#153B40#153B40

#153B40 is a dark, muted teal. Relative luminance 0.037; OKLCH L 32.7% C 0.043 H 207.0°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#153B40
RGB	rgb(21, 59, 64)
HSL	hsl(187, 51%, 17%)
HSV	hsv(187, 67%, 25%)
CMYK	cmyk(67.2%, 7.8%, 0%, 74.9%)
CIE-LAB	lab(22.50, -11.58, -7.13)
CIE-LCH	lch(22.50, 13.60, 211.63°)
OKLab	oklab(32.75% -0.0387 -0.0197)
OKLCH	oklch(32.75% 0.043 207)
XYZ	xyz(2.7983, 3.6572, 5.4079)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B40 #401A15

analogous

#154030 #153B40 #152640

triadic

#153B40 #40153B #3B4015

tetradic

#153B40 #301540 #401A15 #264015

square

#153B40 #301540 #401A15 #264015

split-complementary

#153B40 #401526 #403015

monochromatic

#081517 #081517 #153B40 #24656E #33909C

Accessibility & contrast

On white

12.13

#153B40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#153B40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B40

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B40	#FFFFFF	#000000	##FFFFFF
##153B40	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363940

Deuteranopia (green-blind)

#2F3440

Tritanopia (blue-blind)

#003E3C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #153b40;
/* rgb */ color: rgb(21, 59, 64);
/* oklch */ color: oklch(32.7% 0.043 207.0);

Tailwind

colors: {
  custom: {
    50: '#587174',
    500: '#153b40',
    950: '#000000',
  },
}

SCSS

$custom: #153b40;
$custom-light: #587174;
$custom-dark: #000000;

JSON

{
  "hex": "#153b40",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 64
  },
  "hsl": {
    "h": 186.977,
    "s": 50.588,
    "l": 16.667
  },
  "oklch": {
    "l": 0.32747,
    "c": 0.04343,
    "h": 207
  },
  "luminance": 0.03658
}

Semantic roles & 50–950 ramp

primary

#153B40

secondary

#784039

accent

#5E4EDA

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #153B40

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

Preview Lab → · Contrast checker → · Palette generator →