#21677C#21677C

#21677C is a mid, moderate cyan. Relative luminance 0.115; OKLCH L 48.0% C 0.075 H 221.8°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX#21677C
RGBrgb(33, 103, 124)
HSLhsl(194, 58%, 31%)
HSVhsv(194, 73%, 49%)
CMYKcmyk(73.4%, 16.9%, 0%, 51.4%)
CIE-LABlab(40.37, -14.14, -17.99)
CIE-LCHlch(40.37, 22.88, 231.84°)
OKLaboklab(48.02% -0.0562 -0.0503)
OKLCHoklch(48.02% 0.075 221.8)
XYZxyz(9.1140, 11.4780, 20.8000)
Luminance0.1148 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21677C #7C3621
analogous
#217C63 #21677C #21397C
triadic
#21677C #7C2167 #677C21
tetradic
#21677C #63217C #7C3621 #397C21
square
#21677C #63217C #7C3621 #397C21
split-complementary
#21677C #7C2139 #7C6321
monochromatic
#07171B #143F4C #21677C #2E8FAC #49B0CF

Accessibility & contrast

On white

6.37
#21677C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.30
#21677C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21677C
6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21677C#FFFFFF#000000##FFFFFF
##21677C1.006.373.306.37
#FFFFFF6.371.0021.001.00
#0000003.3021.001.0021.00
##FFFFFF6.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B647D
Deuteranopia (green-blind)
#4E5B7C
Tritanopia (blue-blind)
#006E6E
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #21677c;
/* rgb */ color: rgb(33, 103, 124);
/* oklch */ color: oklch(48.0% 0.075 221.8);
Tailwind
colors: {
  custom: {
    50: '#6a92a2',
    500: '#21677c',
    950: '#000000',
  },
}
SCSS
$custom: #21677c;
$custom-light: #6a92a2;
$custom-dark: #000000;
JSON
{
  "hex": "#21677c",
  "rgb": {
    "r": 33,
    "g": 103,
    "b": 124
  },
  "hsl": {
    "h": 193.846,
    "s": 57.962,
    "l": 30.784
  },
  "oklch": {
    "l": 0.48023,
    "c": 0.07538,
    "h": 221.8
  },
  "luminance": 0.11479
}

Semantic roles & 50–950 ramp

primary
#21677C
secondary
#AF614A
accent
#6A47E1
background
#F6F9F9
surface
#ECF1F2
border
#C7CBCC
text
#070D0F
muted
#7A7E7E

Preview Lab

Preview with #21677C

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

Preview Lab → · Contrast checker → · Palette generator →

#21677C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva