#233E50#233E50

#233E50 is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.1% C 0.046 H 239.1°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#233E50
RGB	rgb(35, 62, 80)
HSL	hsl(204, 39%, 23%)
HSV	hsv(204, 56%, 31%)
CMYK	cmyk(56.3%, 22.5%, 0%, 68.6%)
CIE-LAB	lab(24.89, -4.36, -14.05)
CIE-LCH	lch(24.89, 14.71, 252.77°)
OKLab	oklab(35.06% -0.0234 -0.0391)
OKLCH	oklch(35.06% 0.046 239.1)
XYZ	xyz(3.8632, 4.3815, 8.2300)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E50 #503523

analogous

#23504B #233E50 #232850

triadic

#233E50 #50233E #3E5023

tetradic

#233E50 #4B2350 #503523 #285023

square

#233E50 #4B2350 #503523 #285023

split-complementary

#233E50 #502328 #504B23

monochromatic

#091015 #101D25 #233E50 #365F7B #4880A5

Accessibility & contrast

On white

11.19

#233E50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#233E50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E50

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E50	#FFFFFF	#000000	##FFFFFF
##233E50	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363E51

Deuteranopia (green-blind)

#303950

Tritanopia (blue-blind)

#0A4344

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #233e50;
/* rgb */ color: rgb(35, 62, 80);
/* oklch */ color: oklch(35.1% 0.046 239.1);

Tailwind

colors: {
  custom: {
    50: '#617381',
    500: '#233e50',
    950: '#000000',
  },
}

SCSS

$custom: #233e50;
$custom-light: #617381;
$custom-dark: #000000;

JSON

{
  "hex": "#233e50",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 80
  },
  "hsl": {
    "h": 204,
    "s": 39.13,
    "l": 22.549
  },
  "oklch": {
    "l": 0.35063,
    "c": 0.04563,
    "h": 239.1
  },
  "luminance": 0.04382
}

Semantic roles & 50–950 ramp

primary

#233E50

secondary

#84624B

accent

#8859CF

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05080A

muted

#797B7C

Preview Lab

Preview with #233E50

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

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