#153D56#153D56

#153D56 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.5% C 0.062 H 239.7°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#153D56
RGB	rgb(21, 61, 86)
HSL	hsl(203, 61%, 21%)
HSV	hsv(203, 76%, 34%)
CMYK	cmyk(75.6%, 29.1%, 0%, 66.3%)
CIE-LAB	lab(24.22, -4.57, -19.09)
CIE-LCH	lch(24.22, 19.63, 256.55°)
OKLab	oklab(34.45% -0.0314 -0.0538)
OKLCH	oklch(34.45% 0.062 239.7)
XYZ	xyz(3.6571, 4.1684, 9.4141)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D56 #562E15

analogous

#15564E #153D56 #151C56

triadic

#153D56 #56153D #3D5615

tetradic

#153D56 #4E1556 #562E15 #1C5615

square

#153D56 #4E1556 #562E15 #1C5615

split-complementary

#153D56 #56151C #564E15

monochromatic

#061119 #091A25 #153D56 #216087 #2D83B8

Accessibility & contrast

On white

11.45

#153D56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#153D56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D56

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D56	#FFFFFF	#000000	##FFFFFF
##153D56	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313D57

Deuteranopia (green-blind)

#293756

Tritanopia (blue-blind)

#004346

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153d56;
/* rgb */ color: rgb(21, 61, 86);
/* oklch */ color: oklch(34.5% 0.062 239.7);

Tailwind

colors: {
  custom: {
    50: '#5c7285',
    500: '#153d56',
    950: '#000000',
  },
}

SCSS

$custom: #153d56;
$custom-light: #5c7285;
$custom-dark: #000000;

JSON

{
  "hex": "#153d56",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 86
  },
  "hsl": {
    "h": 203.077,
    "s": 60.748,
    "l": 20.98
  },
  "oklch": {
    "l": 0.34453,
    "c": 0.06233,
    "h": 239.7
  },
  "luminance": 0.04169
}

Semantic roles & 50–950 ramp

primary

#153D56

secondary

#8E5A39

accent

#8144E4

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #153D56

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

Preview Lab → · Contrast checker → · Palette generator →