#21A6B3#21A6B3

#21A6B3 is a light, moderate teal. Relative luminance 0.308; OKLCH L 66.5% C 0.107 H 205.3°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#21A6B3
RGB	rgb(33, 166, 179)
HSL	hsl(185, 69%, 42%)
HSV	hsv(185, 82%, 70%)
CMYK	cmyk(81.6%, 7.3%, 0%, 29.8%)
CIE-LAB	lab(62.38, -29.01, -16.46)
CIE-LCH	lch(62.38, 33.35, 209.56°)
OKLab	oklab(66.45% -0.0969 -0.0458)
OKLCH	oklch(66.45% 0.107 205.3)
XYZ	xyz(22.3965, 30.8476, 47.4129)
Luminance	0.3085 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A6B3 #B32E21

analogous

#21B377 #21A6B3 #215DB3

triadic

#21A6B3 #B321A6 #A6B321

tetradic

#21A6B3 #7721B3 #B32E21 #5DB321

square

#21A6B3 #7721B3 #B32E21 #5DB321

split-complementary

#21A6B3 #B3215D #B37721

monochromatic

#0E464C #17767F #21A6B3 #37CCDA #6BD9E4

Accessibility & contrast

On white

2.93

#21A6B3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.17

#21A6B3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A6B3

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A6B3	#FFFFFF	#000000	##000000
##21A6B3	1.00	2.93	7.17	7.17
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.17	21.00	1.00	1.00
##000000	7.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#979FB4

Deuteranopia (green-blind)

#8491B3

Tritanopia (blue-blind)

#00ADAA

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #21a6b3;
/* rgb */ color: rgb(33, 166, 179);
/* oklch */ color: oklch(66.5% 0.107 205.3);

Tailwind

colors: {
  custom: {
    50: '#78c1c9',
    500: '#21a6b3',
    950: '#000000',
  },
}

SCSS

$custom: #21a6b3;
$custom-light: #78c1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#21a6b3",
  "rgb": {
    "r": 33,
    "g": 166,
    "b": 179
  },
  "hsl": {
    "h": 185.342,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.66451,
    "c": 0.10721,
    "h": 205.3
  },
  "luminance": 0.3085
}

Semantic roles & 50–950 ramp

primary

#21A6B3

secondary

#CA6F66

accent

#4C3CEC

background

#F8FBFC

surface

#EFF7F8

border

#CAD0D1

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #21A6B3

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

Preview Lab → · Contrast checker → · Palette generator →