#153E4D#153E4D

#153E4D is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.2% C 0.052 H 225.6°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#153E4D
RGB	rgb(21, 62, 77)
HSL	hsl(196, 57%, 19%)
HSV	hsv(196, 73%, 30%)
CMYK	cmyk(72.7%, 19.5%, 0%, 69.8%)
CIE-LAB	lab(24.13, -8.70, -13.31)
CIE-LCH	lch(24.13, 15.90, 236.84°)
OKLab	oklab(34.24% -0.0363 -0.0372)
OKLCH	oklch(34.24% 0.052 225.6)
XYZ	xyz(3.3709, 4.1401, 7.6412)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E4D #4D2415

analogous

#154D40 #153E4D #15224D

triadic

#153E4D #4D153E #3E4D15

tetradic

#153E4D #40154D #4D2415 #224D15

square

#153E4D #40154D #4D2415 #224D15

split-complementary

#153E4D #4D1522 #4D4015

monochromatic

#071318 #08171D #153E4D #22657D #2F8BAD

Accessibility & contrast

On white

11.49

#153E4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#153E4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E4D

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E4D	#FFFFFF	#000000	##FFFFFF
##153E4D	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363D4E

Deuteranopia (green-blind)

#2E374D

Tritanopia (blue-blind)

#004243

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #153e4d;
/* rgb */ color: rgb(21, 62, 77);
/* oklch */ color: oklch(34.2% 0.052 225.6);

Tailwind

colors: {
  custom: {
    50: '#5a737e',
    500: '#153e4d',
    950: '#000000',
  },
}

SCSS

$custom: #153e4d;
$custom-light: #5a737e;
$custom-dark: #000000;

JSON

{
  "hex": "#153e4d",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 77
  },
  "hsl": {
    "h": 196.071,
    "s": 57.143,
    "l": 19.216
  },
  "oklch": {
    "l": 0.34235,
    "c": 0.052,
    "h": 225.6
  },
  "luminance": 0.04141
}

Semantic roles & 50–950 ramp

primary

#153E4D

secondary

#854D39

accent

#7047E0

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #153E4D

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

Preview Lab → · Contrast checker → · Palette generator →