#21A7B3#21A7B3

#21A7B3 is a light, moderate teal. Relative luminance 0.312; OKLCH L 66.7% C 0.108 H 204.4°. Best body text is #000000 at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#21A7B3
RGB	rgb(33, 167, 179)
HSL	hsl(185, 69%, 42%)
HSV	hsv(185, 82%, 70%)
CMYK	cmyk(81.6%, 6.7%, 0%, 29.8%)
CIE-LAB	lab(62.69, -29.50, -15.99)
CIE-LCH	lch(62.69, 33.56, 208.46°)
OKLab	oklab(66.7% -0.0979 -0.0445)
OKLCH	oklch(66.7% 0.108 204.4)
XYZ	xyz(22.5789, 31.2126, 47.4737)
Luminance	0.3121 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A7B3 #B32D21

analogous

#21B376 #21A7B3 #215EB3

triadic

#21A7B3 #B321A7 #A7B321

tetradic

#21A7B3 #7621B3 #B32D21 #5EB321

square

#21A7B3 #7621B3 #B32D21 #5EB321

split-complementary

#21A7B3 #B3215E #B37621

monochromatic

#0E474C #17777F #21A7B3 #37CDDA #6BDAE4

Accessibility & contrast

On white

2.90

#21A7B3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.24

#21A7B3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A7B3

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A7B3	#FFFFFF	#000000	##000000
##21A7B3	1.00	2.90	7.24	7.24
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.24	21.00	1.00	1.00
##000000	7.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99A0B4

Deuteranopia (green-blind)

#8592B3

Tritanopia (blue-blind)

#00AEAA

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #21a7b3;
/* rgb */ color: rgb(33, 167, 179);
/* oklch */ color: oklch(66.7% 0.108 204.4);

Tailwind

colors: {
  custom: {
    50: '#78c1c9',
    500: '#21a7b3',
    950: '#000000',
  },
}

SCSS

$custom: #21a7b3;
$custom-light: #78c1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#21a7b3",
  "rgb": {
    "r": 33,
    "g": 167,
    "b": 179
  },
  "hsl": {
    "h": 184.932,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.667,
    "c": 0.10753,
    "h": 204.4
  },
  "luminance": 0.31215
}

Semantic roles & 50–950 ramp

primary

#21A7B3

secondary

#CA6E66

accent

#4B3CEC

background

#F8FBFC

surface

#EFF7F8

border

#CAD0D1

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #21A7B3

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

Preview Lab → · Contrast checker → · Palette generator →