#211DA8#211DA8

#211DA8 is a dark, highly saturated blue. Relative luminance 0.040; OKLCH L 36.4% C 0.207 H 270.8°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#211DA8
RGB	rgb(33, 29, 168)
HSL	hsl(242, 71%, 39%)
HSV	hsv(242, 83%, 66%)
CMYK	cmyk(80.4%, 82.7%, 0%, 34.1%)
CIE-LAB	lab(23.76, 48.92, -71.49)
CIE-LCH	lch(23.76, 86.63, 304.38°)
OKLab	oklab(36.42% 0.003 -0.2069)
OKLCH	oklch(36.42% 0.207 270.8)
XYZ	xyz(8.1321, 4.0283, 37.3871)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211DA8 #A4A81D

analogous

#1D5EA8 #211DA8 #661DA8

triadic

#211DA8 #A8211D #1DA821

tetradic

#211DA8 #A81D5E #A4A81D #1DA866

square

#211DA8 #A81D5E #A4A81D #1DA866

split-complementary

#211DA8 #A8661D #5EA81D

monochromatic

#0C0B40 #171474 #211DA8 #2D28DA #605CE3

Accessibility & contrast

On white

11.63

#211DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#211DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211DA8

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211DA8	#FFFFFF	#000000	##FFFFFF
##211DA8	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FAC

Deuteranopia (green-blind)

#0031A6

Tritanopia (blue-blind)

#004A64

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #211da8;
/* rgb */ color: rgb(33, 29, 168);
/* oklch */ color: oklch(36.4% 0.207 270.8);

Tailwind

colors: {
  custom: {
    50: '#775dc3',
    500: '#211da8',
    950: '#000000',
  },
}

SCSS

$custom: #211da8;
$custom-light: #775dc3;
$custom-dark: #000000;

JSON

{
  "hex": "#211da8",
  "rgb": {
    "r": 33,
    "g": 29,
    "b": 168
  },
  "hsl": {
    "h": 241.727,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.36424,
    "c": 0.20694,
    "h": 270.8
  },
  "luminance": 0.04029
}

Semantic roles & 50–950 ramp

primary

#211DA8

secondary

#C4C75A

accent

#ED3AE8

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0413

muted

#7C7982

Preview Lab

Preview with #211DA8

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

Preview Lab → · Contrast checker → · Palette generator →