#21759A#21759A

#21759A is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.1% C 0.096 H 232.2°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX#21759A
RGBrgb(33, 117, 154)
HSLhsl(198, 65%, 37%)
HSVhsv(198, 79%, 60%)
CMYKcmyk(78.6%, 24%, 0%, 39.6%)
CIE-LABlab(46.15, -11.46, -27.00)
CIE-LCHlch(46.15, 29.33, 247.00°)
OKLaboklab(53.07% -0.059 -0.076)
OKLCHoklch(53.07% 0.096 232.2)
XYZxyz(12.8189, 15.3775, 32.8581)
Luminance0.1538 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21759A #9A4621
analogous
#219A83 #21759A #21399A
triadic
#21759A #9A2175 #759A21
tetradic
#21759A #83219A #9A4621 #399A21
square
#21759A #83219A #9A4621 #399A21
split-complementary
#21759A #9A2139 #9A8321
monochromatic
#0B2835 #164F68 #21759A #2C9BCC #5AB4DC

Accessibility & contrast

On white

5.15
#21759A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.08
#21759A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21759A
5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21759A#FFFFFF#000000##FFFFFF
##21759A1.005.154.085.15
#FFFFFF5.151.0021.001.00
#0000004.0821.001.0021.00
##FFFFFF5.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#62749C
Deuteranopia (green-blind)
#526899
Tritanopia (blue-blind)
#007F81
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #21759a;
/* rgb */ color: rgb(33, 117, 154);
/* oklch */ color: oklch(53.1% 0.096 232.2);
Tailwind
colors: {
  custom: {
    50: '#709cb8',
    500: '#21759a',
    950: '#000000',
  },
}
SCSS
$custom: #21759a;
$custom-light: #709cb8;
$custom-dark: #000000;
JSON
{
  "hex": "#21759a",
  "rgb": {
    "r": 33,
    "g": 117,
    "b": 154
  },
  "hsl": {
    "h": 198.347,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.53069,
    "c": 0.09622,
    "h": 232.2
  },
  "luminance": 0.15379
}

Semantic roles & 50–950 ramp

primary
#21759A
secondary
#C07757
accent
#7340E8
background
#F7F9FB
surface
#EDF2F6
border
#C8CCD0
text
#090E11
muted
#7B7E80

Preview Lab

Preview with #21759A

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

Preview Lab → · Contrast checker → · Palette generator →

#21759A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva