#153E51#153E51

#153E51 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.4% C 0.056 H 231.7°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#153E51
RGB	rgb(21, 62, 81)
HSL	hsl(199, 59%, 20%)
HSV	hsv(199, 74%, 32%)
CMYK	cmyk(74.1%, 23.5%, 0%, 68.2%)
CIE-LAB	lab(24.32, -7.17, -15.66)
CIE-LCH	lch(24.32, 17.22, 245.39°)
OKLab	oklab(34.45% -0.0346 -0.0439)
OKLCH	oklch(34.45% 0.056 231.7)
XYZ	xyz(3.5165, 4.1984, 8.4080)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E51 #512815

analogous

#155146 #153E51 #152051

triadic

#153E51 #51153E #3E5115

tetradic

#153E51 #461551 #512815 #205115

square

#153E51 #461551 #512815 #205115

split-complementary

#153E51 #511520 #514615

monochromatic

#061318 #081920 #153E51 #226382 #2E88B2

Accessibility & contrast

On white

11.41

#153E51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#153E51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E51

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E51	#FFFFFF	#000000	##FFFFFF
##153E51	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353D52

Deuteranopia (green-blind)

#2C3751

Tritanopia (blue-blind)

#004344

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153e51;
/* rgb */ color: rgb(21, 62, 81);
/* oklch */ color: oklch(34.4% 0.056 231.7);

Tailwind

colors: {
  custom: {
    50: '#5b7382',
    500: '#153e51',
    950: '#000000',
  },
}

SCSS

$custom: #153e51;
$custom-light: #5b7382;
$custom-dark: #000000;

JSON

{
  "hex": "#153e51",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 81
  },
  "hsl": {
    "h": 199,
    "s": 58.824,
    "l": 20
  },
  "oklch": {
    "l": 0.34447,
    "c": 0.05591,
    "h": 231.7
  },
  "luminance": 0.04199
}

Semantic roles & 50–950 ramp

primary

#153E51

secondary

#895239

accent

#7746E2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #153E51

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

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