#15586E#15586E

#15586E is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.1% C 0.073 H 224.9°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#15586E
RGB	rgb(21, 88, 110)
HSL	hsl(195, 68%, 26%)
HSV	hsv(195, 81%, 43%)
CMYK	cmyk(80.9%, 20%, 0%, 56.9%)
CIE-LAB	lab(34.53, -12.15, -18.41)
CIE-LCH	lch(34.53, 22.06, 236.59°)
OKLab	oklab(43.05% -0.0517 -0.0516)
OKLCH	oklch(43.05% 0.073 224.9)
XYZ	xyz(6.6123, 8.2639, 15.9954)
Luminance	0.0827 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15586E #6E2B15

analogous

#156E57 #15586E #152C6E

triadic

#15586E #6E1558 #586E15

tetradic

#15586E #57156E #6E2B15 #2C6E15

square

#15586E #57156E #6E2B15 #2C6E15

split-complementary

#15586E #6E152C #6E5715

monochromatic

#05151A #0B2F3B #15586E #1F81A1 #29AAD5

Accessibility & contrast

On white

7.92

#15586E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#15586E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15586E

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15586E	#FFFFFF	#000000	##FFFFFF
##15586E	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C566F

Deuteranopia (green-blind)

#404D6E

Tritanopia (blue-blind)

#005F5F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #15586e;
/* rgb */ color: rgb(21, 88, 110);
/* oklch */ color: oklch(43.1% 0.073 224.9);

Tailwind

colors: {
  custom: {
    50: '#628797',
    500: '#15586e',
    950: '#000000',
  },
}

SCSS

$custom: #15586e;
$custom-light: #628797;
$custom-dark: #000000;

JSON

{
  "hex": "#15586e",
  "rgb": {
    "r": 21,
    "g": 88,
    "b": 110
  },
  "hsl": {
    "h": 194.831,
    "s": 67.939,
    "l": 25.686
  },
  "oklch": {
    "l": 0.43051,
    "c": 0.07311,
    "h": 224.9
  },
  "luminance": 0.08265
}

Semantic roles & 50–950 ramp

primary

#15586E

secondary

#A4553A

accent

#683DEB

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #15586E

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

Preview Lab → · Contrast checker → · Palette generator →