#153F59#153F59

#153F59 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.2% C 0.065 H 239.6°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#153F59
RGB	rgb(21, 63, 89)
HSL	hsl(203, 62%, 22%)
HSV	hsv(203, 76%, 35%)
CMYK	cmyk(76.4%, 29.2%, 0%, 65.1%)
CIE-LAB	lab(25.06, -4.69, -19.74)
CIE-LCH	lch(25.06, 20.29, 256.63°)
OKLab	oklab(35.17% -0.0326 -0.0557)
OKLCH	oklch(35.17% 0.065 239.6)
XYZ	xyz(3.8892, 4.4353, 10.1004)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153F59 #592F15

analogous

#155951 #153F59 #151D59

triadic

#153F59 #59153F #3F5915

tetradic

#153F59 #511559 #592F15 #1D5915

square

#153F59 #511559 #592F15 #1D5915

split-complementary

#153F59 #59151D #595115

monochromatic

#061219 #091C27 #153F59 #21628B #2C85BC

Accessibility & contrast

On white

11.13

#153F59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#153F59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F59

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153F59	#FFFFFF	#000000	##FFFFFF
##153F59	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333F5A

Deuteranopia (green-blind)

#2A3959

Tritanopia (blue-blind)

#004648

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #153f59;
/* rgb */ color: rgb(21, 63, 89);
/* oklch */ color: oklch(35.2% 0.065 239.6);

Tailwind

colors: {
  custom: {
    50: '#5c7388',
    500: '#153f59',
    950: '#000000',
  },
}

SCSS

$custom: #153f59;
$custom-light: #5c7388;
$custom-dark: #000000;

JSON

{
  "hex": "#153f59",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 89
  },
  "hsl": {
    "h": 202.941,
    "s": 61.818,
    "l": 21.569
  },
  "oklch": {
    "l": 0.3517,
    "c": 0.06453,
    "h": 239.6
  },
  "luminance": 0.04436
}

Semantic roles & 50–950 ramp

primary

#153F59

secondary

#915B39

accent

#8143E5

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#05080B

muted

#797B7C

Preview Lab

Preview with #153F59

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

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