#233A58#233A58

#233A58 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.5% C 0.060 H 255.6°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#233A58
RGB	rgb(35, 58, 88)
HSL	hsl(214, 43%, 24%)
HSV	hsv(214, 60%, 35%)
CMYK	cmyk(60.2%, 34.1%, 0%, 65.5%)
CIE-LAB	lab(23.96, 1.20, -20.77)
CIE-LCH	lch(23.96, 20.80, 273.31°)
OKLab	oklab(34.46% -0.0151 -0.0585)
OKLCH	oklch(34.46% 0.06 255.6)
XYZ	xyz(3.9670, 4.0877, 9.8106)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233A58 #584123

analogous

#235558 #233A58 #272358

triadic

#233A58 #58233A #3A5823

tetradic

#233A58 #582355 #584123 #235827

square

#233A58 #582355 #584123 #235827

split-complementary

#233A58 #582723 #555823

monochromatic

#090E16 #121D2C #233A58 #345784 #4674B0

Accessibility & contrast

On white

11.55

#233A58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#233A58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A58

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233A58	#FFFFFF	#000000	##FFFFFF
##233A58	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3C59

Deuteranopia (green-blind)

#273757

Tritanopia (blue-blind)

#014145

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #233a58;
/* rgb */ color: rgb(35, 58, 88);
/* oklch */ color: oklch(34.5% 0.060 255.6);

Tailwind

colors: {
  custom: {
    50: '#636f87',
    500: '#233a58',
    950: '#000000',
  },
}

SCSS

$custom: #233a58;
$custom-light: #636f87;
$custom-dark: #000000;

JSON

{
  "hex": "#233a58",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 88
  },
  "hsl": {
    "h": 213.962,
    "s": 43.089,
    "l": 24.118
  },
  "oklch": {
    "l": 0.34459,
    "c": 0.06042,
    "h": 255.6
  },
  "luminance": 0.04088
}

Semantic roles & 50–950 ramp

primary

#233A58

secondary

#8C704B

accent

#9C55D3

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05070B

muted

#7A7A7C

Preview Lab

Preview with #233A58

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

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