#21A6C2#21A6C2

#21A6C2 is a light, moderate cyan. Relative luminance 0.315; OKLCH L 67.1% C 0.113 H 216.5°. Best body text is #000000 at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#21A6C2
RGB	rgb(33, 166, 194)
HSL	hsl(190, 71%, 45%)
HSV	hsv(190, 83%, 76%)
CMYK	cmyk(83%, 14.4%, 0%, 23.9%)
CIE-LAB	lab(62.92, -24.15, -24.02)
CIE-LCH	lch(62.92, 34.06, 224.86°)
OKLab	oklab(67.06% -0.0907 -0.0672)
OKLCH	oklch(67.06% 0.113 216.5)
XYZ	xyz(23.9968, 31.4878, 55.8415)
Luminance	0.3149 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A6C2 #C23D21

analogous

#21C28E #21A6C2 #2155C2

triadic

#21A6C2 #C221A6 #A6C221

tetradic

#21A6C2 #8E21C2 #C23D21 #55C221

square

#21A6C2 #8E21C2 #C23D21 #55C221

split-complementary

#21A6C2 #C22155 #C28E21

monochromatic

#0F4C59 #18798E #21A6C2 #41C3DF #76D4E8

Accessibility & contrast

On white

2.88

#21A6C2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.30

#21A6C2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A6C2

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A6C2	#FFFFFF	#000000	##000000
##21A6C2	1.00	2.88	7.30	7.30
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.30	21.00	1.00	1.00
##000000	7.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93A1C4

Deuteranopia (green-blind)

#7F92C2

Tritanopia (blue-blind)

#00B0AF

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #21a6c2;
/* rgb */ color: rgb(33, 166, 194);
/* oklch */ color: oklch(67.1% 0.113 216.5);

Tailwind

colors: {
  custom: {
    50: '#7ac0d4',
    500: '#21a6c2',
    950: '#000000',
  },
}

SCSS

$custom: #21a6c2;
$custom-light: #7ac0d4;
$custom-dark: #000000;

JSON

{
  "hex": "#21a6c2",
  "rgb": {
    "r": 33,
    "g": 166,
    "b": 194
  },
  "hsl": {
    "h": 190.435,
    "s": 70.925,
    "l": 44.51
  },
  "oklch": {
    "l": 0.67064,
    "c": 0.1129,
    "h": 216.5
  },
  "luminance": 0.31491
}

Semantic roles & 50–950 ramp

primary

#21A6C2

secondary

#CF8070

accent

#593AEE

background

#F8FBFD

surface

#EFF7FA

border

#CAD0D3

text

#0B1214

muted

#7C8183

Preview Lab

Preview with #21A6C2

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

Preview Lab → · Contrast checker → · Palette generator →