#153A4D#153A4D

#153A4D is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.1% C 0.054 H 234.1°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#153A4D
RGB	rgb(21, 58, 77)
HSL	hsl(200, 57%, 19%)
HSV	hsv(200, 73%, 30%)
CMYK	cmyk(72.7%, 24.7%, 0%, 69.8%)
CIE-LAB	lab(22.73, -6.13, -15.47)
CIE-LCH	lch(22.73, 16.64, 248.39°)
OKLab	oklab(33.12% -0.0314 -0.0434)
OKLCH	oklch(33.12% 0.054 234.1)
XYZ	xyz(3.1613, 3.7210, 7.5714)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153A4D #4D2815

analogous

#154D44 #153A4D #151E4D

triadic

#153A4D #4D153A #3A4D15

tetradic

#153A4D #44154D #4D2815 #1E4D15

square

#153A4D #44154D #4D2815 #1E4D15

split-complementary

#153A4D #4D151E #4D4415

monochromatic

#071218 #08161D #153A4D #225E7D #2F82AD

Accessibility & contrast

On white

12.04

#153A4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#153A4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A4D

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153A4D	#FFFFFF	#000000	##FFFFFF
##153A4D	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31394E

Deuteranopia (green-blind)

#29344D

Tritanopia (blue-blind)

#003F40

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #153a4d;
/* rgb */ color: rgb(21, 58, 77);
/* oklch */ color: oklch(33.1% 0.054 234.1);

Tailwind

colors: {
  custom: {
    50: '#5a707f',
    500: '#153a4d',
    950: '#000000',
  },
}

SCSS

$custom: #153a4d;
$custom-light: #5a707f;
$custom-dark: #000000;

JSON

{
  "hex": "#153a4d",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 77
  },
  "hsl": {
    "h": 200.357,
    "s": 57.143,
    "l": 19.216
  },
  "oklch": {
    "l": 0.33117,
    "c": 0.05359,
    "h": 234.1
  },
  "luminance": 0.03721
}

Semantic roles & 50–950 ramp

primary

#153A4D

secondary

#855339

accent

#7B47E0

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #153A4D

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

Preview Lab → · Contrast checker → · Palette generator →