#21678A#21678A

#21678A is a mid, moderate cyan. Relative luminance 0.119; OKLCH L 48.7% C 0.088 H 234.8°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX#21678A
RGBrgb(33, 103, 138)
HSLhsl(200, 61%, 34%)
HSVhsv(200, 76%, 54%)
CMYKcmyk(76.1%, 25.4%, 0%, 45.9%)
CIE-LABlab(40.99, -9.10, -25.50)
CIE-LCHlch(40.99, 27.08, 250.35°)
OKLaboklab(48.72% -0.0507 -0.0718)
OKLCHoklch(48.72% 0.088 234.8)
XYZxyz(10.0631, 11.8576, 25.7982)
Luminance0.1186 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21678A #8A4421
analogous
#218A78 #21678A #21328A
triadic
#21678A #8A2167 #678A21
tetradic
#21678A #78218A #8A4421 #328A21
square
#21678A #78218A #8A4421 #328A21
split-complementary
#21678A #8A2132 #8A7821
monochromatic
#091D27 #154259 #21678A #2D8CBB #50A9D5

Accessibility & contrast

On white

6.23
#21678A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.37
#21678A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21678A
6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21678A#FFFFFF#000000##FFFFFF
##21678A1.006.233.376.23
#FFFFFF6.231.0021.001.00
#0000003.3721.001.0021.00
##FFFFFF6.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#56668C
Deuteranopia (green-blind)
#485C89
Tritanopia (blue-blind)
#007073
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #21678a;
/* rgb */ color: rgb(33, 103, 138);
/* oklch */ color: oklch(48.7% 0.088 234.8);
Tailwind
colors: {
  custom: {
    50: '#6c92ac',
    500: '#21678a',
    950: '#000000',
  },
}
SCSS
$custom: #21678a;
$custom-light: #6c92ac;
$custom-dark: #000000;
JSON
{
  "hex": "#21678a",
  "rgb": {
    "r": 33,
    "g": 103,
    "b": 138
  },
  "hsl": {
    "h": 200,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.48717,
    "c": 0.08791,
    "h": 234.8
  },
  "luminance": 0.11859
}

Semantic roles & 50–950 ramp

primary
#21678A
secondary
#B9724E
accent
#7943E5
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#080D10
muted
#7A7D7F

Preview Lab

Preview with #21678A

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

Preview Lab → · Contrast checker → · Palette generator →

#21678A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva