#233E58#233E58

#233E58 is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.5% C 0.056 H 248.8°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#233E58
RGB	rgb(35, 62, 88)
HSL	hsl(209, 43%, 24%)
HSV	hsv(209, 60%, 35%)
CMYK	cmyk(60.2%, 29.5%, 0%, 65.5%)
CIE-LAB	lab(25.28, -1.49, -18.70)
CIE-LCH	lch(25.28, 18.76, 265.43°)
OKLab	oklab(35.49% -0.0203 -0.0525)
OKLCH	oklch(35.49% 0.056 248.8)
XYZ	xyz(4.1766, 4.5068, 9.8804)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E58 #583D23

analogous

#235858 #233E58 #232458

triadic

#233E58 #58233E #3E5823

tetradic

#233E58 #582358 #583D23 #245823

square

#233E58 #582358 #583D23 #245823

split-complementary

#233E58 #582324 #585823

monochromatic

#090F16 #121F2C #233E58 #345D84 #467CB0

Accessibility & contrast

On white

11.04

#233E58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#233E58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E58

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E58	#FFFFFF	#000000	##FFFFFF
##233E58	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333F59

Deuteranopia (green-blind)

#2C3A57

Tritanopia (blue-blind)

#004447

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #233e58;
/* rgb */ color: rgb(35, 62, 88);
/* oklch */ color: oklch(35.5% 0.056 248.8);

Tailwind

colors: {
  custom: {
    50: '#637387',
    500: '#233e58',
    950: '#000000',
  },
}

SCSS

$custom: #233e58;
$custom-light: #637387;
$custom-dark: #000000;

JSON

{
  "hex": "#233e58",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 88
  },
  "hsl": {
    "h": 209.434,
    "s": 43.089,
    "l": 24.118
  },
  "oklch": {
    "l": 0.35495,
    "c": 0.0563,
    "h": 248.8
  },
  "luminance": 0.04507
}

Semantic roles & 50–950 ramp

primary

#233E58

secondary

#8C6B4B

accent

#9355D3

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05080B

muted

#7A7B7C

Preview Lab

Preview with #233E58

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

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