#21699C#21699C

#21699C is a mid, moderate cyan. Relative luminance 0.128; OKLCH L 50.2% C 0.107 H 244.2°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX#21699C
RGBrgb(33, 105, 156)
HSLhsl(205, 65%, 37%)
HSVhsv(205, 79%, 61%)
CMYKcmyk(78.8%, 32.7%, 0%, 38.8%)
CIE-LABlab(42.50, -3.59, -33.90)
CIE-LCHlch(42.50, 34.09, 263.96°)
OKLaboklab(50.2% -0.0466 -0.0962)
OKLCHoklch(50.2% 0.107 244.2)
XYZxyz(11.6772, 12.8254, 33.3062)
Luminance0.1283 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21699C #9C5421
analogous
#219C92 #21699C #212C9C
triadic
#21699C #9C2169 #699C21
tetradic
#21699C #92219C #9C5421 #2C9C21
square
#21699C #92219C #9C5421 #2C9C21
split-complementary
#21699C #9C212C #9C9221
monochromatic
#0C2537 #164769 #21699C #2C8BCF #5BA7DC

Accessibility & contrast

On white

5.89
#21699C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.57
#21699C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21699C
5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21699C#FFFFFF#000000##FFFFFF
##21699C1.005.893.575.89
#FFFFFF5.891.0021.001.00
#0000003.5721.001.0021.00
##FFFFFF5.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#516B9E
Deuteranopia (green-blind)
#405F9B
Tritanopia (blue-blind)
#00757B
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #21699c;
/* rgb */ color: rgb(33, 105, 156);
/* oklch */ color: oklch(50.2% 0.107 244.2);
Tailwind
colors: {
  custom: {
    50: '#7093b9',
    500: '#21699c',
    950: '#000000',
  },
}
SCSS
$custom: #21699c;
$custom-light: #7093b9;
$custom-dark: #000000;
JSON
{
  "hex": "#21699c",
  "rgb": {
    "r": 33,
    "g": 105,
    "b": 156
  },
  "hsl": {
    "h": 204.878,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.50204,
    "c": 0.10688,
    "h": 244.2
  },
  "luminance": 0.12827
}

Semantic roles & 50–950 ramp

primary
#21699C
secondary
#C18358
accent
#8640E8
background
#F7F9FB
surface
#EDF1F6
border
#C8CBD0
text
#090D11
muted
#7B7E80

Preview Lab

Preview with #21699C

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

Preview Lab → · Contrast checker → · Palette generator →

#21699C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva