#233D59#233D59

#233D59 is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.3% C 0.059 H 251.4°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#233D59
RGB	rgb(35, 61, 89)
HSL	hsl(211, 44%, 24%)
HSV	hsv(211, 61%, 35%)
CMYK	cmyk(60.7%, 31.5%, 0%, 65.1%)
CIE-LAB	lab(25.00, -0.46, -19.79)
CIE-LCH	lch(25.00, 19.80, 268.67°)
OKLab	oklab(35.29% -0.0187 -0.0556)
OKLCH	oklch(35.29% 0.059 251.4)
XYZ	xyz(4.1644, 4.4157, 10.0821)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233D59 #593F23

analogous

#235859 #233D59 #242359

triadic

#233D59 #59233D #3D5923

tetradic

#233D59 #592358 #593F23 #235924

square

#233D59 #592358 #593F23 #235924

split-complementary

#233D59 #592423 #585923

monochromatic

#090F16 #121F2D #233D59 #345B85 #4679B1

Accessibility & contrast

On white

11.15

#233D59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#233D59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233D59

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233D59	#FFFFFF	#000000	##FFFFFF
##233D59	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313E5A

Deuteranopia (green-blind)

#2A3958

Tritanopia (blue-blind)

#004347

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #233d59;
/* rgb */ color: rgb(35, 61, 89);
/* oklch */ color: oklch(35.3% 0.059 251.4);

Tailwind

colors: {
  custom: {
    50: '#637288',
    500: '#233d59',
    950: '#000000',
  },
}

SCSS

$custom: #233d59;
$custom-light: #637288;
$custom-dark: #000000;

JSON

{
  "hex": "#233d59",
  "rgb": {
    "r": 35,
    "g": 61,
    "b": 89
  },
  "hsl": {
    "h": 211.111,
    "s": 43.548,
    "l": 24.314
  },
  "oklch": {
    "l": 0.35292,
    "c": 0.0587,
    "h": 251.4
  },
  "luminance": 0.04416
}

Semantic roles & 50–950 ramp

primary

#233D59

secondary

#8D6D4B

accent

#9655D3

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05070B

muted

#7A7A7C

Preview Lab

Preview with #233D59

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

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