#15517C#15517C

#15517C is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.0% C 0.093 H 244.9°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#15517C
RGB	rgb(21, 81, 124)
HSL	hsl(205, 71%, 28%)
HSV	hsv(205, 83%, 49%)
CMYK	cmyk(83.1%, 34.7%, 0%, 51.4%)
CIE-LAB	lab(32.92, -2.38, -29.63)
CIE-LCH	lch(32.92, 29.73, 265.40°)
OKLab	oklab(42% -0.0394 -0.0842)
OKLCH	oklch(42% 0.093 244.9)
XYZ	xyz(6.8884, 7.4987, 20.1492)
Luminance	0.0750 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15517C #7C4015

analogous

#157C73 #15517C #151D7C

triadic

#15517C #7C1551 #517C15

tetradic

#15517C #73157C #7C4015 #1D7C15

square

#15517C #73157C #7C4015 #1D7C15

split-complementary

#15517C #7C151D #7C7315

monochromatic

#04111A #0C2F48 #15517C #1E73B0 #3094DC

Accessibility & contrast

On white

8.40

#15517C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#15517C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15517C

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15517C	#FFFFFF	#000000	##FFFFFF
##15517C	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D537E

Deuteranopia (green-blind)

#2E497B

Tritanopia (blue-blind)

#005B60

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #15517c;
/* rgb */ color: rgb(21, 81, 124);
/* oklch */ color: oklch(42.0% 0.093 244.9);

Tailwind

colors: {
  custom: {
    50: '#6581a2',
    500: '#15517c',
    950: '#000000',
  },
}

SCSS

$custom: #15517c;
$custom-light: #6581a2;
$custom-dark: #000000;

JSON

{
  "hex": "#15517c",
  "rgb": {
    "r": 21,
    "g": 81,
    "b": 124
  },
  "hsl": {
    "h": 205.049,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.41999,
    "c": 0.09301,
    "h": 244.9
  },
  "luminance": 0.075
}

Semantic roles & 50–950 ramp

primary

#15517C

secondary

#B16D3C

accent

#853AEE

background

#F6F7FA

surface

#EBEEF3

border

#C6C9CD

text

#060A0F

muted

#7A7C7F

Preview Lab

Preview with #15517C

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

Preview Lab → · Contrast checker → · Palette generator →