#153A3C#153A3C

#153A3C is a dark, muted teal. Relative luminance 0.035; OKLCH L 32.3% C 0.042 H 200.1°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#153A3C
RGB	rgb(21, 58, 60)
HSL	hsl(183, 48%, 16%)
HSV	hsv(183, 65%, 24%)
CMYK	cmyk(65%, 3.3%, 0%, 76.5%)
CIE-LAB	lab(21.99, -12.36, -5.22)
CIE-LCH	lch(21.99, 13.41, 202.91°)
OKLab	oklab(32.28% -0.0394 -0.0144)
OKLCH	oklch(32.28% 0.042 200.1)
XYZ	xyz(2.6376, 3.5115, 4.8129)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153A3C #3C1715

analogous

#153C2A #153A3C #15263C

triadic

#153A3C #3C153A #3A3C15

tetradic

#153A3C #2A153C #3C1715 #263C15

square

#153A3C #2A153C #3C1715 #263C15

split-complementary

#153A3C #3C1526 #3C2A15

monochromatic

#081617 #081617 #153A3C #256669 #359297

Accessibility & contrast

On white

12.34

#153A3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#153A3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A3C

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153A3C	#FFFFFF	#000000	##FFFFFF
##153A3C	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36373C

Deuteranopia (green-blind)

#2F333C

Tritanopia (blue-blind)

#003C3B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #153a3c;
/* rgb */ color: rgb(21, 58, 60);
/* oklch */ color: oklch(32.3% 0.042 200.1);

Tailwind

colors: {
  custom: {
    50: '#577071',
    500: '#153a3c',
    950: '#000000',
  },
}

SCSS

$custom: #153a3c;
$custom-light: #577071;
$custom-dark: #000000;

JSON

{
  "hex": "#153a3c",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 60
  },
  "hsl": {
    "h": 183.077,
    "s": 48.148,
    "l": 15.882
  },
  "oklch": {
    "l": 0.32278,
    "c": 0.04195,
    "h": 200.1
  },
  "luminance": 0.03512
}

Semantic roles & 50–950 ramp

primary

#153A3C

secondary

#743C39

accent

#5750D8

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#030707

muted

#787A7A

Preview Lab

Preview with #153A3C

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

Preview Lab → · Contrast checker → · Palette generator →