#21697B#21697B

#21697B is a mid, moderate cyan. Relative luminance 0.119; OKLCH L 48.5% C 0.075 H 218.0°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX#21697B
RGBrgb(33, 105, 123)
HSLhsl(192, 58%, 31%)
HSVhsv(192, 73%, 48%)
CMYKcmyk(73.2%, 14.6%, 0%, 51.8%)
CIE-LABlab(40.99, -15.62, -16.44)
CIE-LCHlch(40.99, 22.68, 226.47°)
OKLaboklab(48.5% -0.0588 -0.0459)
OKLCHoklch(48.5% 0.075 218)
XYZxyz(9.2524, 11.8555, 20.5358)
Luminance0.1186 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21697B #7B3321
analogous
#217B60 #21697B #213C7B
triadic
#21697B #7B2169 #697B21
tetradic
#21697B #60217B #7B3321 #3C7B21
square
#21697B #60217B #7B3321 #3C7B21
split-complementary
#21697B #7B213C #7B6021
monochromatic
#07171A #14404B #21697B #2E92AB #48B3CE

Accessibility & contrast

On white

6.23
#21697B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.37
#21697B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21697B
6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21697B#FFFFFF#000000##FFFFFF
##21697B1.006.233.376.23
#FFFFFF6.231.0021.001.00
#0000003.3721.001.0021.00
##FFFFFF6.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D667C
Deuteranopia (green-blind)
#515D7B
Tritanopia (blue-blind)
#006F6F
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #21697b;
/* rgb */ color: rgb(33, 105, 123);
/* oklch */ color: oklch(48.5% 0.075 218.0);
Tailwind
colors: {
  custom: {
    50: '#6a94a1',
    500: '#21697b',
    950: '#000000',
  },
}
SCSS
$custom: #21697b;
$custom-light: #6a94a1;
$custom-dark: #000000;
JSON
{
  "hex": "#21697b",
  "rgb": {
    "r": 33,
    "g": 105,
    "b": 123
  },
  "hsl": {
    "h": 192,
    "s": 57.692,
    "l": 30.588
  },
  "oklch": {
    "l": 0.485,
    "c": 0.07457,
    "h": 218
  },
  "luminance": 0.11857
}

Semantic roles & 50–950 ramp

primary
#21697B
secondary
#AE5E4A
accent
#6647E1
background
#F6F9F9
surface
#ECF1F2
border
#C7CBCC
text
#070D0F
muted
#7A7E7E

Preview Lab

Preview with #21697B

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

Preview Lab → · Contrast checker → · Palette generator →

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