#21678B#21678B

#21678B is a mid, moderate cyan. Relative luminance 0.119; OKLCH L 48.8% C 0.089 H 235.6°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#21678B
RGB	rgb(33, 103, 139)
HSL	hsl(200, 62%, 34%)
HSV	hsv(200, 76%, 55%)
CMYK	cmyk(76.3%, 25.9%, 0%, 45.5%)
CIE-LAB	lab(41.04, -8.74, -26.03)
CIE-LCH	lch(41.04, 27.46, 251.45°)
OKLab	oklab(48.77% -0.0503 -0.0734)
OKLCH	oklch(48.77% 0.089 235.6)
XYZ	xyz(10.1358, 11.8867, 26.1813)
Luminance	0.1189 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21678B #8B4521

analogous

#218B7A #21678B #21328B

triadic

#21678B #8B2167 #678B21

tetradic

#21678B #7A218B #8B4521 #328B21

square

#21678B #7A218B #8B4521 #328B21

split-complementary

#21678B #8B2132 #8B7A21

monochromatic

#0A1E28 #15425A #21678B #2D8CBC #51A9D6

Accessibility & contrast

On white

6.22

#21678B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#21678B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21678B

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21678B	#FFFFFF	#000000	##FFFFFF
##21678B	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56668D

Deuteranopia (green-blind)

#475C8A

Tritanopia (blue-blind)

#007073

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #21678b;
/* rgb */ color: rgb(33, 103, 139);
/* oklch */ color: oklch(48.8% 0.089 235.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#21678b",
  "rgb": {
    "r": 33,
    "g": 103,
    "b": 139
  },
  "hsl": {
    "h": 200.377,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.48769,
    "c": 0.08896,
    "h": 235.6
  },
  "luminance": 0.11888
}

Semantic roles & 50–950 ramp

primary

#21678B

secondary

#B9734F

accent

#7A43E5

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080D10

muted

#7B7D7F

Preview Lab

Preview with #21678B

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

Preview Lab → · Contrast checker → · Palette generator →