#21758D#21758D

#21758D is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 52.4% C 0.085 H 221.4°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX#21758D
RGBrgb(33, 117, 141)
HSLhsl(193, 62%, 34%)
HSVhsv(193, 77%, 55%)
CMYKcmyk(76.6%, 17%, 0%, 44.7%)
CIE-LABlab(45.59, -16.08, -20.17)
CIE-LCHlch(45.59, 25.80, 231.44°)
OKLaboklab(52.44% -0.064 -0.0564)
OKLCHoklch(52.44% 0.085 221.4)
XYZxyz(11.7942, 14.9676, 27.4616)
Luminance0.1497 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21758D #8D3921
analogous
#218D6F #21758D #213F8D
triadic
#21758D #8D2175 #758D21
tetradic
#21758D #6F218D #8D3921 #3F8D21
square
#21758D #6F218D #8D3921 #3F8D21
split-complementary
#21758D #8D213F #8D6F21
monochromatic
#0A232A #154C5B #21758D #2D9EBF #52B9D6

Accessibility & contrast

On white

5.26
#21758D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.99
#21758D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21758D
5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21758D#FFFFFF#000000##FFFFFF
##21758D1.005.263.995.26
#FFFFFF5.261.0021.001.00
#0000003.9921.001.0021.00
##FFFFFF5.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#67728E
Deuteranopia (green-blind)
#58678D
Tritanopia (blue-blind)
#007D7D
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #21758d;
/* rgb */ color: rgb(33, 117, 141);
/* oklch */ color: oklch(52.4% 0.085 221.4);
Tailwind
colors: {
  custom: {
    50: '#6e9dae',
    500: '#21758d',
    950: '#000000',
  },
}
SCSS
$custom: #21758d;
$custom-light: #6e9dae;
$custom-dark: #000000;
JSON
{
  "hex": "#21758d",
  "rgb": {
    "r": 33,
    "g": 117,
    "b": 141
  },
  "hsl": {
    "h": 193.333,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.52439,
    "c": 0.08535,
    "h": 221.4
  },
  "luminance": 0.14969
}

Semantic roles & 50–950 ramp

primary
#21758D
secondary
#BA6750
accent
#6743E5
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080E10
muted
#7B7E7F

Preview Lab

Preview with #21758D

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

Preview Lab → · Contrast checker → · Palette generator →

#21758D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva