#21667B#21667B

#21667B is a mid, moderate cyan. Relative luminance 0.113; OKLCH L 47.7% C 0.075 H 222.1°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX#21667B
RGBrgb(33, 102, 123)
HSLhsl(194, 58%, 31%)
HSVhsv(194, 73%, 48%)
CMYKcmyk(73.2%, 17.1%, 0%, 51.8%)
CIE-LABlab(40.01, -13.92, -17.95)
CIE-LCHlch(40.01, 22.71, 232.21°)
OKLaboklab(47.72% -0.0555 -0.0501)
OKLCHoklch(47.72% 0.075 222.1)
XYZxyz(8.9523, 11.2551, 20.4357)
Luminance0.1126 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21667B #7B3621
analogous
#217B63 #21667B #21397B
triadic
#21667B #7B2166 #667B21
tetradic
#21667B #63217B #7B3621 #397B21
square
#21667B #63217B #7B3621 #397B21
split-complementary
#21667B #7B2139 #7B6321
monochromatic
#07161A #143E4B #21667B #2E8EAB #48AFCE

Accessibility & contrast

On white

6.46
#21667B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.25
#21667B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21667B
6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21667B#FFFFFF#000000##FFFFFF
##21667B1.006.463.256.46
#FFFFFF6.461.0021.001.00
#0000003.2521.001.0021.00
##FFFFFF6.461.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A637C
Deuteranopia (green-blind)
#4D5A7B
Tritanopia (blue-blind)
#006D6D
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #21667b;
/* rgb */ color: rgb(33, 102, 123);
/* oklch */ color: oklch(47.7% 0.075 222.1);
Tailwind
colors: {
  custom: {
    50: '#6a91a1',
    500: '#21667b',
    950: '#000000',
  },
}
SCSS
$custom: #21667b;
$custom-light: #6a91a1;
$custom-dark: #000000;
JSON
{
  "hex": "#21667b",
  "rgb": {
    "r": 33,
    "g": 102,
    "b": 123
  },
  "hsl": {
    "h": 194,
    "s": 57.692,
    "l": 30.588
  },
  "oklch": {
    "l": 0.47715,
    "c": 0.0748,
    "h": 222.1
  },
  "luminance": 0.11256
}

Semantic roles & 50–950 ramp

primary
#21667B
secondary
#AE614A
accent
#6B47E1
background
#F6F8F9
surface
#ECF0F2
border
#C7CBCC
text
#070C0F
muted
#7A7D7E

Preview Lab

Preview with #21667B

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

Preview Lab → · Contrast checker → · Palette generator →

#21667B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva