#211D6C#211D6C

#211D6C is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.6% C 0.131 H 276.9°. Best body text is #FFFFFF at 14.41:1 contrast (WCAG AA passes).

Color values

HEX	#211D6C
RGB	rgb(33, 29, 108)
HSL	hsl(243, 58%, 27%)
HSV	hsv(243, 73%, 42%)
CMYK	cmyk(69.4%, 73.1%, 0%, 57.6%)
CIE-LAB	lab(16.91, 28.68, -45.21)
CIE-LCH	lch(16.91, 53.54, 302.39°)
OKLab	oklab(29.59% 0.0159 -0.1305)
OKLCH	oklch(29.59% 0.131 276.9)
XYZ	xyz(3.7725, 2.2844, 14.4266)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211D6C #686C1D

analogous

#1D416C #211D6C #491D6C

triadic

#211D6C #6C211D #1D6C21

tetradic

#211D6C #6C1D41 #686C1D #1D6C49

square

#211D6C #6C1D41 #686C1D #1D6C49

split-complementary

#211D6C #6C491D #416C1D

monochromatic

#070618 #12103C #211D6C #302A9C #4139CA

Accessibility & contrast

On white

14.41

#211D6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#211D6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211D6C

14.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211D6C	#FFFFFF	#000000	##FFFFFF
##211D6C	1.00	14.41	1.46	14.41
#FFFFFF	14.41	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D6E

Deuteranopia (green-blind)

#00266B

Tritanopia (blue-blind)

#003242

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #211d6c;
/* rgb */ color: rgb(33, 29, 108);
/* oklch */ color: oklch(29.6% 0.131 276.9);

Tailwind

colors: {
  custom: {
    50: '#685a97',
    500: '#211d6c',
    950: '#000000',
  },
}

SCSS

$custom: #211d6c;
$custom-light: #685a97;
$custom-dark: #000000;

JSON

{
  "hex": "#211d6c",
  "rgb": {
    "r": 33,
    "g": 29,
    "b": 108
  },
  "hsl": {
    "h": 243.038,
    "s": 57.664,
    "l": 26.863
  },
  "oklch": {
    "l": 0.29588,
    "c": 0.13149,
    "h": 276.9
  },
  "luminance": 0.02285
}

Semantic roles & 50–950 ramp

primary

#211D6C

secondary

#9CA144

accent

#E147D9

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #211D6C

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

Preview Lab → · Contrast checker → · Palette generator →