#153E40#153E40

#153E40 is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.6% C 0.045 H 199.7°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#153E40
RGB	rgb(21, 62, 64)
HSL	hsl(183, 51%, 17%)
HSV	hsv(183, 67%, 25%)
CMYK	cmyk(67.2%, 3.1%, 0%, 74.9%)
CIE-LAB	lab(23.59, -13.38, -5.50)
CIE-LCH	lch(23.59, 14.47, 202.36°)
OKLab	oklab(33.62% -0.0426 -0.0152)
OKLCH	oklch(33.62% 0.045 199.7)
XYZ	xyz(2.9569, 3.9745, 5.4608)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E40 #401715

analogous

#15402D #153E40 #152940

triadic

#153E40 #40153E #3E4015

tetradic

#153E40 #2D1540 #401715 #294015

square

#153E40 #2D1540 #401715 #294015

split-complementary

#153E40 #401529 #402D15

monochromatic

#081617 #081617 #153E40 #246B6E #33979C

Accessibility & contrast

On white

11.70

#153E40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#153E40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E40

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E40	#FFFFFF	#000000	##FFFFFF
##153E40	1.00	11.70	1.80	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393B40

Deuteranopia (green-blind)

#333640

Tritanopia (blue-blind)

#00403E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #153e40;
/* rgb */ color: rgb(21, 62, 64);
/* oklch */ color: oklch(33.6% 0.045 199.7);

Tailwind

colors: {
  custom: {
    50: '#587374',
    500: '#153e40',
    950: '#000000',
  },
}

SCSS

$custom: #153e40;
$custom-light: #587374;
$custom-dark: #000000;

JSON

{
  "hex": "#153e40",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 64
  },
  "hsl": {
    "h": 182.791,
    "s": 50.588,
    "l": 16.667
  },
  "oklch": {
    "l": 0.3362,
    "c": 0.04523,
    "h": 199.7
  },
  "luminance": 0.03975
}

Semantic roles & 50–950 ramp

primary

#153E40

secondary

#783C39

accent

#544EDA

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#040808

muted

#797B7B

Preview Lab

Preview with #153E40

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

Preview Lab → · Contrast checker → · Palette generator →