#21618C#21618C

#21618C is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.3% C 0.094 H 242.3°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#21618C
RGB	rgb(33, 97, 140)
HSL	hsl(204, 62%, 34%)
HSV	hsv(204, 76%, 55%)
CMYK	cmyk(76.4%, 30.7%, 0%, 45.1%)
CIE-LAB	lab(39.18, -4.73, -29.53)
CIE-LCH	lch(39.18, 29.91, 260.90°)
OKLab	oklab(47.32% -0.0438 -0.0836)
OKLCH	oklch(47.32% 0.094 242.3)
XYZ	xyz(9.6337, 10.7651, 26.3760)
Luminance	0.1077 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21618C #8C4C21

analogous

#218C82 #21618C #212C8C

triadic

#21618C #8C2161 #618C21

tetradic

#21618C #82218C #8C4C21 #2C8C21

square

#21618C #82218C #8C4C21 #2C8C21

split-complementary

#21618C #8C212C #8C8221

monochromatic

#0A1C29 #153F5A #21618C #2D83BE #51A1D6

Accessibility & contrast

On white

6.66

#21618C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#21618C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21618C

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21618C	#FFFFFF	#000000	##FFFFFF
##21618C	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D628E

Deuteranopia (green-blind)

#3E588B

Tritanopia (blue-blind)

#006C70

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #21618c;
/* rgb */ color: rgb(33, 97, 140);
/* oklch */ color: oklch(47.3% 0.094 242.3);

Tailwind

colors: {
  custom: {
    50: '#6c8dae',
    500: '#21618c',
    950: '#000000',
  },
}

SCSS

$custom: #21618c;
$custom-light: #6c8dae;
$custom-dark: #000000;

JSON

{
  "hex": "#21618c",
  "rgb": {
    "r": 33,
    "g": 97,
    "b": 140
  },
  "hsl": {
    "h": 204.112,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.47315,
    "c": 0.09439,
    "h": 242.3
  },
  "luminance": 0.10766
}

Semantic roles & 50–950 ramp

primary

#21618C

secondary

#B97A4F

accent

#8443E5

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #21618C

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

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