#211CB4#211CB4

#211CB4 is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.8% C 0.221 H 270.1°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#211CB4
RGB	rgb(33, 28, 180)
HSL	hsl(242, 73%, 41%)
HSV	hsv(242, 84%, 71%)
CMYK	cmyk(81.7%, 84.4%, 0%, 29.4%)
CIE-LAB	lab(25.10, 53.06, -76.48)
CIE-LCH	lch(25.10, 93.09, 304.75°)
OKLab	oklab(37.77% 0.0005 -0.2213)
OKLCH	oklch(37.77% 0.221 270.1)
XYZ	xyz(9.2779, 4.4480, 43.5407)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211CB4 #AFB41C

analogous

#1C63B4 #211CB4 #6D1CB4

triadic

#211CB4 #B4211C #1CB421

tetradic

#211CB4 #B41C63 #AFB41C #1CB46D

square

#211CB4 #B41C63 #AFB41C #1CB46D

split-complementary

#211CB4 #B46D1C #63B41C

monochromatic

#0E0C4A #17147F #211CB4 #342FDF #6864E7

Accessibility & contrast

On white

11.11

#211CB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#211CB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211CB4

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211CB4	#FFFFFF	#000000	##FFFFFF
##211CB4	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B8

Deuteranopia (green-blind)

#0033B2

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #211cb4;
/* rgb */ color: rgb(33, 28, 180);
/* oklch */ color: oklch(37.8% 0.221 270.1);

Tailwind

colors: {
  custom: {
    50: '#7a5ecc',
    500: '#211cb4',
    950: '#000000',
  },
}

SCSS

$custom: #211cb4;
$custom-light: #7a5ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#211cb4",
  "rgb": {
    "r": 33,
    "g": 28,
    "b": 180
  },
  "hsl": {
    "h": 241.974,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.37771,
    "c": 0.22134,
    "h": 270.1
  },
  "luminance": 0.04449
}

Semantic roles & 50–950 ramp

primary

#211CB4

secondary

#C8CC60

accent

#F038EA

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0514

muted

#7C7982

Preview Lab

Preview with #211CB4

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

Preview Lab → · Contrast checker → · Palette generator →