#21677F#21677F

#21677F is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.2% C 0.078 H 225.0°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX#21677F
RGBrgb(33, 103, 127)
HSLhsl(195, 59%, 31%)
HSVhsv(195, 74%, 50%)
CMYKcmyk(74%, 18.9%, 0%, 50.2%)
CIE-LABlab(40.50, -13.08, -19.61)
CIE-LCHlch(40.50, 23.58, 236.30°)
OKLaboklab(48.17% -0.0549 -0.0549)
OKLCHoklch(48.17% 0.078 225)
XYZxyz(9.3066, 11.5551, 21.8144)
Luminance0.1156 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21677F #7F3921
analogous
#217F68 #21677F #21387F
triadic
#21677F #7F2167 #677F21
tetradic
#21677F #68217F #7F3921 #387F21
square
#21677F #68217F #7F3921 #387F21
split-complementary
#21677F #7F2138 #7F6821
monochromatic
#08181E #14404E #21677F #2E8EB0 #4AAED0

Accessibility & contrast

On white

6.34
#21677F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.31
#21677F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21677F
6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21677F#FFFFFF#000000##FFFFFF
##21677F1.006.343.316.34
#FFFFFF6.341.0021.001.00
#0000003.3121.001.0021.00
##FFFFFF6.341.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A6580
Deuteranopia (green-blind)
#4D5B7F
Tritanopia (blue-blind)
#006E6F
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #21677f;
/* rgb */ color: rgb(33, 103, 127);
/* oklch */ color: oklch(48.2% 0.078 225.0);
Tailwind
colors: {
  custom: {
    50: '#6a92a4',
    500: '#21677f',
    950: '#000000',
  },
}
SCSS
$custom: #21677f;
$custom-light: #6a92a4;
$custom-dark: #000000;
JSON
{
  "hex": "#21677f",
  "rgb": {
    "r": 33,
    "g": 103,
    "b": 127
  },
  "hsl": {
    "h": 195.319,
    "s": 58.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.48165,
    "c": 0.07767,
    "h": 225
  },
  "luminance": 0.11556
}

Semantic roles & 50–950 ramp

primary
#21677F
secondary
#B2654A
accent
#6E46E2
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#070D0F
muted
#7A7D7F

Preview Lab

Preview with #21677F

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

Preview Lab → · Contrast checker → · Palette generator →

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