#15577F#15577F

#15577F is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.7% C 0.091 H 241.0°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#15577F
RGB	rgb(21, 87, 127)
HSL	hsl(203, 72%, 29%)
HSV	hsv(203, 83%, 50%)
CMYK	cmyk(83.5%, 31.5%, 0%, 50.2%)
CIE-LAB	lab(35.02, -5.00, -28.17)
CIE-LCH	lch(35.02, 28.61, 259.94°)
OKLab	oklab(43.71% -0.0443 -0.0799)
OKLCH	oklch(43.71% 0.091 241)
XYZ	xyz(7.5467, 8.5072, 21.3189)
Luminance	0.0851 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15577F #7F3D15

analogous

#157F72 #15577F #15227F

triadic

#15577F #7F1557 #577F15

tetradic

#15577F #72157F #7F3D15 #227F15

square

#15577F #72157F #7F3D15 #227F15

split-complementary

#15577F #7F1522 #7F7215

monochromatic

#04121A #0C334A #15577F #1E7BB4 #319CDD

Accessibility & contrast

On white

7.77

#15577F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#15577F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15577F

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15577F	#FFFFFF	#000000	##FFFFFF
##15577F	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#445881

Deuteranopia (green-blind)

#364E7E

Tritanopia (blue-blind)

#006165

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #15577f;
/* rgb */ color: rgb(21, 87, 127);
/* oklch */ color: oklch(43.7% 0.091 241.0);

Tailwind

colors: {
  custom: {
    50: '#6686a4',
    500: '#15577f',
    950: '#000000',
  },
}

SCSS

$custom: #15577f;
$custom-light: #6686a4;
$custom-dark: #000000;

JSON

{
  "hex": "#15577f",
  "rgb": {
    "r": 21,
    "g": 87,
    "b": 127
  },
  "hsl": {
    "h": 202.642,
    "s": 71.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.43713,
    "c": 0.09134,
    "h": 241
  },
  "luminance": 0.08508
}

Semantic roles & 50–950 ramp

primary

#15577F

secondary

#B4693C

accent

#7E39EE

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #15577F

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

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