#211CB3#211CB3

#211CB3 is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.6% C 0.220 H 270.2°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#211CB3
RGB	rgb(33, 28, 179)
HSL	hsl(242, 73%, 41%)
HSV	hsv(242, 84%, 70%)
CMYK	cmyk(81.6%, 84.4%, 0%, 29.8%)
CIE-LAB	lab(24.98, 52.76, -76.10)
CIE-LCH	lch(24.98, 92.60, 304.74°)
OKLab	oklab(37.65% 0.0007 -0.2202)
OKLCH	oklch(37.65% 0.22 270.2)
XYZ	xyz(9.1764, 4.4074, 43.0062)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211CB3 #AEB31C

analogous

#1C62B3 #211CB3 #6C1CB3

triadic

#211CB3 #B3211C #1CB321

tetradic

#211CB3 #B31C62 #AEB31C #1CB36C

square

#211CB3 #B31C62 #AEB31C #1CB36C

split-complementary

#211CB3 #B36C1C #62B31C

monochromatic

#0D0B49 #17147E #211CB3 #342EDE #6763E7

Accessibility & contrast

On white

11.16

#211CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#211CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211CB3

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211CB3	#FFFFFF	#000000	##FFFFFF
##211CB3	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B7

Deuteranopia (green-blind)

#0033B1

Tritanopia (blue-blind)

#004E6A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #211cb3;
/* rgb */ color: rgb(33, 28, 179);
/* oklch */ color: oklch(37.6% 0.220 270.2);

Tailwind

colors: {
  custom: {
    50: '#7a5ecb',
    500: '#211cb3',
    950: '#000000',
  },
}

SCSS

$custom: #211cb3;
$custom-light: #7a5ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#211cb3",
  "rgb": {
    "r": 33,
    "g": 28,
    "b": 179
  },
  "hsl": {
    "h": 241.987,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.37649,
    "c": 0.22022,
    "h": 270.2
  },
  "luminance": 0.04409
}

Semantic roles & 50–950 ramp

primary

#211CB3

secondary

#C8CB5F

accent

#F038EA

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0514

muted

#7C7982

Preview Lab

Preview with #211CB3

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

Preview Lab → · Contrast checker → · Palette generator →