#21A1BD#21A1BD

#21A1BD is a light, moderate cyan. Relative luminance 0.295; OKLCH L 65.6% C 0.110 H 217.2°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#21A1BD
RGB	rgb(33, 161, 189)
HSL	hsl(191, 70%, 44%)
HSV	hsv(191, 83%, 74%)
CMYK	cmyk(82.5%, 14.8%, 0%, 25.9%)
CIE-LAB	lab(61.21, -23.24, -23.85)
CIE-LCH	lch(61.21, 33.30, 225.74°)
OKLab	oklab(65.62% -0.088 -0.0667)
OKLCH	oklch(65.62% 0.11 217.2)
XYZ	xyz(22.5534, 29.4843, 52.6366)
Luminance	0.2949 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A1BD #BD3D21

analogous

#21BD8B #21A1BD #2153BD

triadic

#21A1BD #BD21A1 #A1BD21

tetradic

#21A1BD #8B21BD #BD3D21 #53BD21

square

#21A1BD #8B21BD #BD3D21 #53BD21

split-complementary

#21A1BD #BD2153 #BD8B21

monochromatic

#0F4855 #187589 #21A1BD #3EC1DD #72D1E6

Accessibility & contrast

On white

3.04

#21A1BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#21A1BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A1BD

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A1BD	#FFFFFF	#000000	##000000
##21A1BD	1.00	3.04	6.90	6.90
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.90	21.00	1.00	1.00
##000000	6.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9CBF

Deuteranopia (green-blind)

#7A8DBD

Tritanopia (blue-blind)

#00ABAA

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #21a1bd;
/* rgb */ color: rgb(33, 161, 189);
/* oklch */ color: oklch(65.6% 0.110 217.2);

Tailwind

colors: {
  custom: {
    50: '#79bdd1',
    500: '#21a1bd',
    950: '#000000',
  },
}

SCSS

$custom: #21a1bd;
$custom-light: #79bdd1;
$custom-dark: #000000;

JSON

{
  "hex": "#21a1bd",
  "rgb": {
    "r": 33,
    "g": 161,
    "b": 189
  },
  "hsl": {
    "h": 190.769,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.65624,
    "c": 0.11044,
    "h": 217.2
  },
  "luminance": 0.29487
}

Semantic roles & 50–950 ramp

primary

#21A1BD

secondary

#CD7E6D

accent

#5B3BED

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1214

muted

#7C8182

Preview Lab

Preview with #21A1BD

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

Preview Lab → · Contrast checker → · Palette generator →