#21A4A7#21A4A7

#21A4A7 is a light, moderate teal. Relative luminance 0.297; OKLCH L 65.5% C 0.105 H 197.3°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#21A4A7
RGB	rgb(33, 164, 167)
HSL	hsl(181, 67%, 39%)
HSV	hsv(181, 80%, 65%)
CMYK	cmyk(80.2%, 1.8%, 0%, 34.5%)
CIE-LAB	lab(61.36, -31.79, -11.25)
CIE-LCH	lch(61.36, 33.72, 199.49°)
OKLab	oklab(65.49% -0.1002 -0.0313)
OKLCH	oklch(65.49% 0.105 197.3)
XYZ	xyz(20.8745, 29.6616, 41.1768)
Luminance	0.2966 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A4A7 #A72421

analogous

#21A767 #21A4A7 #2161A7

triadic

#21A4A7 #A721A4 #A4A721

tetradic

#21A4A7 #6721A7 #A72421 #61A721

square

#21A4A7 #6721A7 #A72421 #61A721

split-complementary

#21A4A7 #A72161 #A76721

monochromatic

#0D4041 #177274 #21A4A7 #2FD2D6 #62DDE0

Accessibility & contrast

On white

3.03

#21A4A7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.93

#21A4A7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A4A7

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A4A7	#FFFFFF	#000000	##000000
##21A4A7	1.00	3.03	6.93	6.93
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.93	21.00	1.00	1.00
##000000	6.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#989CA7

Deuteranopia (green-blind)

#868EA8

Tritanopia (blue-blind)

#00AAA5

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #21a4a7;
/* rgb */ color: rgb(33, 164, 167);
/* oklch */ color: oklch(65.5% 0.105 197.3);

Tailwind

colors: {
  custom: {
    50: '#77bfc1',
    500: '#21a4a7',
    950: '#000000',
  },
}

SCSS

$custom: #21a4a7;
$custom-light: #77bfc1;
$custom-dark: #000000;

JSON

{
  "hex": "#21a4a7",
  "rgb": {
    "r": 33,
    "g": 164,
    "b": 167
  },
  "hsl": {
    "h": 181.343,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.65493,
    "c": 0.10501,
    "h": 197.3
  },
  "luminance": 0.29664
}

Semantic roles & 50–950 ramp

primary

#21A4A7

secondary

#C5615F

accent

#423EEA

background

#F7FBFB

surface

#EEF7F7

border

#C9D0D0

text

#0A1212

muted

#7C8181

Preview Lab

Preview with #21A4A7

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

Preview Lab → · Contrast checker → · Palette generator →