#153A40#153A40

#153A40 is a dark, muted teal. Relative luminance 0.036; OKLCH L 32.5% C 0.043 H 209.6°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#153A40
RGB	rgb(21, 58, 64)
HSL	hsl(188, 51%, 17%)
HSV	hsv(188, 67%, 25%)
CMYK	cmyk(67.2%, 9.4%, 0%, 74.9%)
CIE-LAB	lab(22.14, -10.96, -7.68)
CIE-LCH	lch(22.14, 13.38, 215.00°)
OKLab	oklab(32.46% -0.0374 -0.0213)
OKLCH	oklch(32.46% 0.043 209.6)
XYZ	xyz(2.7474, 3.5554, 5.3910)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153A40 #401B15

analogous

#154031 #153A40 #152540

triadic

#153A40 #40153A #3A4015

tetradic

#153A40 #311540 #401B15 #254015

square

#153A40 #311540 #401B15 #254015

split-complementary

#153A40 #401525 #403115

monochromatic

#081517 #081517 #153A40 #24646E #338E9C

Accessibility & contrast

On white

12.27

#153A40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#153A40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A40

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153A40	#FFFFFF	#000000	##FFFFFF
##153A40	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353840

Deuteranopia (green-blind)

#2E3340

Tritanopia (blue-blind)

#003D3C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #153a40;
/* rgb */ color: rgb(21, 58, 64);
/* oklch */ color: oklch(32.5% 0.043 209.6);

Tailwind

colors: {
  custom: {
    50: '#587074',
    500: '#153a40',
    950: '#000000',
  },
}

SCSS

$custom: #153a40;
$custom-light: #587074;
$custom-dark: #000000;

JSON

{
  "hex": "#153a40",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 64
  },
  "hsl": {
    "h": 188.372,
    "s": 50.588,
    "l": 16.667
  },
  "oklch": {
    "l": 0.32457,
    "c": 0.04299,
    "h": 209.6
  },
  "luminance": 0.03556
}

Semantic roles & 50–950 ramp

primary

#153A40

secondary

#784239

accent

#614EDA

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #153A40

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

Preview Lab → · Contrast checker → · Palette generator →