#213C4E#213C4E

#213C4E is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.3% C 0.046 H 239.2°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX#213C4E
RGBrgb(33, 60, 78)
HSLhsl(204, 41%, 22%)
HSVhsv(204, 58%, 31%)
CMYKcmyk(57.7%, 23.1%, 0%, 69.4%)
CIE-LABlab(24.01, -4.29, -14.10)
CIE-LCHlch(24.01, 14.74, 253.09°)
OKLaboklab(34.31% -0.0234 -0.0393)
OKLCHoklch(34.31% 0.046 239.2)
XYZxyz(3.6177, 4.1048, 7.8079)
Luminance0.0411 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#213C4E #4E3321
analogous
#214E4A #213C4E #21264E
triadic
#213C4E #4E213C #3C4E21
tetradic
#213C4E #4A214E #4E3321 #264E21
square
#213C4E #4A214E #4E3321 #264E21
split-complementary
#213C4E #4E2126 #4E4A21
monochromatic
#091116 #0F1B23 #213C4E #335D79 #457EA4

Accessibility & contrast

On white

11.53
#213C4E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.82
#213C4E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213C4E
11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##213C4E#FFFFFF#000000##FFFFFF
##213C4E1.0011.531.8211.53
#FFFFFF11.531.0021.001.00
#0000001.8221.001.0021.00
##FFFFFF11.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#343C4F
Deuteranopia (green-blind)
#2E374E
Tritanopia (blue-blind)
#074142
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #213c4e;
/* rgb */ color: rgb(33, 60, 78);
/* oklch */ color: oklch(34.3% 0.046 239.2);
Tailwind
colors: {
  custom: {
    50: '#60717f',
    500: '#213c4e',
    950: '#000000',
  },
}
SCSS
$custom: #213c4e;
$custom-light: #60717f;
$custom-dark: #000000;
JSON
{
  "hex": "#213c4e",
  "rgb": {
    "r": 33,
    "g": 60,
    "b": 78
  },
  "hsl": {
    "h": 204,
    "s": 40.541,
    "l": 21.765
  },
  "oklch": {
    "l": 0.34307,
    "c": 0.04576,
    "h": 239.2
  },
  "luminance": 0.04105
}

Semantic roles & 50–950 ramp

primary
#213C4E
secondary
#826049
accent
#8857D0
background
#F5F6F7
surface
#EAECEE
border
#C6C7C9
text
#05070A
muted
#797A7C

Preview Lab

Preview with #213C4E

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

Preview Lab → · Contrast checker → · Palette generator →

#213C4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva