#21829A#21829A

#21829A is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.3% C 0.092 H 218.8°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#21829A
RGB	rgb(33, 130, 154)
HSL	hsl(192, 65%, 37%)
HSV	hsv(192, 79%, 60%)
CMYK	cmyk(78.6%, 15.6%, 0%, 39.6%)
CIE-LAB	lab(50.24, -18.72, -20.68)
CIE-LCH	lch(50.24, 27.89, 227.84°)
OKLab	oklab(56.35% -0.072 -0.0578)
OKLCH	oklch(56.35% 0.092 218.8)
XYZ	xyz(14.4401, 18.6199, 33.3985)
Luminance	0.1862 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21829A #9A3921

analogous

#219A76 #21829A #21469A

triadic

#21829A #9A2182 #829A21

tetradic

#21829A #76219A #9A3921 #469A21

square

#21829A #76219A #9A3921 #469A21

split-complementary

#21829A #9A2146 #9A7621

monochromatic

#0B2D35 #165768 #21829A #2CADCC #5AC2DC

Accessibility & contrast

On white

4.45

#21829A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#21829A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21829A

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21829A	#FFFFFF	#000000	##000000
##21829A	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#737E9B

Deuteranopia (green-blind)

#63729A

Tritanopia (blue-blind)

#008A8A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #21829a;
/* rgb */ color: rgb(33, 130, 154);
/* oklch */ color: oklch(56.3% 0.092 218.8);

Tailwind

colors: {
  custom: {
    50: '#71a6b7',
    500: '#21829a',
    950: '#000000',
  },
}

SCSS

$custom: #21829a;
$custom-light: #71a6b7;
$custom-dark: #000000;

JSON

{
  "hex": "#21829a",
  "rgb": {
    "r": 33,
    "g": 130,
    "b": 154
  },
  "hsl": {
    "h": 191.901,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.56348,
    "c": 0.09234,
    "h": 218.8
  },
  "luminance": 0.18622
}

Semantic roles & 50–950 ramp

primary

#21829A

secondary

#C06C57

accent

#6140E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #21829A

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

Preview Lab → · Contrast checker → · Palette generator →