#21697C#21697C

#21697C is a mid, moderate cyan. Relative luminance 0.119; OKLCH L 48.5% C 0.075 H 219.1°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX#21697C
RGBrgb(33, 105, 124)
HSLhsl(193, 58%, 31%)
HSVhsv(193, 73%, 49%)
CMYKcmyk(73.4%, 15.3%, 0%, 51.4%)
CIE-LABlab(41.03, -15.27, -16.99)
CIE-LCHlch(41.03, 22.84, 228.04°)
OKLaboklab(48.55% -0.0584 -0.0474)
OKLCHoklch(48.55% 0.075 219.1)
XYZxyz(9.3154, 11.8807, 20.8671)
Luminance0.1188 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21697C #7C3421
analogous
#217C61 #21697C #213C7C
triadic
#21697C #7C2169 #697C21
tetradic
#21697C #61217C #7C3421 #3C7C21
square
#21697C #61217C #7C3421 #3C7C21
split-complementary
#21697C #7C213C #7C6121
monochromatic
#07171B #14404C #21697C #2E92AC #49B3CF

Accessibility & contrast

On white

6.22
#21697C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.38
#21697C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21697C
6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21697C#FFFFFF#000000##FFFFFF
##21697C1.006.223.386.22
#FFFFFF6.221.0021.001.00
#0000003.3821.001.0021.00
##FFFFFF6.221.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D667D
Deuteranopia (green-blind)
#505D7C
Tritanopia (blue-blind)
#006F6F
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #21697c;
/* rgb */ color: rgb(33, 105, 124);
/* oklch */ color: oklch(48.5% 0.075 219.1);
Tailwind
colors: {
  custom: {
    50: '#6a94a2',
    500: '#21697c',
    950: '#000000',
  },
}
SCSS
$custom: #21697c;
$custom-light: #6a94a2;
$custom-dark: #000000;
JSON
{
  "hex": "#21697c",
  "rgb": {
    "r": 33,
    "g": 105,
    "b": 124
  },
  "hsl": {
    "h": 192.527,
    "s": 57.962,
    "l": 30.784
  },
  "oklch": {
    "l": 0.48546,
    "c": 0.07519,
    "h": 219.1
  },
  "luminance": 0.11882
}

Semantic roles & 50–950 ramp

primary
#21697C
secondary
#AF5F4A
accent
#6747E1
background
#F6F9F9
surface
#ECF1F2
border
#C7CBCC
text
#070D0F
muted
#7A7E7E

Preview Lab

Preview with #21697C

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

Preview Lab → · Contrast checker → · Palette generator →

#21697C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva