#153138#153138

#153138 is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.5% C 0.036 H 216.2°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#153138
RGB	rgb(21, 49, 56)
HSL	hsl(192, 45%, 15%)
HSV	hsv(192, 63%, 22%)
CMYK	cmyk(62.5%, 12.5%, 0%, 78%)
CIE-LAB	lab(18.55, -8.14, -7.68)
CIE-LCH	lch(18.55, 11.19, 223.36°)
OKLab	oklab(29.46% -0.0291 -0.0213)
OKLCH	oklch(29.46% 0.036 216.2)
XYZ	xyz(2.1211, 2.6414, 4.1387)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153138 #381C15

analogous

#15382D #153138 #151F38

triadic

#153138 #381531 #313815

tetradic

#153138 #2D1538 #381C15 #1F3815

square

#153138 #2D1538 #381C15 #1F3815

split-complementary

#153138 #38151F #382D15

monochromatic

#081316 #081316 #153138 #265865 #367F91

Accessibility & contrast

On white

13.74

#153138 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#153138 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153138

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153138	#FFFFFF	#000000	##FFFFFF
##153138	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2F38

Deuteranopia (green-blind)

#272B38

Tritanopia (blue-blind)

#003433

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #153138;
/* rgb */ color: rgb(21, 49, 56);
/* oklch */ color: oklch(29.5% 0.036 216.2);

Tailwind

colors: {
  custom: {
    50: '#56696e',
    500: '#153138',
    950: '#000000',
  },
}

SCSS

$custom: #153138;
$custom-light: #56696e;
$custom-dark: #000000;

JSON

{
  "hex": "#153138",
  "rgb": {
    "r": 21,
    "g": 49,
    "b": 56
  },
  "hsl": {
    "h": 192,
    "s": 45.455,
    "l": 15.098
  },
  "oklch": {
    "l": 0.29461,
    "c": 0.03605,
    "h": 216.2
  },
  "luminance": 0.02642
}

Semantic roles & 50–950 ramp

primary

#153138

secondary

#6F443A

accent

#6D53D5

background

#F5F6F6

surface

#E9EBEB

border

#C5C6C6

text

#030607

muted

#787A7A

Preview Lab

Preview with #153138

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

Preview Lab → · Contrast checker → · Palette generator →