#21688E#21688E

#21688E is a mid, moderate cyan. Relative luminance 0.122; OKLCH L 49.2% C 0.092 H 236.7°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX#21688E
RGBrgb(33, 104, 142)
HSLhsl(201, 62%, 34%)
HSVhsv(201, 77%, 56%)
CMYKcmyk(76.8%, 26.8%, 0%, 44.3%)
CIE-LABlab(41.49, -8.23, -27.12)
CIE-LCHlch(41.49, 28.34, 253.13°)
OKLaboklab(49.18% -0.0503 -0.0765)
OKLCHoklch(49.18% 0.092 236.7)
XYZxyz(10.4581, 12.1757, 27.3849)
Luminance0.1218 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21688E #8E4721
analogous
#218E7E #21688E #21328E
triadic
#21688E #8E2168 #688E21
tetradic
#21688E #7E218E #8E4721 #328E21
square
#21688E #7E218E #8E4721 #328E21
split-complementary
#21688E #8E2132 #8E7E21
monochromatic
#0A1F2B #15445C #21688E #2D8CC0 #52A9D7

Accessibility & contrast

On white

6.11
#21688E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.44
#21688E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21688E
6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21688E#FFFFFF#000000##FFFFFF
##21688E1.006.113.446.11
#FFFFFF6.111.0021.001.00
#0000003.4421.001.0021.00
##FFFFFF6.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#566890
Deuteranopia (green-blind)
#475D8D
Tritanopia (blue-blind)
#007275
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #21688e;
/* rgb */ color: rgb(33, 104, 142);
/* oklch */ color: oklch(49.2% 0.092 236.7);
Tailwind
colors: {
  custom: {
    50: '#6d93af',
    500: '#21688e',
    950: '#000000',
  },
}
SCSS
$custom: #21688e;
$custom-light: #6d93af;
$custom-dark: #000000;
JSON
{
  "hex": "#21688e",
  "rgb": {
    "r": 33,
    "g": 104,
    "b": 142
  },
  "hsl": {
    "h": 200.917,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.49181,
    "c": 0.09153,
    "h": 236.7
  },
  "luminance": 0.12177
}

Semantic roles & 50–950 ramp

primary
#21688E
secondary
#BA7550
accent
#7B42E5
background
#F7F9FA
surface
#EDF1F4
border
#C8CBCE
text
#080D10
muted
#7B7E7F

Preview Lab

Preview with #21688E

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

Preview Lab → · Contrast checker → · Palette generator →

#21688E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva