#15557F#15557F

#15557F is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.2% C 0.093 H 242.9°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#15557F
RGB	rgb(21, 85, 127)
HSL	hsl(204, 72%, 29%)
HSV	hsv(204, 83%, 50%)
CMYK	cmyk(83.5%, 33.1%, 0%, 50.2%)
CIE-LAB	lab(34.37, -3.74, -29.19)
CIE-LCH	lch(34.37, 29.43, 262.70°)
OKLab	oklab(43.2% -0.0423 -0.0829)
OKLCH	oklch(43.2% 0.093 242.9)
XYZ	xyz(7.3870, 8.1878, 21.2656)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15557F #7F3F15

analogous

#157F74 #15557F #15207F

triadic

#15557F #7F1555 #557F15

tetradic

#15557F #74157F #7F3F15 #207F15

square

#15557F #74157F #7F3F15 #207F15

split-complementary

#15557F #7F1520 #7F7415

monochromatic

#04121A #0C324A #15557F #1E78B4 #3199DD

Accessibility & contrast

On white

7.96

#15557F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#15557F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15557F

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15557F	#FFFFFF	#000000	##FFFFFF
##15557F	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415681

Deuteranopia (green-blind)

#334D7E

Tritanopia (blue-blind)

#005F64

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #15557f;
/* rgb */ color: rgb(21, 85, 127);
/* oklch */ color: oklch(43.2% 0.093 242.9);

Tailwind

colors: {
  custom: {
    50: '#6584a4',
    500: '#15557f',
    950: '#000000',
  },
}

SCSS

$custom: #15557f;
$custom-light: #6584a4;
$custom-dark: #000000;

JSON

{
  "hex": "#15557f",
  "rgb": {
    "r": 21,
    "g": 85,
    "b": 127
  },
  "hsl": {
    "h": 203.774,
    "s": 71.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.43201,
    "c": 0.09307,
    "h": 242.9
  },
  "luminance": 0.08189
}

Semantic roles & 50–950 ramp

primary

#15557F

secondary

#B46B3C

accent

#8139EE

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #15557F

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

Preview Lab → · Contrast checker → · Palette generator →