#21829E#21829E

#21829E is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.5% C 0.095 H 222.2°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#21829E
RGB	rgb(33, 130, 158)
HSL	hsl(193, 65%, 37%)
HSV	hsv(193, 79%, 62%)
CMYK	cmyk(79.1%, 17.7%, 0%, 38%)
CIE-LAB	lab(50.40, -17.34, -22.76)
CIE-LCH	lch(50.40, 28.61, 232.70°)
OKLab	oklab(56.53% -0.0704 -0.0637)
OKLCH	oklch(56.53% 0.095 222.2)
XYZ	xyz(14.7788, 18.7554, 35.1824)
Luminance	0.1876 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21829E #9E3D21

analogous

#219E7C #21829E #21449E

triadic

#21829E #9E2182 #829E21

tetradic

#21829E #7C219E #9E3D21 #449E21

square

#21829E #7C219E #9E3D21 #449E21

split-complementary

#21829E #9E2144 #9E7C21

monochromatic

#0C2F39 #16586B #21829E #2CACD1 #5CC0DD

Accessibility & contrast

On white

4.42

#21829E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#21829E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21829E

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21829E	#FFFFFF	#000000	##000000
##21829E	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727F9F

Deuteranopia (green-blind)

#61739E

Tritanopia (blue-blind)

#008B8B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #21829e;
/* rgb */ color: rgb(33, 130, 158);
/* oklch */ color: oklch(56.5% 0.095 222.2);

Tailwind

colors: {
  custom: {
    50: '#71a6ba',
    500: '#21829e',
    950: '#000000',
  },
}

SCSS

$custom: #21829e;
$custom-light: #71a6ba;
$custom-dark: #000000;

JSON

{
  "hex": "#21829e",
  "rgb": {
    "r": 33,
    "g": 130,
    "b": 158
  },
  "hsl": {
    "h": 193.44,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.56529,
    "c": 0.09496,
    "h": 222.2
  },
  "luminance": 0.18757
}

Semantic roles & 50–950 ramp

primary

#21829E

secondary

#C17159

accent

#653FE8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #21829E

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

Preview Lab → · Contrast checker → · Palette generator →