#21678C#21678C

#21678C is a mid, moderate cyan. Relative luminance 0.119; OKLCH L 48.8% C 0.090 H 236.3°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#21678C
RGB	rgb(33, 103, 140)
HSL	hsl(201, 62%, 34%)
HSV	hsv(201, 76%, 55%)
CMYK	cmyk(76.4%, 26.4%, 0%, 45.1%)
CIE-LAB	lab(41.08, -8.37, -26.56)
CIE-LCH	lch(41.08, 27.85, 252.51°)
OKLab	oklab(48.82% -0.05 -0.0749)
OKLCH	oklch(48.82% 0.09 236.3)
XYZ	xyz(10.2092, 11.9161, 26.5678)
Luminance	0.1192 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21678C #8C4621

analogous

#218C7C #21678C #21318C

triadic

#21678C #8C2167 #678C21

tetradic

#21678C #7C218C #8C4621 #318C21

square

#21678C #7C218C #8C4621 #318C21

split-complementary

#21678C #8C2131 #8C7C21

monochromatic

#0A1E29 #15435A #21678C #2D8BBE #51A8D6

Accessibility & contrast

On white

6.21

#21678C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#21678C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21678C

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21678C	#FFFFFF	#000000	##FFFFFF
##21678C	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55678E

Deuteranopia (green-blind)

#475C8B

Tritanopia (blue-blind)

#007174

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #21678c;
/* rgb */ color: rgb(33, 103, 140);
/* oklch */ color: oklch(48.8% 0.090 236.3);

Tailwind

colors: {
  custom: {
    50: '#6c92ad',
    500: '#21678c',
    950: '#000000',
  },
}

SCSS

$custom: #21678c;
$custom-light: #6c92ad;
$custom-dark: #000000;

JSON

{
  "hex": "#21678c",
  "rgb": {
    "r": 33,
    "g": 103,
    "b": 140
  },
  "hsl": {
    "h": 200.748,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.48822,
    "c": 0.09003,
    "h": 236.3
  },
  "luminance": 0.11917
}

Semantic roles & 50–950 ramp

primary

#21678C

secondary

#B9744F

accent

#7B43E5

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080D10

muted

#7B7D7F

Preview Lab

Preview with #21678C

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

Preview Lab → · Contrast checker → · Palette generator →