#233C4E#233C4E

#233C4E is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.4% C 0.044 H 241.0°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#233C4E
RGB	rgb(35, 60, 78)
HSL	hsl(205, 38%, 22%)
HSV	hsv(205, 55%, 31%)
CMYK	cmyk(55.1%, 23.1%, 0%, 69.4%)
CIE-LAB	lab(24.13, -3.75, -13.92)
CIE-LCH	lch(24.13, 14.42, 254.94°)
OKLab	oklab(34.42% -0.0215 -0.0388)
OKLCH	oklch(34.42% 0.044 241)
XYZ	xyz(3.6837, 4.1388, 7.8110)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233C4E #4E3523

analogous

#234E4B #233C4E #23274E

triadic

#233C4E #4E233C #3C4E23

tetradic

#233C4E #4B234E #4E3523 #274E23

square

#233C4E #4B234E #4E3523 #274E23

split-complementary

#233C4E #4E2327 #4E4B23

monochromatic

#091015 #101C24 #233C4E #365C78 #497DA2

Accessibility & contrast

On white

11.49

#233C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#233C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233C4E

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233C4E	#FFFFFF	#000000	##FFFFFF
##233C4E	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343C4F

Deuteranopia (green-blind)

#2E374E

Tritanopia (blue-blind)

#0D4042

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #233c4e;
/* rgb */ color: rgb(35, 60, 78);
/* oklch */ color: oklch(34.4% 0.044 241.0);

Tailwind

colors: {
  custom: {
    50: '#61717f',
    500: '#233c4e',
    950: '#000000',
  },
}

SCSS

$custom: #233c4e;
$custom-light: #61717f;
$custom-dark: #000000;

JSON

{
  "hex": "#233c4e",
  "rgb": {
    "r": 35,
    "g": 60,
    "b": 78
  },
  "hsl": {
    "h": 205.116,
    "s": 38.053,
    "l": 22.157
  },
  "oklch": {
    "l": 0.34424,
    "c": 0.04432,
    "h": 241
  },
  "luminance": 0.04139
}

Semantic roles & 50–950 ramp

primary

#233C4E

secondary

#82624B

accent

#8A5ACE

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05070A

muted

#797A7C

Preview Lab

Preview with #233C4E

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

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