#153A4E#153A4E

#153A4E is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.2% C 0.055 H 235.5°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#153A4E
RGB	rgb(21, 58, 78)
HSL	hsl(201, 58%, 19%)
HSV	hsv(201, 73%, 31%)
CMYK	cmyk(73.1%, 25.6%, 0%, 69.4%)
CIE-LAB	lab(22.78, -5.74, -16.06)
CIE-LCH	lch(22.78, 17.06, 250.33°)
OKLab	oklab(33.17% -0.031 -0.0451)
OKLCH	oklch(33.17% 0.055 235.5)
XYZ	xyz(3.1969, 3.7353, 7.7587)
Luminance	0.0374 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153A4E #4E2915

analogous

#154E46 #153A4E #151D4E

triadic

#153A4E #4E153A #3A4E15

tetradic

#153A4E #46154E #4E2915 #1D4E15

square

#153A4E #46154E #4E2915 #1D4E15

split-complementary

#153A4E #4E151D #4E4615

monochromatic

#061218 #08161E #153A4E #225E7E #2F82AE

Accessibility & contrast

On white

12.02

#153A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#153A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A4E

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153A4E	#FFFFFF	#000000	##FFFFFF
##153A4E	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303A4F

Deuteranopia (green-blind)

#29344E

Tritanopia (blue-blind)

#003F41

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #153a4e;
/* rgb */ color: rgb(21, 58, 78);
/* oklch */ color: oklch(33.2% 0.055 235.5);

Tailwind

colors: {
  custom: {
    50: '#5a707f',
    500: '#153a4e',
    950: '#000000',
  },
}

SCSS

$custom: #153a4e;
$custom-light: #5a707f;
$custom-dark: #000000;

JSON

{
  "hex": "#153a4e",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 78
  },
  "hsl": {
    "h": 201.053,
    "s": 57.576,
    "l": 19.412
  },
  "oklch": {
    "l": 0.33172,
    "c": 0.05473,
    "h": 235.5
  },
  "luminance": 0.03736
}

Semantic roles & 50–950 ramp

primary

#153A4E

secondary

#865439

accent

#7D47E1

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #153A4E

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

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