#21648C#21648C

#21648C is a mid, moderate cyan. Relative luminance 0.113; OKLCH L 48.1% C 0.092 H 239.4°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX#21648C
RGBrgb(33, 100, 140)
HSLhsl(202, 62%, 34%)
HSVhsv(202, 76%, 55%)
CMYKcmyk(76.4%, 28.6%, 0%, 45.1%)
CIE-LABlab(40.13, -6.56, -28.05)
CIE-LCHlch(40.13, 28.80, 256.83°)
OKLaboklab(48.07% -0.0469 -0.0792)
OKLCHoklch(48.07% 0.092 239.4)
XYZxyz(9.9161, 11.3300, 26.4701)
Luminance0.1133 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21648C #8C4921
analogous
#218C7F #21648C #212F8C
triadic
#21648C #8C2164 #648C21
tetradic
#21648C #7F218C #8C4921 #2F8C21
square
#21648C #7F218C #8C4921 #2F8C21
split-complementary
#21648C #8C212F #8C7F21
monochromatic
#0A1D29 #15415A #21648C #2D87BE #51A4D6

Accessibility & contrast

On white

6.43
#21648C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.27
#21648C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21648C
6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21648C#FFFFFF#000000##FFFFFF
##21648C1.006.433.276.43
#FFFFFF6.431.0021.001.00
#0000003.2721.001.0021.00
##FFFFFF6.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#51648E
Deuteranopia (green-blind)
#435A8B
Tritanopia (blue-blind)
#006E72
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #21648c;
/* rgb */ color: rgb(33, 100, 140);
/* oklch */ color: oklch(48.1% 0.092 239.4);
Tailwind
colors: {
  custom: {
    50: '#6c90ae',
    500: '#21648c',
    950: '#000000',
  },
}
SCSS
$custom: #21648c;
$custom-light: #6c90ae;
$custom-dark: #000000;
JSON
{
  "hex": "#21648c",
  "rgb": {
    "r": 33,
    "g": 100,
    "b": 140
  },
  "hsl": {
    "h": 202.43,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.48066,
    "c": 0.09207,
    "h": 239.4
  },
  "luminance": 0.11331
}

Semantic roles & 50–950 ramp

primary
#21648C
secondary
#B9774F
accent
#7F43E5
background
#F7F8FA
surface
#EDF0F4
border
#C8CBCE
text
#080C10
muted
#7B7D7F

Preview Lab

Preview with #21648C

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

Preview Lab → · Contrast checker → · Palette generator →

#21648C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva