#153F40#153F40

#153F40 is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.9% C 0.046 H 197.4°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#153F40
RGB	rgb(21, 63, 64)
HSL	hsl(181, 51%, 17%)
HSV	hsv(181, 67%, 25%)
CMYK	cmyk(67.2%, 1.6%, 0%, 74.9%)
CIE-LAB	lab(23.95, -13.97, -4.96)
CIE-LCH	lch(23.95, 14.82, 199.56°)
OKLab	oklab(33.91% -0.0439 -0.0137)
OKLCH	oklch(33.91% 0.046 197.4)
XYZ	xyz(3.0118, 4.0843, 5.4791)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153F40 #401615

analogous

#15402C #153F40 #152A40

triadic

#153F40 #40153F #3F4015

tetradic

#153F40 #2C1540 #401615 #2A4015

square

#153F40 #2C1540 #401615 #2A4015

split-complementary

#153F40 #40152A #402C15

monochromatic

#081717 #081717 #153F40 #246C6E #339A9C

Accessibility & contrast

On white

11.56

#153F40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#153F40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F40

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153F40	#FFFFFF	#000000	##FFFFFF
##153F40	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3C40

Deuteranopia (green-blind)

#343740

Tritanopia (blue-blind)

#00413F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #153f40;
/* rgb */ color: rgb(21, 63, 64);
/* oklch */ color: oklch(33.9% 0.046 197.4);

Tailwind

colors: {
  custom: {
    50: '#597474',
    500: '#153f40',
    950: '#000000',
  },
}

SCSS

$custom: #153f40;
$custom-light: #597474;
$custom-dark: #000000;

JSON

{
  "hex": "#153f40",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 64
  },
  "hsl": {
    "h": 181.395,
    "s": 50.588,
    "l": 16.667
  },
  "oklch": {
    "l": 0.33912,
    "c": 0.04598,
    "h": 197.4
  },
  "luminance": 0.04085
}

Semantic roles & 50–950 ramp

primary

#153F40

secondary

#783B39

accent

#514EDA

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#040808

muted

#797B7B

Preview Lab

Preview with #153F40

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

Preview Lab → · Contrast checker → · Palette generator →