#153C40#153C40

#153C40 is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.0% C 0.044 H 204.5°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#153C40
RGB	rgb(21, 60, 64)
HSL	hsl(186, 51%, 17%)
HSV	hsv(186, 67%, 25%)
CMYK	cmyk(67.2%, 6.2%, 0%, 74.9%)
CIE-LAB	lab(22.86, -12.18, -6.59)
CIE-LCH	lch(22.86, 13.85, 208.39°)
OKLab	oklab(33.04% -0.04 -0.0182)
OKLCH	oklch(33.04% 0.044 204.5)
XYZ	xyz(2.8501, 3.7610, 5.4252)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C40 #401915

analogous

#15402F #153C40 #152740

triadic

#153C40 #40153C #3C4015

tetradic

#153C40 #2F1540 #401915 #274015

square

#153C40 #2F1540 #401915 #274015

split-complementary

#153C40 #401527 #402F15

monochromatic

#081617 #081617 #153C40 #24676E #33929C

Accessibility & contrast

On white

11.98

#153C40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#153C40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C40

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C40	#FFFFFF	#000000	##FFFFFF
##153C40	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373940

Deuteranopia (green-blind)

#303440

Tritanopia (blue-blind)

#003F3D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #153c40;
/* rgb */ color: rgb(21, 60, 64);
/* oklch */ color: oklch(33.0% 0.044 204.5);

Tailwind

colors: {
  custom: {
    50: '#587274',
    500: '#153c40',
    950: '#000000',
  },
}

SCSS

$custom: #153c40;
$custom-light: #587274;
$custom-dark: #000000;

JSON

{
  "hex": "#153c40",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 64
  },
  "hsl": {
    "h": 185.581,
    "s": 50.588,
    "l": 16.667
  },
  "oklch": {
    "l": 0.33038,
    "c": 0.04395,
    "h": 204.5
  },
  "luminance": 0.03761
}

Semantic roles & 50–950 ramp

primary

#153C40

secondary

#783F39

accent

#5B4EDA

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040708

muted

#797A7B

Preview Lab

Preview with #153C40

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

Preview Lab → · Contrast checker → · Palette generator →