#211CA1#211CA1

#211CA1 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.5% C 0.200 H 271.4°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#211CA1
RGB	rgb(33, 28, 161)
HSL	hsl(242, 70%, 37%)
HSV	hsv(242, 83%, 63%)
CMYK	cmyk(79.5%, 82.6%, 0%, 36.9%)
CIE-LAB	lab(22.74, 47.20, -68.93)
CIE-LCH	lch(22.74, 83.55, 304.40°)
OKLab	oklab(35.47% 0.0049 -0.1995)
OKLCH	oklch(35.47% 0.2 271.4)
XYZ	xyz(7.4733, 3.7262, 34.0367)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211CA1 #9CA11C

analogous

#1C59A1 #211CA1 #641CA1

triadic

#211CA1 #A1211C #1CA121

tetradic

#211CA1 #A11C59 #9CA11C #1CA164

square

#211CA1 #A11C59 #9CA11C #1CA164

split-complementary

#211CA1 #A1641C #59A11C

monochromatic

#0C0A39 #16136D #211CA1 #2C25D5 #5B56E2

Accessibility & contrast

On white

12.03

#211CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#211CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211CA1

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211CA1	#FFFFFF	#000000	##FFFFFF
##211CA1	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA5

Deuteranopia (green-blind)

#002F9F

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #211ca1;
/* rgb */ color: rgb(33, 28, 161);
/* oklch */ color: oklch(35.5% 0.200 271.4);

Tailwind

colors: {
  custom: {
    50: '#755cbe',
    500: '#211ca1',
    950: '#000000',
  },
}

SCSS

$custom: #211ca1;
$custom-light: #755cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#211ca1",
  "rgb": {
    "r": 33,
    "g": 28,
    "b": 161
  },
  "hsl": {
    "h": 242.256,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.3547,
    "c": 0.19956,
    "h": 271.4
  },
  "luminance": 0.03727
}

Semantic roles & 50–950 ramp

primary

#211CA1

secondary

#C1C554

accent

#ED3BE6

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #211CA1

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

Preview Lab → · Contrast checker → · Palette generator →