#211FB4#211FB4

#211FB4 is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 38.1% C 0.219 H 270.0°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#211FB4
RGB	rgb(33, 31, 180)
HSL	hsl(241, 71%, 41%)
HSV	hsv(241, 83%, 71%)
CMYK	cmyk(81.7%, 82.8%, 0%, 29.4%)
CIE-LAB	lab(25.56, 51.71, -75.73)
CIE-LCH	lch(25.56, 91.70, 304.33°)
OKLab	oklab(38.09% -0.0001 -0.2192)
OKLCH	oklch(38.09% 0.219 270)
XYZ	xyz(9.3526, 4.5975, 43.5656)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211FB4 #B2B41F

analogous

#1F68B4 #211FB4 #6C1FB4

triadic

#211FB4 #B4211F #1FB421

tetradic

#211FB4 #B41F68 #B2B41F #1FB46C

square

#211FB4 #B41F68 #B2B41F #1FB46C

split-complementary

#211FB4 #B46C1F #68B41F

monochromatic

#0E0D4C #171680 #211FB4 #3634DC #6A68E5

Accessibility & contrast

On white

10.94

#211FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#211FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211FB4

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211FB4	#FFFFFF	#000000	##FFFFFF
##211FB4	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B8

Deuteranopia (green-blind)

#0035B2

Tritanopia (blue-blind)

#004F6B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #211fb4;
/* rgb */ color: rgb(33, 31, 180);
/* oklch */ color: oklch(38.1% 0.219 270.0);

Tailwind

colors: {
  custom: {
    50: '#7a5fcc',
    500: '#211fb4',
    950: '#000000',
  },
}

SCSS

$custom: #211fb4;
$custom-light: #7a5fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#211fb4",
  "rgb": {
    "r": 33,
    "g": 31,
    "b": 180
  },
  "hsl": {
    "h": 240.805,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.38086,
    "c": 0.21922,
    "h": 270
  },
  "luminance": 0.04599
}

Semantic roles & 50–950 ramp

primary

#211FB4

secondary

#C9CB64

accent

#ED3AEB

background

#F8F5FC

surface

#EFEAF9

border

#CAC6D2

text

#0B0514

muted

#7C7982

Preview Lab

Preview with #211FB4

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

Preview Lab → · Contrast checker → · Palette generator →