#211DB1#211DB1

#211DB1 is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.5% C 0.217 H 270.3°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#211DB1
RGB	rgb(33, 29, 177)
HSL	hsl(242, 72%, 40%)
HSV	hsv(242, 84%, 69%)
CMYK	cmyk(81.4%, 83.6%, 0%, 30.6%)
CIE-LAB	lab(24.88, 51.71, -75.06)
CIE-LCH	lch(24.88, 91.15, 304.56°)
OKLab	oklab(37.51% 0.001 -0.2173)
OKLCH	oklch(37.51% 0.217 270.3)
XYZ	xyz(8.9997, 4.3753, 41.9567)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211DB1 #ADB11D

analogous

#1D63B1 #211DB1 #6B1DB1

triadic

#211DB1 #B1211D #1DB121

tetradic

#211DB1 #B11D63 #ADB11D #1DB16B

square

#211DB1 #B11D63 #ADB11D #1DB16B

split-complementary

#211DB1 #B16B1D #63B11D

monochromatic

#0D0C48 #17147C #211DB1 #332EDD #6663E5

Accessibility & contrast

On white

11.20

#211DB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#211DB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211DB1

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211DB1	#FFFFFF	#000000	##FFFFFF
##211DB1	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B5

Deuteranopia (green-blind)

#0033AF

Tritanopia (blue-blind)

#004D69

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #211db1;
/* rgb */ color: rgb(33, 29, 177);
/* oklch */ color: oklch(37.5% 0.217 270.3);

Tailwind

colors: {
  custom: {
    50: '#795eca',
    500: '#211db1',
    950: '#000000',
  },
}

SCSS

$custom: #211db1;
$custom-light: #795eca;
$custom-dark: #000000;

JSON

{
  "hex": "#211db1",
  "rgb": {
    "r": 33,
    "g": 29,
    "b": 177
  },
  "hsl": {
    "h": 241.622,
    "s": 71.845,
    "l": 40.392
  },
  "oklch": {
    "l": 0.3751,
    "c": 0.21726,
    "h": 270.3
  },
  "luminance": 0.04376
}

Semantic roles & 50–950 ramp

primary

#211DB1

secondary

#C7CA60

accent

#EF39EA

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #211DB1

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

Preview Lab → · Contrast checker → · Palette generator →