#213A4E#213A4E

#213A4E is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.8% C 0.047 H 244.0°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX#213A4E
RGBrgb(33, 58, 78)
HSLhsl(207, 41%, 22%)
HSVhsv(207, 58%, 31%)
CMYKcmyk(57.7%, 25.6%, 0%, 69.4%)
CIE-LABlab(23.34, -2.97, -15.15)
CIE-LCHlch(23.34, 15.44, 258.92°)
OKLaboklab(33.77% -0.0207 -0.0423)
OKLCHoklch(33.77% 0.047 244)
XYZxyz(3.5149, 3.8992, 7.7737)
Luminance0.0390 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#213A4E #4E3521
analogous
#214E4C #213A4E #21244E
triadic
#213A4E #4E213A #3A4E21
tetradic
#213A4E #4C214E #4E3521 #244E21
square
#213A4E #4C214E #4E3521 #244E21
split-complementary
#213A4E #4E2124 #4E4C21
monochromatic
#091016 #0F1A23 #213A4E #335A79 #457AA4

Accessibility & contrast

On white

11.80
#213A4E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.78
#213A4E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213A4E
11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##213A4E#FFFFFF#000000##FFFFFF
##213A4E1.0011.801.7811.80
#FFFFFF11.801.0021.001.00
#0000001.7821.001.0021.00
##FFFFFF11.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#313A4F
Deuteranopia (green-blind)
#2B364E
Tritanopia (blue-blind)
#073F41
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #213a4e;
/* rgb */ color: rgb(33, 58, 78);
/* oklch */ color: oklch(33.8% 0.047 244.0);
Tailwind
colors: {
  custom: {
    50: '#60707f',
    500: '#213a4e',
    950: '#000000',
  },
}
SCSS
$custom: #213a4e;
$custom-light: #60707f;
$custom-dark: #000000;
JSON
{
  "hex": "#213a4e",
  "rgb": {
    "r": 33,
    "g": 58,
    "b": 78
  },
  "hsl": {
    "h": 206.667,
    "s": 40.541,
    "l": 21.765
  },
  "oklch": {
    "l": 0.3377,
    "c": 0.0471,
    "h": 244
  },
  "luminance": 0.039
}

Semantic roles & 50–950 ramp

primary
#213A4E
secondary
#826249
accent
#8D57D0
background
#F5F6F7
surface
#EAECEE
border
#C6C7C9
text
#05070A
muted
#797A7C

Preview Lab

Preview with #213A4E

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

Preview Lab → · Contrast checker → · Palette generator →

#213A4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva