#153A66#153A66

#153A66 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.7% C 0.088 H 254.7°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#153A66
RGB	rgb(21, 58, 102)
HSL	hsl(213, 66%, 24%)
HSV	hsv(213, 79%, 40%)
CMYK	cmyk(79.4%, 43.1%, 0%, 60%)
CIE-LAB	lab(24.14, 4.01, -29.64)
CIE-LCH	lch(24.14, 29.91, 277.71°)
OKLab	oklab(34.7% -0.0231 -0.0846)
OKLCH	oklch(34.7% 0.088 254.7)
XYZ	xyz(4.2197, 4.1444, 13.1453)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153A66 #664115

analogous

#156366 #153A66 #191566

triadic

#153A66 #66153A #3A6615

tetradic

#153A66 #661563 #664115 #156619

square

#153A66 #661563 #664115 #156619

split-complementary

#153A66 #661915 #636615

monochromatic

#050E19 #0B1D33 #153A66 #1F5799 #2A74CC

Accessibility & contrast

On white

11.48

#153A66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#153A66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A66

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153A66	#FFFFFF	#000000	##FFFFFF
##153A66	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253D68

Deuteranopia (green-blind)

#183665

Tritanopia (blue-blind)

#00444B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #153a66;
/* rgb */ color: rgb(21, 58, 102);
/* oklch */ color: oklch(34.7% 0.088 254.7);

Tailwind

colors: {
  custom: {
    50: '#5f6f92',
    500: '#153a66',
    950: '#000000',
  },
}

SCSS

$custom: #153a66;
$custom-light: #5f6f92;
$custom-dark: #000000;

JSON

{
  "hex": "#153a66",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 102
  },
  "hsl": {
    "h": 212.593,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.34695,
    "c": 0.08775,
    "h": 254.7
  },
  "luminance": 0.04145
}

Semantic roles & 50–950 ramp

primary

#153A66

secondary

#9D703A

accent

#9B3FE9

background

#F5F6F9

surface

#EAECF1

border

#C6C7CB

text

#05070D

muted

#797A7E

Preview Lab

Preview with #153A66

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

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