#15578F#15578F

#15578F is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.7% C 0.112 H 249.3°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#15578F
RGB	rgb(21, 87, 143)
HSL	hsl(208, 74%, 32%)
HSV	hsv(208, 85%, 56%)
CMYK	cmyk(85.3%, 39.2%, 0%, 43.9%)
CIE-LAB	lab(35.90, 1.39, -36.55)
CIE-LCH	lch(35.90, 36.58, 272.17°)
OKLab	oklab(44.7% -0.0394 -0.1044)
OKLCH	oklch(44.7% 0.112 249.3)
XYZ	xyz(8.6735, 8.9579, 27.2532)
Luminance	0.0896 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15578F #8F4D15

analogous

#158F8A #15578F #151A8F

triadic

#15578F #8F1557 #578F15

tetradic

#15578F #8A158F #8F4D15 #1A8F15

square

#15578F #8A158F #8F4D15 #1A8F15

split-complementary

#15578F #8F151A #8F8A15

monochromatic

#051624 #0D375A #15578F #1D77C4 #3C96E2

Accessibility & contrast

On white

7.52

#15578F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#15578F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15578F

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15578F	#FFFFFF	#000000	##FFFFFF
##15578F	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C5A91

Deuteranopia (green-blind)

#29508E

Tritanopia (blue-blind)

#00646C

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #15578f;
/* rgb */ color: rgb(21, 87, 143);
/* oklch */ color: oklch(44.7% 0.112 249.3);

Tailwind

colors: {
  custom: {
    50: '#6986b0',
    500: '#15578f',
    950: '#000000',
  },
}

SCSS

$custom: #15578f;
$custom-light: #6986b0;
$custom-dark: #000000;

JSON

{
  "hex": "#15578f",
  "rgb": {
    "r": 21,
    "g": 87,
    "b": 143
  },
  "hsl": {
    "h": 207.541,
    "s": 74.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.447,
    "c": 0.11159,
    "h": 249.3
  },
  "luminance": 0.08959
}

Semantic roles & 50–950 ramp

primary

#15578F

secondary

#C27A3E

accent

#8C37F1

background

#F6F8FA

surface

#ECEFF5

border

#C7CACF

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #15578F

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

Preview Lab → · Contrast checker → · Palette generator →