#21829C#21829C

#21829C is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.4% C 0.094 H 220.5°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#21829C
RGB	rgb(33, 130, 156)
HSL	hsl(193, 65%, 37%)
HSV	hsv(193, 79%, 61%)
CMYK	cmyk(78.8%, 16.7%, 0%, 38.8%)
CIE-LAB	lab(50.32, -18.03, -21.72)
CIE-LCH	lch(50.32, 28.23, 230.30°)
OKLab	oklab(56.44% -0.0712 -0.0608)
OKLCH	oklch(56.44% 0.094 220.5)
XYZ	xyz(14.6081, 18.6871, 34.2831)
Luminance	0.1869 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21829C #9C3B21

analogous

#219C79 #21829C #21459C

triadic

#21829C #9C2182 #829C21

tetradic

#21829C #79219C #9C3B21 #459C21

square

#21829C #79219C #9C3B21 #459C21

split-complementary

#21829C #9C2145 #9C7921

monochromatic

#0C2E37 #165869 #21829C #2CACCF #5BC1DC

Accessibility & contrast

On white

4.43

#21829C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#21829C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21829C

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21829C	#FFFFFF	#000000	##000000
##21829C	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727E9D

Deuteranopia (green-blind)

#62739C

Tritanopia (blue-blind)

#008A8A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #21829c;
/* rgb */ color: rgb(33, 130, 156);
/* oklch */ color: oklch(56.4% 0.094 220.5);

Tailwind

colors: {
  custom: {
    50: '#71a6b9',
    500: '#21829c',
    950: '#000000',
  },
}

SCSS

$custom: #21829c;
$custom-light: #71a6b9;
$custom-dark: #000000;

JSON

{
  "hex": "#21829c",
  "rgb": {
    "r": 33,
    "g": 130,
    "b": 156
  },
  "hsl": {
    "h": 192.683,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.56438,
    "c": 0.0936,
    "h": 220.5
  },
  "luminance": 0.18689
}

Semantic roles & 50–950 ramp

primary

#21829C

secondary

#C16E58

accent

#6340E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #21829C

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

Preview Lab → · Contrast checker → · Palette generator →