#15374E#15374E

#15374E is a dark, muted cyan. Relative luminance 0.034; OKLCH L 32.3% C 0.057 H 241.2°. Best body text is #FFFFFF at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#15374E
RGB	rgb(21, 55, 78)
HSL	hsl(204, 58%, 19%)
HSV	hsv(204, 73%, 31%)
CMYK	cmyk(73.1%, 29.5%, 0%, 69.4%)
CIE-LAB	lab(21.73, -3.75, -17.69)
CIE-LCH	lch(21.73, 18.08, 258.04°)
OKLab	oklab(32.34% -0.0274 -0.0498)
OKLCH	oklch(32.34% 0.057 241.2)
XYZ	xyz(3.0501, 3.4415, 7.7098)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15374E #4E2C15

analogous

#154E49 #15374E #151A4E

triadic

#15374E #4E1537 #374E15

tetradic

#15374E #49154E #4E2C15 #1A4E15

square

#15374E #49154E #4E2C15 #1A4E15

split-complementary

#15374E #4E151A #4E4915

monochromatic

#061118 #08151E #15374E #22597E #2F7BAE

Accessibility & contrast

On white

12.44

#15374E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#15374E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15374E

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15374E	#FFFFFF	#000000	##FFFFFF
##15374E	1.00	12.44	1.69	12.44
#FFFFFF	12.44	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D374F

Deuteranopia (green-blind)

#25324E

Tritanopia (blue-blind)

#003D3F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #15374e;
/* rgb */ color: rgb(21, 55, 78);
/* oklch */ color: oklch(32.3% 0.057 241.2);

Tailwind

colors: {
  custom: {
    50: '#5a6d7f',
    500: '#15374e',
    950: '#000000',
  },
}

SCSS

$custom: #15374e;
$custom-light: #5a6d7f;
$custom-dark: #000000;

JSON

{
  "hex": "#15374e",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 78
  },
  "hsl": {
    "h": 204.211,
    "s": 57.576,
    "l": 19.412
  },
  "oklch": {
    "l": 0.32344,
    "c": 0.05683,
    "h": 241.2
  },
  "luminance": 0.03442
}

Semantic roles & 50–950 ramp

primary

#15374E

secondary

#865839

accent

#8547E1

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #15374E

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

Preview Lab → · Contrast checker → · Palette generator →