#21659C#21659C

#21659C is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 49.2% C 0.111 H 247.2°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX#21659C
RGBrgb(33, 101, 156)
HSLhsl(207, 65%, 37%)
HSVhsv(207, 79%, 61%)
CMYKcmyk(78.8%, 35.3%, 0%, 38.8%)
CIE-LABlab(41.26, -1.12, -35.85)
CIE-LCHlch(41.26, 35.87, 268.21°)
OKLaboklab(49.23% -0.0428 -0.102)
OKLCHoklch(49.23% 0.111 247.2)
XYZxyz(11.2793, 12.0297, 33.1735)
Luminance0.1203 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21659C #9C5821
analogous
#219C95 #21659C #21289C
triadic
#21659C #9C2165 #659C21
tetradic
#21659C #95219C #9C5821 #289C21
square
#21659C #95219C #9C5821 #289C21
split-complementary
#21659C #9C2128 #9C9521
monochromatic
#0C2437 #164469 #21659C #2C86CF #5BA3DC

Accessibility & contrast

On white

6.17
#21659C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.41
#21659C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21659C
6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21659C#FFFFFF#000000##FFFFFF
##21659C1.006.173.416.17
#FFFFFF6.171.0021.001.00
#0000003.4121.001.0021.00
##FFFFFF6.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B689E
Deuteranopia (green-blind)
#3A5C9B
Tritanopia (blue-blind)
#007279
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #21659c;
/* rgb */ color: rgb(33, 101, 156);
/* oklch */ color: oklch(49.2% 0.111 247.2);
Tailwind
colors: {
  custom: {
    50: '#6f90b9',
    500: '#21659c',
    950: '#000000',
  },
}
SCSS
$custom: #21659c;
$custom-light: #6f90b9;
$custom-dark: #000000;
JSON
{
  "hex": "#21659c",
  "rgb": {
    "r": 33,
    "g": 101,
    "b": 156
  },
  "hsl": {
    "h": 206.829,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.4923,
    "c": 0.11057,
    "h": 247.2
  },
  "luminance": 0.12031
}

Semantic roles & 50–950 ramp

primary
#21659C
secondary
#C18758
accent
#8B40E8
background
#F7F8FB
surface
#EDF0F6
border
#C8CBD0
text
#090C11
muted
#7B7D80

Preview Lab

Preview with #21659C

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

Preview Lab → · Contrast checker → · Palette generator →

#21659C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva