#15517B#15517B

#15517B is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 41.9% C 0.092 H 244.3°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#15517B
RGB	rgb(21, 81, 123)
HSL	hsl(205, 71%, 28%)
HSV	hsv(205, 83%, 48%)
CMYK	cmyk(82.9%, 34.1%, 0%, 51.8%)
CIE-LAB	lab(32.86, -2.78, -29.10)
CIE-LCH	lch(32.86, 29.23, 264.54°)
OKLab	oklab(41.94% -0.0398 -0.0827)
OKLCH	oklch(41.94% 0.092 244.3)
XYZ	xyz(6.8254, 7.4735, 19.8179)
Luminance	0.0747 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15517B #7B3F15

analogous

#157B72 #15517B #151E7B

triadic

#15517B #7B1551 #517B15

tetradic

#15517B #72157B #7B3F15 #1E7B15

square

#15517B #72157B #7B3F15 #1E7B15

split-complementary

#15517B #7B151E #7B7215

monochromatic

#04111A #0C2F47 #15517B #1E73AF #2F94DB

Accessibility & contrast

On white

8.42

#15517B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#15517B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15517B

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15517B	#FFFFFF	#000000	##FFFFFF
##15517B	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D527D

Deuteranopia (green-blind)

#2F497A

Tritanopia (blue-blind)

#005B60

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #15517b;
/* rgb */ color: rgb(21, 81, 123);
/* oklch */ color: oklch(41.9% 0.092 244.3);

Tailwind

colors: {
  custom: {
    50: '#6481a1',
    500: '#15517b',
    950: '#000000',
  },
}

SCSS

$custom: #15517b;
$custom-light: #6481a1;
$custom-dark: #000000;

JSON

{
  "hex": "#15517b",
  "rgb": {
    "r": 21,
    "g": 81,
    "b": 123
  },
  "hsl": {
    "h": 204.706,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.41937,
    "c": 0.09173,
    "h": 244.3
  },
  "luminance": 0.07474
}

Semantic roles & 50–950 ramp

primary

#15517B

secondary

#B06C3B

accent

#843AEE

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0F

muted

#7A7C7E

Preview Lab

Preview with #15517B

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

Preview Lab → · Contrast checker → · Palette generator →