#15579E#15579E

#15579E is a mid, vivid cyan. Relative luminance 0.094; OKLCH L 45.7% C 0.132 H 254.2°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#15579E
RGB	rgb(21, 87, 158)
HSL	hsl(211, 77%, 35%)
HSV	hsv(211, 87%, 62%)
CMYK	cmyk(86.7%, 44.9%, 0%, 38%)
CIE-LAB	lab(36.82, 7.46, -44.13)
CIE-LCH	lch(36.82, 44.76, 279.59°)
OKLab	oklab(45.72% -0.0358 -0.1267)
OKLCH	oklch(45.72% 0.132 254.2)
XYZ	xyz(9.8867, 9.4432, 33.6428)
Luminance	0.0944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15579E #9E5C15

analogous

#159B9E #15579E #18159E

triadic

#15579E #9E1557 #579E15

tetradic

#15579E #9E159B #9E5C15 #159E18

square

#15579E #9E159B #9E5C15 #159E18

split-complementary

#15579E #9E1815 #9B9E15

monochromatic

#071C32 #0E3968 #15579E #1C75D4 #4794E7

Accessibility & contrast

On white

7.27

#15579E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#15579E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15579E

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15579E	#FFFFFF	#000000	##FFFFFF
##15579E	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325DA1

Deuteranopia (green-blind)

#14519D

Tritanopia (blue-blind)

#006872

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #15579e;
/* rgb */ color: rgb(21, 87, 158);
/* oklch */ color: oklch(45.7% 0.132 254.2);

Tailwind

colors: {
  custom: {
    50: '#6d85bb',
    500: '#15579e',
    950: '#000000',
  },
}

SCSS

$custom: #15579e;
$custom-light: #6d85bb;
$custom-dark: #000000;

JSON

{
  "hex": "#15579e",
  "rgb": {
    "r": 21,
    "g": 87,
    "b": 158
  },
  "hsl": {
    "h": 211.095,
    "s": 76.536,
    "l": 35.098
  },
  "oklch": {
    "l": 0.45716,
    "c": 0.13163,
    "h": 254.2
  },
  "luminance": 0.09444
}

Semantic roles & 50–950 ramp

primary

#15579E

secondary

#C78A47

accent

#9735F3

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #15579E

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

Preview Lab → · Contrast checker → · Palette generator →