#21679E#21679E

#21679E is a mid, moderate cyan. Relative luminance 0.125; OKLCH L 49.8% C 0.111 H 246.6°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX#21679E
RGBrgb(33, 103, 158)
HSLhsl(206, 65%, 37%)
HSVhsv(206, 79%, 62%)
CMYKcmyk(79.1%, 34.8%, 0%, 38%)
CIE-LABlab(41.99, -1.59, -35.89)
CIE-LCHlch(41.99, 35.93, 267.46°)
OKLaboklab(49.83% -0.0441 -0.1021)
OKLCHoklch(49.83% 0.111 246.6)
XYZxyz(11.6466, 12.4911, 34.1383)
Luminance0.1249 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21679E #9E5821
analogous
#219E97 #21679E #21299E
triadic
#21679E #9E2167 #679E21
tetradic
#21679E #97219E #9E5821 #299E21
square
#21679E #97219E #9E5821 #299E21
split-complementary
#21679E #9E2129 #9E9721
monochromatic
#0C2539 #16466B #21679E #2C88D1 #5CA4DD

Accessibility & contrast

On white

6.00
#21679E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.50
#21679E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21679E
6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21679E#FFFFFF#000000##FFFFFF
##21679E1.006.003.506.00
#FFFFFF6.001.0021.001.00
#0000003.5021.001.0021.00
##FFFFFF6.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4D69A0
Deuteranopia (green-blind)
#3B5E9D
Tritanopia (blue-blind)
#00747B
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #21679e;
/* rgb */ color: rgb(33, 103, 158);
/* oklch */ color: oklch(49.8% 0.111 246.6);
Tailwind
colors: {
  custom: {
    50: '#7092bb',
    500: '#21679e',
    950: '#000000',
  },
}
SCSS
$custom: #21679e;
$custom-light: #7092bb;
$custom-dark: #000000;
JSON
{
  "hex": "#21679e",
  "rgb": {
    "r": 33,
    "g": 103,
    "b": 158
  },
  "hsl": {
    "h": 206.4,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.49834,
    "c": 0.11117,
    "h": 246.6
  },
  "luminance": 0.12492
}

Semantic roles & 50–950 ramp

primary
#21679E
secondary
#C18759
accent
#8A3FE8
background
#F7F8FB
surface
#EDF0F6
border
#C8CBD0
text
#090C12
muted
#7B7D81

Preview Lab

Preview with #21679E

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

Preview Lab → · Contrast checker → · Palette generator →

#21679E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva