#21637A#21637A

#21637A is a mid, moderate cyan. Relative luminance 0.107; OKLCH L 46.9% C 0.075 H 225.1°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#21637A
RGB	rgb(33, 99, 122)
HSL	hsl(196, 57%, 30%)
HSV	hsv(196, 73%, 48%)
CMYK	cmyk(73%, 18.9%, 0%, 52.2%)
CIE-LAB	lab(38.99, -12.54, -18.91)
CIE-LCH	lch(38.99, 22.69, 236.45°)
OKLab	oklab(46.88% -0.0526 -0.0529)
OKLCH	oklch(46.88% 0.075 225.1)
XYZ	xyz(8.6005, 10.6512, 20.0112)
Luminance	0.1065 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21637A #7A3821

analogous

#217A64 #21637A #21367A

triadic

#21637A #7A2163 #637A21

tetradic

#21637A #64217A #7A3821 #367A21

square

#21637A #64217A #7A3821 #367A21

split-complementary

#21637A #7A2136 #7A6421

monochromatic

#07151A #143C4A #21637A #2E8AAA #48ABCD

Accessibility & contrast

On white

6.71

#21637A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#21637A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21637A

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21637A	#FFFFFF	#000000	##FFFFFF
##21637A	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56617B

Deuteranopia (green-blind)

#4A587A

Tritanopia (blue-blind)

#006A6A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #21637a;
/* rgb */ color: rgb(33, 99, 122);
/* oklch */ color: oklch(46.9% 0.075 225.1);

Tailwind

colors: {
  custom: {
    50: '#698fa0',
    500: '#21637a',
    950: '#000000',
  },
}

SCSS

$custom: #21637a;
$custom-light: #698fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#21637a",
  "rgb": {
    "r": 33,
    "g": 99,
    "b": 122
  },
  "hsl": {
    "h": 195.506,
    "s": 57.419,
    "l": 30.392
  },
  "oklch": {
    "l": 0.46883,
    "c": 0.07462,
    "h": 225.1
  },
  "luminance": 0.10652
}

Semantic roles & 50–950 ramp

primary

#21637A

secondary

#AD634A

accent

#6F47E1

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #21637A

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

Preview Lab → · Contrast checker → · Palette generator →