#21A7C2#21A7C2

#21A7C2 is a light, moderate cyan. Relative luminance 0.319; OKLCH L 67.3% C 0.113 H 215.7°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#21A7C2
RGB	rgb(33, 167, 194)
HSL	hsl(190, 71%, 45%)
HSV	hsv(190, 83%, 76%)
CMYK	cmyk(83%, 13.9%, 0%, 23.9%)
CIE-LAB	lab(63.22, -24.66, -23.56)
CIE-LCH	lch(63.22, 34.10, 223.70°)
OKLab	oklab(67.31% -0.0917 -0.0659)
OKLCH	oklch(67.31% 0.113 215.7)
XYZ	xyz(24.1793, 31.8527, 55.9023)
Luminance	0.3186 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A7C2 #C23C21

analogous

#21C28D #21A7C2 #2157C2

triadic

#21A7C2 #C221A7 #A7C221

tetradic

#21A7C2 #8D21C2 #C23C21 #57C221

square

#21A7C2 #8D21C2 #C23C21 #57C221

split-complementary

#21A7C2 #C22157 #C28D21

monochromatic

#0F4D59 #187A8E #21A7C2 #41C4DF #76D5E8

Accessibility & contrast

On white

2.85

#21A7C2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#21A7C2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A7C2

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A7C2	#FFFFFF	#000000	##000000
##21A7C2	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95A2C4

Deuteranopia (green-blind)

#8093C2

Tritanopia (blue-blind)

#00B1AF

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #21a7c2;
/* rgb */ color: rgb(33, 167, 194);
/* oklch */ color: oklch(67.3% 0.113 215.7);

Tailwind

colors: {
  custom: {
    50: '#7ac1d4',
    500: '#21a7c2',
    950: '#000000',
  },
}

SCSS

$custom: #21a7c2;
$custom-light: #7ac1d4;
$custom-dark: #000000;

JSON

{
  "hex": "#21a7c2",
  "rgb": {
    "r": 33,
    "g": 167,
    "b": 194
  },
  "hsl": {
    "h": 190.062,
    "s": 70.925,
    "l": 44.51
  },
  "oklch": {
    "l": 0.67309,
    "c": 0.11288,
    "h": 215.7
  },
  "luminance": 0.31856
}

Semantic roles & 50–950 ramp

primary

#21A7C2

secondary

#CF8070

accent

#583AEE

background

#F8FBFD

surface

#EFF7FA

border

#CAD0D3

text

#0B1214

muted

#7C8183

Preview Lab

Preview with #21A7C2

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

Preview Lab → · Contrast checker → · Palette generator →