#211F99#211F99

#211F99 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.9% C 0.188 H 271.8°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#211F99
RGB	rgb(33, 31, 153)
HSL	hsl(241, 66%, 36%)
HSV	hsv(241, 80%, 60%)
CMYK	cmyk(78.4%, 79.7%, 0%, 40%)
CIE-LAB	lab(22.31, 43.09, -64.76)
CIE-LCH	lch(22.31, 77.78, 303.64°)
OKLab	oklab(34.89% 0.0058 -0.1874)
OKLCH	oklch(34.89% 0.188 271.8)
XYZ	xyz(6.8650, 3.6025, 30.4644)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211F99 #97991F

analogous

#1F5A99 #211F99 #5E1F99

triadic

#211F99 #99211F #1F9921

tetradic

#211F99 #991F5A #97991F #1F995E

square

#211F99 #991F5A #97991F #1F995E

split-complementary

#211F99 #995E1F #5A991F

monochromatic

#0B0A33 #161566 #211F99 #2C29CC #5856DD

Accessibility & contrast

On white

12.21

#211F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#211F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211F99

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211F99	#FFFFFF	#000000	##FFFFFF
##211F99	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9C

Deuteranopia (green-blind)

#002F97

Tritanopia (blue-blind)

#00445C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #211f99;
/* rgb */ color: rgb(33, 31, 153);
/* oklch */ color: oklch(34.9% 0.188 271.8);

Tailwind

colors: {
  custom: {
    50: '#735db8',
    500: '#211f99',
    950: '#000000',
  },
}

SCSS

$custom: #211f99;
$custom-light: #735db8;
$custom-dark: #000000;

JSON

{
  "hex": "#211f99",
  "rgb": {
    "r": 33,
    "g": 31,
    "b": 153
  },
  "hsl": {
    "h": 240.984,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.34891,
    "c": 0.18754,
    "h": 271.8
  },
  "luminance": 0.03603
}

Semantic roles & 50–950 ramp

primary

#211F99

secondary

#BEC054

accent

#E93FE6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #211F99

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

Preview Lab → · Contrast checker → · Palette generator →