#21A4C2#21A4C2

#21A4C2 is a light, moderate cyan. Relative luminance 0.308; OKLCH L 66.6% C 0.113 H 218.2°. Best body text is #000000 at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#21A4C2
RGB	rgb(33, 164, 194)
HSL	hsl(191, 71%, 45%)
HSV	hsv(191, 83%, 76%)
CMYK	cmyk(83%, 15.5%, 0%, 23.9%)
CIE-LAB	lab(62.31, -23.12, -24.96)
CIE-LCH	lch(62.31, 34.02, 227.19°)
OKLab	oklab(66.57% -0.0888 -0.0698)
OKLCH	oklch(66.57% 0.113 218.2)
XYZ	xyz(23.6361, 30.7663, 55.7212)
Luminance	0.3077 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A4C2 #C23F21

analogous

#21C290 #21A4C2 #2154C2

triadic

#21A4C2 #C221A4 #A4C221

tetradic

#21A4C2 #9021C2 #C23F21 #54C221

square

#21A4C2 #9021C2 #C23F21 #54C221

split-complementary

#21A4C2 #C22154 #C29021

monochromatic

#0F4C59 #18788E #21A4C2 #41C1DF #76D2E8

Accessibility & contrast

On white

2.94

#21A4C2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.15

#21A4C2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A4C2

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A4C2	#FFFFFF	#000000	##000000
##21A4C2	1.00	2.94	7.15	7.15
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.15	21.00	1.00	1.00
##000000	7.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#919FC4

Deuteranopia (green-blind)

#7C90C2

Tritanopia (blue-blind)

#00AEAE

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #21a4c2;
/* rgb */ color: rgb(33, 164, 194);
/* oklch */ color: oklch(66.6% 0.113 218.2);

Tailwind

colors: {
  custom: {
    50: '#7abfd4',
    500: '#21a4c2',
    950: '#000000',
  },
}

SCSS

$custom: #21a4c2;
$custom-light: #7abfd4;
$custom-dark: #000000;

JSON

{
  "hex": "#21a4c2",
  "rgb": {
    "r": 33,
    "g": 164,
    "b": 194
  },
  "hsl": {
    "h": 191.18,
    "s": 70.925,
    "l": 44.51
  },
  "oklch": {
    "l": 0.66575,
    "c": 0.11302,
    "h": 218.2
  },
  "luminance": 0.30769
}

Semantic roles & 50–950 ramp

primary

#21A4C2

secondary

#CF8270

accent

#5C3AEE

background

#F8FBFD

surface

#EFF7FA

border

#CAD0D3

text

#0B1214

muted

#7C8183

Preview Lab

Preview with #21A4C2

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

Preview Lab → · Contrast checker → · Palette generator →