#21546E#21546E

#21546E is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.4% C 0.069 H 234.0°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX#21546E
RGBrgb(33, 84, 110)
HSLhsl(200, 54%, 28%)
HSVhsv(200, 70%, 43%)
CMYKcmyk(70%, 23.6%, 0%, 56.9%)
CIE-LABlab(33.54, -7.91, -19.91)
CIE-LCHlch(33.54, 21.43, 248.34°)
OKLaboklab(42.36% -0.0406 -0.0559)
OKLCHoklch(42.36% 0.069 234)
XYZxyz(6.6109, 7.7891, 15.9039)
Luminance0.0779 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21546E #6E3B21
analogous
#216E61 #21546E #212D6E
triadic
#21546E #6E2154 #546E21
tetradic
#21546E #61216E #6E3B21 #2D6E21
square
#21546E #61216E #6E3B21 #2D6E21
split-complementary
#21546E #6E212D #6E6121
monochromatic
#071218 #13303F #21546E #2F789D #439AC7

Accessibility & contrast

On white

8.21
#21546E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.56
#21546E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21546E
8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21546E#FFFFFF#000000##FFFFFF
##21546E1.008.212.568.21
#FFFFFF8.211.0021.001.00
#0000002.5621.001.0021.00
##FFFFFF8.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#47536F
Deuteranopia (green-blind)
#3D4B6E
Tritanopia (blue-blind)
#005B5D
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #21546e;
/* rgb */ color: rgb(33, 84, 110);
/* oklch */ color: oklch(42.4% 0.069 234.0);
Tailwind
colors: {
  custom: {
    50: '#668497',
    500: '#21546e',
    950: '#000000',
  },
}
SCSS
$custom: #21546e;
$custom-light: #668497;
$custom-dark: #000000;
JSON
{
  "hex": "#21546e",
  "rgb": {
    "r": 33,
    "g": 84,
    "b": 110
  },
  "hsl": {
    "h": 200.26,
    "s": 53.846,
    "l": 28.039
  },
  "oklch": {
    "l": 0.4236,
    "c": 0.06908,
    "h": 234
  },
  "luminance": 0.0779
}

Semantic roles & 50–950 ramp

primary
#21546E
secondary
#A26749
accent
#7C4BDD
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060A0D
muted
#7A7C7E

Preview Lab

Preview with #21546E

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

Preview Lab → · Contrast checker → · Palette generator →

#21546E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva