#153A53#153A53

#153A53 is a dark, moderate cyan. Relative luminance 0.038; OKLCH L 33.5% C 0.061 H 241.5°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#153A53
RGB	rgb(21, 58, 83)
HSL	hsl(204, 60%, 20%)
HSV	hsv(204, 75%, 33%)
CMYK	cmyk(74.7%, 30.1%, 0%, 67.5%)
CIE-LAB	lab(23.03, -3.77, -18.97)
CIE-LCH	lch(23.03, 19.34, 258.77°)
OKLab	oklab(33.46% -0.0291 -0.0535)
OKLCH	oklch(33.46% 0.061 241.5)
XYZ	xyz(3.3831, 3.8097, 8.7390)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153A53 #532E15

analogous

#15534D #153A53 #151B53

triadic

#153A53 #53153A #3A5315

tetradic

#153A53 #4D1553 #532E15 #1B5315

square

#153A53 #4D1553 #532E15 #1B5315

split-complementary

#153A53 #53151B #534D15

monochromatic

#061118 #091822 #153A53 #215C84 #2E7EB5

Accessibility & contrast

On white

11.92

#153A53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#153A53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A53

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153A53	#FFFFFF	#000000	##FFFFFF
##153A53	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3A54

Deuteranopia (green-blind)

#263453

Tritanopia (blue-blind)

#004043

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #153a53;
/* rgb */ color: rgb(21, 58, 83);
/* oklch */ color: oklch(33.5% 0.061 241.5);

Tailwind

colors: {
  custom: {
    50: '#5b7083',
    500: '#153a53',
    950: '#000000',
  },
}

SCSS

$custom: #153a53;
$custom-light: #5b7083;
$custom-dark: #000000;

JSON

{
  "hex": "#153a53",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 83
  },
  "hsl": {
    "h": 204.194,
    "s": 59.615,
    "l": 20.392
  },
  "oklch": {
    "l": 0.3346,
    "c": 0.06089,
    "h": 241.5
  },
  "luminance": 0.0381
}

Semantic roles & 50–950 ramp

primary

#153A53

secondary

#8B5A39

accent

#8545E3

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070A

muted

#797A7C

Preview Lab

Preview with #153A53

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

Preview Lab → · Contrast checker → · Palette generator →