#233F4E#233F4E

#233F4E is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.2% C 0.043 H 233.2°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#233F4E
RGB	rgb(35, 63, 78)
HSL	hsl(201, 38%, 22%)
HSV	hsv(201, 55%, 31%)
CMYK	cmyk(55.1%, 19.2%, 0%, 69.4%)
CIE-LAB	lab(25.14, -5.70, -12.36)
CIE-LCH	lch(25.14, 13.61, 245.24°)
OKLab	oklab(35.23% -0.0256 -0.0343)
OKLCH	oklch(35.23% 0.043 233.2)
XYZ	xyz(3.8453, 4.4621, 7.8649)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233F4E #4E3223

analogous

#234E48 #233F4E #232A4E

triadic

#233F4E #4E233F #3F4E23

tetradic

#233F4E #48234E #4E3223 #2A4E23

square

#233F4E #48234E #4E3223 #2A4E23

split-complementary

#233F4E #4E232A #4E4823

monochromatic

#091115 #101D24 #233F4E #366178 #4983A2

Accessibility & contrast

On white

11.10

#233F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#233F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233F4E

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233F4E	#FFFFFF	#000000	##FFFFFF
##233F4E	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383E4F

Deuteranopia (green-blind)

#323A4E

Tritanopia (blue-blind)

#0C4344

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #233f4e;
/* rgb */ color: rgb(35, 63, 78);
/* oklch */ color: oklch(35.2% 0.043 233.2);

Tailwind

colors: {
  custom: {
    50: '#61747f',
    500: '#233f4e',
    950: '#000000',
  },
}

SCSS

$custom: #233f4e;
$custom-light: #61747f;
$custom-dark: #000000;

JSON

{
  "hex": "#233f4e",
  "rgb": {
    "r": 35,
    "g": 63,
    "b": 78
  },
  "hsl": {
    "h": 200.93,
    "s": 38.053,
    "l": 22.157
  },
  "oklch": {
    "l": 0.35231,
    "c": 0.04284,
    "h": 233.2
  },
  "luminance": 0.04462
}

Semantic roles & 50–950 ramp

primary

#233F4E

secondary

#825E4B

accent

#825ACE

background

#F5F7F7

surface

#EAEDEE

border

#C6C8C9

text

#05080A

muted

#797B7C

Preview Lab

Preview with #233F4E

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

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