#211BA1#211BA1

#211BA1 is a dark, highly saturated blue. Relative luminance 0.037; OKLCH L 35.4% C 0.200 H 271.5°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#211BA1
RGB	rgb(33, 27, 161)
HSL	hsl(243, 71%, 37%)
HSV	hsv(243, 83%, 63%)
CMYK	cmyk(79.5%, 83.2%, 0%, 36.9%)
CIE-LAB	lab(22.58, 47.68, -69.20)
CIE-LCH	lch(22.58, 84.04, 304.56°)
OKLab	oklab(35.36% 0.0051 -0.2003)
OKLCH	oklch(35.36% 0.2 271.5)
XYZ	xyz(7.4500, 3.6796, 34.0289)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211BA1 #9BA11B

analogous

#1B58A1 #211BA1 #641BA1

triadic

#211BA1 #A1211B #1BA121

tetradic

#211BA1 #A11B58 #9BA11B #1BA164

square

#211BA1 #A11B58 #9BA11B #1BA164

split-complementary

#211BA1 #A1641B #58A11B

monochromatic

#0C0938 #16126D #211BA1 #2C24D5 #5A54E2

Accessibility & contrast

On white

12.10

#211BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#211BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211BA1

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211BA1	#FFFFFF	#000000	##FFFFFF
##211BA1	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA5

Deuteranopia (green-blind)

#002F9F

Tritanopia (blue-blind)

#004660

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #211ba1;
/* rgb */ color: rgb(33, 27, 161);
/* oklch */ color: oklch(35.4% 0.200 271.5);

Tailwind

colors: {
  custom: {
    50: '#755cbe',
    500: '#211ba1',
    950: '#000000',
  },
}

SCSS

$custom: #211ba1;
$custom-light: #755cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#211ba1",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 161
  },
  "hsl": {
    "h": 242.687,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.35358,
    "c": 0.20032,
    "h": 271.5
  },
  "luminance": 0.0368
}

Semantic roles & 50–950 ramp

primary

#211BA1

secondary

#C0C552

accent

#EE3AE6

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #211BA1

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

Preview Lab → · Contrast checker → · Palette generator →