#15588D#15588D

#15588D is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.8% C 0.108 H 247.7°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#15588D
RGB	rgb(21, 88, 141)
HSL	hsl(207, 74%, 32%)
HSV	hsv(207, 85%, 55%)
CMYK	cmyk(85.1%, 37.6%, 0%, 44.7%)
CIE-LAB	lab(36.10, -0.06, -35.02)
CIE-LCH	lch(36.10, 35.02, 269.90°)
OKLab	oklab(44.82% -0.0409 -0.0999)
OKLCH	oklch(44.82% 0.108 247.7)
XYZ	xyz(8.6048, 9.0609, 26.4895)
Luminance	0.0906 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15588D #8D4A15

analogous

#158D86 #15588D #151C8D

triadic

#15588D #8D1558 #588D15

tetradic

#15588D #86158D #8D4A15 #1C8D15

square

#15588D #86158D #8D4A15 #1C8D15

split-complementary

#15588D #8D151C #8D8615

monochromatic

#051622 #0D3758 #15588D #1D79C2 #3B98E2

Accessibility & contrast

On white

7.47

#15588D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#15588D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15588D

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15588D	#FFFFFF	#000000	##FFFFFF
##15588D	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5B8F

Deuteranopia (green-blind)

#2D508C

Tritanopia (blue-blind)

#00656B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #15588d;
/* rgb */ color: rgb(21, 88, 141);
/* oklch */ color: oklch(44.8% 0.108 247.7);

Tailwind

colors: {
  custom: {
    50: '#6986ae',
    500: '#15588d',
    950: '#000000',
  },
}

SCSS

$custom: #15588d;
$custom-light: #6986ae;
$custom-dark: #000000;

JSON

{
  "hex": "#15588d",
  "rgb": {
    "r": 21,
    "g": 88,
    "b": 141
  },
  "hsl": {
    "h": 206.5,
    "s": 74.074,
    "l": 31.765
  },
  "oklch": {
    "l": 0.44818,
    "c": 0.10793,
    "h": 247.7
  },
  "luminance": 0.09062
}

Semantic roles & 50–950 ramp

primary

#15588D

secondary

#C1773D

accent

#8937F1

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #15588D

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

Preview Lab → · Contrast checker → · Palette generator →