#15637A#15637A

#15637A is a mid, moderate cyan. Relative luminance 0.105; OKLCH L 46.6% C 0.080 H 223.0°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#15637A
RGB	rgb(21, 99, 122)
HSL	hsl(194, 71%, 28%)
HSV	hsv(194, 83%, 48%)
CMYK	cmyk(82.8%, 18.9%, 0%, 52.2%)
CIE-LAB	lab(38.70, -14.12, -19.37)
CIE-LCH	lch(38.70, 23.97, 233.91°)
OKLab	oklab(46.58% -0.0583 -0.0543)
OKLCH	oklch(46.58% 0.08 223)
XYZ	xyz(8.2825, 10.4872, 19.9963)
Luminance	0.1049 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15637A #7A2C15

analogous

#157A5E #15637A #15317A

triadic

#15637A #7A1563 #637A15

tetradic

#15637A #5E157A #7A2C15 #317A15

square

#15637A #5E157A #7A2C15 #317A15

split-complementary

#15637A #7A1531 #7A5E15

monochromatic

#04151A #0C3946 #15637A #1E8DAE #2EB4DB

Accessibility & contrast

On white

6.78

#15637A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#15637A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #15637A

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15637A	#FFFFFF	#000000	##FFFFFF
##15637A	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56617B

Deuteranopia (green-blind)

#49577A

Tritanopia (blue-blind)

#006A6A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #15637a;
/* rgb */ color: rgb(21, 99, 122);
/* oklch */ color: oklch(46.6% 0.080 223.0);

Tailwind

colors: {
  custom: {
    50: '#658fa0',
    500: '#15637a',
    950: '#000000',
  },
}

SCSS

$custom: #15637a;
$custom-light: #658fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#15637a",
  "rgb": {
    "r": 21,
    "g": 99,
    "b": 122
  },
  "hsl": {
    "h": 193.663,
    "s": 70.629,
    "l": 28.039
  },
  "oklch": {
    "l": 0.46575,
    "c": 0.07966,
    "h": 223
  },
  "luminance": 0.10488
}

Semantic roles & 50–950 ramp

primary

#15637A

secondary

#AF563B

accent

#633AED

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #15637A

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

Preview Lab → · Contrast checker → · Palette generator →