#15637E#15637E

#15637E is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 46.8% C 0.083 H 226.9°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#15637E
RGB	rgb(21, 99, 126)
HSL	hsl(195, 71%, 29%)
HSV	hsv(195, 83%, 49%)
CMYK	cmyk(83.3%, 21.4%, 0%, 50.6%)
CIE-LAB	lab(38.88, -12.64, -21.54)
CIE-LCH	lch(38.88, 24.97, 239.59°)
OKLab	oklab(46.77% -0.0567 -0.0605)
OKLCH	oklch(46.77% 0.083 226.9)
XYZ	xyz(8.5354, 10.5884, 21.3285)
Luminance	0.1059 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15637E #7E3015

analogous

#157E65 #15637E #152E7E

triadic

#15637E #7E1563 #637E15

tetradic

#15637E #65157E #7E3015 #2E7E15

square

#15637E #65157E #7E3015 #2E7E15

split-complementary

#15637E #7E152E #7E6515

monochromatic

#04151A #0C3A4A #15637E #1E8CB2 #31B0DD

Accessibility & contrast

On white

6.74

#15637E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#15637E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #15637E

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15637E	#FFFFFF	#000000	##FFFFFF
##15637E	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54617F

Deuteranopia (green-blind)

#47577E

Tritanopia (blue-blind)

#006B6C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #15637e;
/* rgb */ color: rgb(21, 99, 126);
/* oklch */ color: oklch(46.8% 0.083 226.9);

Tailwind

colors: {
  custom: {
    50: '#668fa3',
    500: '#15637e',
    950: '#000000',
  },
}

SCSS

$custom: #15637e;
$custom-light: #668fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#15637e",
  "rgb": {
    "r": 21,
    "g": 99,
    "b": 126
  },
  "hsl": {
    "h": 195.429,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.46774,
    "c": 0.0829,
    "h": 226.9
  },
  "luminance": 0.10589
}

Semantic roles & 50–950 ramp

primary

#15637E

secondary

#B35A3C

accent

#683AEE

background

#F6F8FA

surface

#EBF0F3

border

#C6CBCD

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #15637E

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

Preview Lab → · Contrast checker → · Palette generator →