#211D8C#211D8C

#211D8C is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.1% C 0.173 H 273.1°. Best body text is #FFFFFF at 12.97:1 contrast (WCAG AA passes).

Color values

HEX	#211D8C
RGB	rgb(33, 29, 140)
HSL	hsl(242, 66%, 33%)
HSV	hsv(242, 79%, 55%)
CMYK	cmyk(76.4%, 79.3%, 0%, 45.1%)
CIE-LAB	lab(20.42, 39.85, -59.83)
CIE-LCH	lch(20.42, 71.89, 303.66°)
OKLab	oklab(33.12% 0.0094 -0.1731)
OKLCH	oklch(33.12% 0.173 273.1)
XYZ	xyz(5.7986, 3.0949, 25.0976)
Luminance	0.0310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211D8C #888C1D

analogous

#1D508C #211D8C #581D8C

triadic

#211D8C #8C211D #1D8C21

tetradic

#211D8C #8C1D50 #888C1D #1D8C58

square

#211D8C #8C1D50 #888C1D #1D8C58

split-complementary

#211D8C #8C581D #508C1D

monochromatic

#090827 #151259 #211D8C #2D28BF #4F4AD9

Accessibility & contrast

On white

12.97

#211D8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#211D8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211D8C

12.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211D8C	#FFFFFF	#000000	##FFFFFF
##211D8C	1.00	12.97	1.62	12.97
#FFFFFF	12.97	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368F

Deuteranopia (green-blind)

#002C8A

Tritanopia (blue-blind)

#003F54

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #211d8c;
/* rgb */ color: rgb(33, 29, 140);
/* oklch */ color: oklch(33.1% 0.173 273.1);

Tailwind

colors: {
  custom: {
    50: '#705baf',
    500: '#211d8c',
    950: '#000000',
  },
}

SCSS

$custom: #211d8c;
$custom-light: #705baf;
$custom-dark: #000000;

JSON

{
  "hex": "#211d8c",
  "rgb": {
    "r": 33,
    "g": 29,
    "b": 140
  },
  "hsl": {
    "h": 242.162,
    "s": 65.68,
    "l": 33.137
  },
  "oklch": {
    "l": 0.33122,
    "c": 0.17339,
    "h": 273.1
  },
  "luminance": 0.03096
}

Semantic roles & 50–950 ramp

primary

#211D8C

secondary

#B8BC49

accent

#E93FE3

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #211D8C

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

Preview Lab → · Contrast checker → · Palette generator →