#15403C#15403C

#15403C is a dark, muted teal. Relative luminance 0.042; OKLCH L 34.0% C 0.048 H 186.8°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#15403C
RGB	rgb(21, 64, 60)
HSL	hsl(174, 51%, 17%)
HSV	hsv(174, 67%, 25%)
CMYK	cmyk(67.2%, 0%, 6.2%, 74.9%)
CIE-LAB	lab(24.17, -15.87, -1.98)
CIE-LCH	lch(24.17, 15.99, 187.11°)
OKLab	oklab(34.04% -0.0473 -0.0056)
OKLCH	oklch(34.04% 0.048 186.8)
XYZ	xyz(2.9579, 4.1522, 4.9197)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15403C #401519

analogous

#154027 #15403C #152F40

triadic

#15403C #3C1540 #403C15

tetradic

#15403C #271540 #401519 #2F4015

square

#15403C #271540 #401519 #2F4015

split-complementary

#15403C #40152F #402715

monochromatic

#081716 #081716 #15403C #246E67 #339C92

Accessibility & contrast

On white

11.47

#15403C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#15403C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15403C

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15403C	#FFFFFF	#000000	##FFFFFF
##15403C	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3C3C

Deuteranopia (green-blind)

#36373C

Tritanopia (blue-blind)

#00423F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #15403c;
/* rgb */ color: rgb(21, 64, 60);
/* oklch */ color: oklch(34.0% 0.048 186.8);

Tailwind

colors: {
  custom: {
    50: '#587571',
    500: '#15403c',
    950: '#000000',
  },
}

SCSS

$custom: #15403c;
$custom-light: #587571;
$custom-dark: #000000;

JSON

{
  "hex": "#15403c",
  "rgb": {
    "r": 21,
    "g": 64,
    "b": 60
  },
  "hsl": {
    "h": 174.419,
    "s": 50.588,
    "l": 16.667
  },
  "oklch": {
    "l": 0.34043,
    "c": 0.04762,
    "h": 186.8
  },
  "luminance": 0.04152
}

Semantic roles & 50–950 ramp

primary

#15403C

secondary

#78393F

accent

#4E5BDA

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#040807

muted

#797B7A

Preview Lab

Preview with #15403C

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

Preview Lab → · Contrast checker → · Palette generator →