#153B4A#153B4A

#153B4A is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.2% C 0.050 H 227.3°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#153B4A
RGB	rgb(21, 59, 74)
HSL	hsl(197, 56%, 19%)
HSV	hsv(197, 72%, 29%)
CMYK	cmyk(71.6%, 20.3%, 0%, 71%)
CIE-LAB	lab(22.94, -7.92, -13.16)
CIE-LCH	lch(22.94, 15.36, 238.95°)
OKLab	oklab(33.24% -0.034 -0.0368)
OKLCH	oklch(33.24% 0.05 227.3)
XYZ	xyz(3.1088, 3.7814, 7.0433)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B4A #4A2415

analogous

#154A3E #153B4A #15204A

triadic

#153B4A #4A153B #3B4A15

tetradic

#153B4A #3E154A #4A2415 #204A15

square

#153B4A #3E154A #4A2415 #204A15

split-complementary

#153B4A #4A1520 #4A3E15

monochromatic

#071318 #07151A #153B4A #23617A #3087A9

Accessibility & contrast

On white

11.96

#153B4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#153B4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B4A

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B4A	#FFFFFF	#000000	##FFFFFF
##153B4A	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333A4B

Deuteranopia (green-blind)

#2C344A

Tritanopia (blue-blind)

#003F40

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #153b4a;
/* rgb */ color: rgb(21, 59, 74);
/* oklch */ color: oklch(33.2% 0.050 227.3);

Tailwind

colors: {
  custom: {
    50: '#59717c',
    500: '#153b4a',
    950: '#000000',
  },
}

SCSS

$custom: #153b4a;
$custom-light: #59717c;
$custom-dark: #000000;

JSON

{
  "hex": "#153b4a",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 74
  },
  "hsl": {
    "h": 196.981,
    "s": 55.789,
    "l": 18.627
  },
  "oklch": {
    "l": 0.33236,
    "c": 0.05005,
    "h": 227.3
  },
  "luminance": 0.03782
}

Semantic roles & 50–950 ramp

primary

#153B4A

secondary

#824E39

accent

#7349DF

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #153B4A

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

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