#21A2B3#21A2B3

#21A2B3 is a light, moderate teal. Relative luminance 0.294; OKLCH L 65.5% C 0.106 H 208.7°. Best body text is #000000 at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#21A2B3
RGB	rgb(33, 162, 179)
HSL	hsl(187, 69%, 42%)
HSV	hsv(187, 82%, 70%)
CMYK	cmyk(81.6%, 9.5%, 0%, 29.8%)
CIE-LAB	lab(61.15, -27.03, -18.32)
CIE-LCH	lch(61.15, 32.65, 214.14°)
OKLab	oklab(65.45% -0.0931 -0.0511)
OKLCH	oklch(65.45% 0.106 208.7)
XYZ	xyz(21.6806, 29.4159, 47.1742)
Luminance	0.2942 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A2B3 #B33221

analogous

#21B37B #21A2B3 #2159B3

triadic

#21A2B3 #B321A2 #A2B321

tetradic

#21A2B3 #7B21B3 #B33221 #59B321

square

#21A2B3 #7B21B3 #B33221 #59B321

split-complementary

#21A2B3 #B32159 #B37B21

monochromatic

#0E444C #17737F #21A2B3 #37C7DA #6BD6E4

Accessibility & contrast

On white

3.05

#21A2B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.88

#21A2B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A2B3

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A2B3	#FFFFFF	#000000	##000000
##21A2B3	1.00	3.05	6.88	6.88
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.88	21.00	1.00	1.00
##000000	6.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#939CB4

Deuteranopia (green-blind)

#7F8EB3

Tritanopia (blue-blind)

#00AAA7

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #21a2b3;
/* rgb */ color: rgb(33, 162, 179);
/* oklch */ color: oklch(65.5% 0.106 208.7);

Tailwind

colors: {
  custom: {
    50: '#78bec9',
    500: '#21a2b3',
    950: '#000000',
  },
}

SCSS

$custom: #21a2b3;
$custom-light: #78bec9;
$custom-dark: #000000;

JSON

{
  "hex": "#21a2b3",
  "rgb": {
    "r": 33,
    "g": 162,
    "b": 179
  },
  "hsl": {
    "h": 186.986,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.65454,
    "c": 0.10617,
    "h": 208.7
  },
  "luminance": 0.29419
}

Semantic roles & 50–950 ramp

primary

#21A2B3

secondary

#CA7266

accent

#513CEC

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #21A2B3

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

Preview Lab → · Contrast checker → · Palette generator →