#153E4C#153E4C

#153E4C is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.2% C 0.051 H 224.0°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#153E4C
RGB	rgb(21, 62, 76)
HSL	hsl(195, 57%, 19%)
HSV	hsv(195, 72%, 30%)
CMYK	cmyk(72.4%, 18.4%, 0%, 70.2%)
CIE-LAB	lab(24.08, -9.07, -12.72)
CIE-LCH	lch(24.08, 15.62, 234.50°)
OKLab	oklab(34.18% -0.0368 -0.0355)
OKLCH	oklch(34.18% 0.051 224)
XYZ	xyz(3.3359, 4.1261, 7.4567)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E4C #4C2315

analogous

#154C3F #153E4C #15234C

triadic

#153E4C #4C153E #3E4C15

tetradic

#153E4C #3F154C #4C2315 #234C15

square

#153E4C #3F154C #4C2315 #234C15

split-complementary

#153E4C #4C1523 #4C3F15

monochromatic

#071418 #08171C #153E4C #22657C #2F8CAC

Accessibility & contrast

On white

11.51

#153E4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#153E4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E4C

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E4C	#FFFFFF	#000000	##FFFFFF
##153E4C	1.00	11.51	1.83	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363C4D

Deuteranopia (green-blind)

#2E374C

Tritanopia (blue-blind)

#004243

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #153e4c;
/* rgb */ color: rgb(21, 62, 76);
/* oklch */ color: oklch(34.2% 0.051 224.0);

Tailwind

colors: {
  custom: {
    50: '#5a737e',
    500: '#153e4c',
    950: '#000000',
  },
}

SCSS

$custom: #153e4c;
$custom-light: #5a737e;
$custom-dark: #000000;

JSON

{
  "hex": "#153e4c",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 76
  },
  "hsl": {
    "h": 195.273,
    "s": 56.701,
    "l": 19.02
  },
  "oklch": {
    "l": 0.34184,
    "c": 0.05112,
    "h": 224
  },
  "luminance": 0.04126
}

Semantic roles & 50–950 ramp

primary

#153E4C

secondary

#844C39

accent

#6F48E0

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #153E4C

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

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