#15639E#15639E

#15639E is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.6% C 0.118 H 247.3°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#15639E
RGB	rgb(21, 99, 158)
HSL	hsl(206, 77%, 35%)
HSV	hsv(206, 87%, 62%)
CMYK	cmyk(86.7%, 37.3%, 0%, 38%)
CIE-LAB	lab(40.49, -0.28, -38.28)
CIE-LCH	lch(40.49, 38.28, 269.58°)
OKLab	oklab(48.58% -0.0458 -0.1092)
OKLCH	oklch(48.58% 0.118 247.3)
XYZ	xyz(10.9403, 11.5503, 33.9939)
Luminance	0.1155 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15639E #9E5015

analogous

#159E94 #15639E #151F9E

triadic

#15639E #9E1563 #639E15

tetradic

#15639E #94159E #9E5015 #1F9E15

square

#15639E #94159E #9E5015 #1F9E15

split-complementary

#15639E #9E151F #9E9415

monochromatic

#071F32 #0E4168 #15639E #1C85D4 #47A2E7

Accessibility & contrast

On white

6.34

#15639E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#15639E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #15639E

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15639E	#FFFFFF	#000000	##FFFFFF
##15639E	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4766A0

Deuteranopia (green-blind)

#325A9D

Tritanopia (blue-blind)

#007179

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #15639e;
/* rgb */ color: rgb(21, 99, 158);
/* oklch */ color: oklch(48.6% 0.118 247.3);

Tailwind

colors: {
  custom: {
    50: '#6d8fbb',
    500: '#15639e',
    950: '#000000',
  },
}

SCSS

$custom: #15639e;
$custom-light: #6d8fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#15639e",
  "rgb": {
    "r": 21,
    "g": 99,
    "b": 158
  },
  "hsl": {
    "h": 205.839,
    "s": 76.536,
    "l": 35.098
  },
  "oklch": {
    "l": 0.48584,
    "c": 0.11842,
    "h": 247.3
  },
  "luminance": 0.11552
}

Semantic roles & 50–950 ramp

primary

#15639E

secondary

#C77F47

accent

#8735F3

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080C12

muted

#7B7D81

Preview Lab

Preview with #15639E

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

Preview Lab → · Contrast checker → · Palette generator →