#21436E#21436E

#21436E is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 38.0% C 0.084 H 255.3°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX#21436E
RGBrgb(33, 67, 110)
HSLhsl(214, 54%, 28%)
HSVhsv(214, 70%, 43%)
CMYKcmyk(70%, 39.1%, 0%, 56.9%)
CIE-LABlab(28.01, 3.06, -28.58)
CIE-LCHlch(28.01, 28.74, 276.12°)
OKLaboklab(38.01% -0.0213 -0.0812)
OKLCHoklch(38.01% 0.084 255.3)
XYZxyz(5.4478, 5.4629, 15.5162)
Luminance0.0546 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21436E #6E4C21
analogous
#21696E #21436E #25216E
triadic
#21436E #6E2143 #436E21
tetradic
#21436E #6E2169 #6E4C21 #216E25
square
#21436E #6E2169 #6E4C21 #216E25
split-complementary
#21436E #6E2521 #696E21
monochromatic
#070E18 #13263F #21436E #2F609D #437DC7

Accessibility & contrast

On white

10.04
#21436E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.09
#21436E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21436E
10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21436E#FFFFFF#000000##FFFFFF
##21436E1.0010.042.0910.04
#FFFFFF10.041.0021.001.00
#0000002.0921.001.0021.00
##FFFFFF10.041.0021.001.00

Color blindness preview

Protanopia (red-blind)
#304670
Deuteranopia (green-blind)
#253F6D
Tritanopia (blue-blind)
#004D53
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #21436e;
/* rgb */ color: rgb(33, 67, 110);
/* oklch */ color: oklch(38.0% 0.084 255.3);
Tailwind
colors: {
  custom: {
    50: '#667698',
    500: '#21436e',
    950: '#000000',
  },
}
SCSS
$custom: #21436e;
$custom-light: #667698;
$custom-dark: #000000;
JSON
{
  "hex": "#21436e",
  "rgb": {
    "r": 33,
    "g": 67,
    "b": 110
  },
  "hsl": {
    "h": 213.506,
    "s": 53.846,
    "l": 28.039
  },
  "oklch": {
    "l": 0.38005,
    "c": 0.08396,
    "h": 255.3
  },
  "luminance": 0.05463
}

Semantic roles & 50–950 ramp

primary
#21436E
secondary
#A27B49
accent
#9C4BDD
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#06080D
muted
#7A7B7E

Preview Lab

Preview with #21436E

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

Preview Lab → · Contrast checker → · Palette generator →

#21436E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva