#153B52#153B52

#153B52 is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.7% C 0.059 H 238.6°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#153B52
RGB	rgb(21, 59, 82)
HSL	hsl(203, 59%, 20%)
HSV	hsv(203, 74%, 32%)
CMYK	cmyk(74.4%, 28%, 0%, 67.8%)
CIE-LAB	lab(23.33, -4.83, -17.86)
CIE-LCH	lch(23.33, 18.50, 254.86°)
OKLab	oklab(33.67% -0.0306 -0.0503)
OKLCH	oklch(33.67% 0.059 238.6)
XYZ	xyz(3.3956, 3.8962, 8.5541)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B52 #522C15

analogous

#15524A #153B52 #151C52

triadic

#153B52 #52153B #3B5215

tetradic

#153B52 #4A1552 #522C15 #1C5215

square

#153B52 #4A1552 #522C15 #1C5215

split-complementary

#153B52 #52151C #524A15

monochromatic

#061218 #091821 #153B52 #215E83 #2E81B3

Accessibility & contrast

On white

11.80

#153B52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#153B52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B52

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B52	#FFFFFF	#000000	##FFFFFF
##153B52	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303B53

Deuteranopia (green-blind)

#283552

Tritanopia (blue-blind)

#004143

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #153b52;
/* rgb */ color: rgb(21, 59, 82);
/* oklch */ color: oklch(33.7% 0.059 238.6);

Tailwind

colors: {
  custom: {
    50: '#5b7082',
    500: '#153b52',
    950: '#000000',
  },
}

SCSS

$custom: #153b52;
$custom-light: #5b7082;
$custom-dark: #000000;

JSON

{
  "hex": "#153b52",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 82
  },
  "hsl": {
    "h": 202.623,
    "s": 59.223,
    "l": 20.196
  },
  "oklch": {
    "l": 0.33675,
    "c": 0.05887,
    "h": 238.6
  },
  "luminance": 0.03897
}

Semantic roles & 50–950 ramp

primary

#153B52

secondary

#8A5739

accent

#8145E2

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070A

muted

#797A7C

Preview Lab

Preview with #153B52

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

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