#233E57#233E57

#233E57 is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.4% C 0.055 H 247.8°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#233E57
RGB	rgb(35, 62, 87)
HSL	hsl(209, 43%, 24%)
HSV	hsv(209, 60%, 34%)
CMYK	cmyk(59.8%, 28.7%, 0%, 65.9%)
CIE-LAB	lab(25.23, -1.86, -18.13)
CIE-LCH	lch(25.23, 18.22, 264.15°)
OKLab	oklab(35.44% -0.0207 -0.0508)
OKLCH	oklch(35.44% 0.055 247.8)
XYZ	xyz(4.1354, 4.4903, 9.6638)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E57 #573C23

analogous

#235756 #233E57 #232457

triadic

#233E57 #57233E #3E5723

tetradic

#233E57 #562357 #573C23 #245723

square

#233E57 #562357 #573C23 #245723

split-complementary

#233E57 #572324 #575623

monochromatic

#091016 #111F2B #233E57 #355D83 #467CAE

Accessibility & contrast

On white

11.06

#233E57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#233E57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E57

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E57	#FFFFFF	#000000	##FFFFFF
##233E57	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343F58

Deuteranopia (green-blind)

#2D3A57

Tritanopia (blue-blind)

#014447

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #233e57;
/* rgb */ color: rgb(35, 62, 87);
/* oklch */ color: oklch(35.4% 0.055 247.8);

Tailwind

colors: {
  custom: {
    50: '#627386',
    500: '#233e57',
    950: '#000000',
  },
}

SCSS

$custom: #233e57;
$custom-light: #627386;
$custom-dark: #000000;

JSON

{
  "hex": "#233e57",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 87
  },
  "hsl": {
    "h": 208.846,
    "s": 42.623,
    "l": 23.922
  },
  "oklch": {
    "l": 0.35439,
    "c": 0.05489,
    "h": 247.8
  },
  "luminance": 0.04491
}

Semantic roles & 50–950 ramp

primary

#233E57

secondary

#8B6A4B

accent

#9155D2

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05080B

muted

#7A7B7C

Preview Lab

Preview with #233E57

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

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