#213D4E#213D4E

#213D4E is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.6% C 0.045 H 236.7°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX#213D4E
RGBrgb(33, 61, 78)
HSLhsl(203, 41%, 22%)
HSVhsv(203, 58%, 31%)
CMYKcmyk(57.7%, 21.8%, 0%, 69.4%)
CIE-LABlab(24.36, -4.94, -13.57)
CIE-LCHlch(24.36, 14.45, 250.00°)
OKLaboklab(34.58% -0.0248 -0.0378)
OKLCHoklch(34.58% 0.045 236.7)
XYZxyz(3.6706, 4.2106, 7.8255)
Luminance0.0421 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#213D4E #4E3221
analogous
#214E49 #213D4E #21274E
triadic
#213D4E #4E213D #3D4E21
tetradic
#213D4E #49214E #4E3221 #274E21
square
#213D4E #49214E #4E3221 #274E21
split-complementary
#213D4E #4E2127 #4E4921
monochromatic
#091116 #0F1B23 #213D4E #335F79 #4580A4

Accessibility & contrast

On white

11.40
#213D4E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.84
#213D4E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213D4E
11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##213D4E#FFFFFF#000000##FFFFFF
##213D4E1.0011.401.8411.40
#FFFFFF11.401.0021.001.00
#0000001.8421.001.0021.00
##FFFFFF11.401.0021.001.00

Color blindness preview

Protanopia (red-blind)
#353D4F
Deuteranopia (green-blind)
#2F384E
Tritanopia (blue-blind)
#064143
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #213d4e;
/* rgb */ color: rgb(33, 61, 78);
/* oklch */ color: oklch(34.6% 0.045 236.7);
Tailwind
colors: {
  custom: {
    50: '#60727f',
    500: '#213d4e',
    950: '#000000',
  },
}
SCSS
$custom: #213d4e;
$custom-light: #60727f;
$custom-dark: #000000;
JSON
{
  "hex": "#213d4e",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 78
  },
  "hsl": {
    "h": 202.667,
    "s": 40.541,
    "l": 21.765
  },
  "oklch": {
    "l": 0.34577,
    "c": 0.04522,
    "h": 236.7
  },
  "luminance": 0.04211
}

Semantic roles & 50–950 ramp

primary
#213D4E
secondary
#825E49
accent
#8557D0
background
#F5F6F7
surface
#EAECEE
border
#C6C7C9
text
#05080A
muted
#797B7C

Preview Lab

Preview with #213D4E

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

Preview Lab → · Contrast checker → · Palette generator →

#213D4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva