS

$custom: #233d56;
$custom-light: #627285;
$custom-dark: #000000;

JSON

{
  "hex": "#233d56",
  "rgb": {
    "r": 35,
    "g": 61,
    "b": 86
  },
  "hsl": {
    "h": 209.412,
    "s": 42.149,
    "l": 23.725
  },
  "oklch": {
    "l": 0.35121,
    "c": 0.05438,
    "h": 248.7
  },
  "luminance": 0.04367
}

Semantic roles & 50–950 ramp

primary

#233D56

secondary

#8A6A4B

accent

#9356D2

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05070B

muted

#7A7A7C

Preview Lab

Preview with #233D56

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

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