#211F9A#211F9A

#211F9A is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.0% C 0.189 H 271.7°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#211F9A
RGB	rgb(33, 31, 154)
HSL	hsl(241, 66%, 36%)
HSV	hsv(241, 80%, 60%)
CMYK	cmyk(78.6%, 79.9%, 0%, 39.6%)
CIE-LAB	lab(22.43, 43.42, -65.18)
CIE-LCH	lch(22.43, 78.32, 303.67°)
OKLab	oklab(35.01% 0.0056 -0.1887)
OKLCH	oklch(35.01% 0.189 271.7)
XYZ	xyz(6.9480, 3.6356, 30.9012)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211F9A #989A1F

analogous

#1F5B9A #211F9A #5F1F9A

triadic

#211F9A #9A211F #1F9A21

tetradic

#211F9A #9A1F5B #989A1F #1F9A5F

square

#211F9A #9A1F5B #989A1F #1F9A5F

split-complementary

#211F9A #9A5F1F #5B9A1F

monochromatic

#0B0A34 #161567 #211F9A #2C29CD #5956DD

Accessibility & contrast

On white

12.16

#211F9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#211F9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211F9A

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211F9A	#FFFFFF	#000000	##FFFFFF
##211F9A	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9D

Deuteranopia (green-blind)

#002F98

Tritanopia (blue-blind)

#00455C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #211f9a;
/* rgb */ color: rgb(33, 31, 154);
/* oklch */ color: oklch(35.0% 0.189 271.7);

Tailwind

colors: {
  custom: {
    50: '#735db9',
    500: '#211f9a',
    950: '#000000',
  },
}

SCSS

$custom: #211f9a;
$custom-light: #735db9;
$custom-dark: #000000;

JSON

{
  "hex": "#211f9a",
  "rgb": {
    "r": 33,
    "g": 31,
    "b": 154
  },
  "hsl": {
    "h": 240.976,
    "s": 66.486,
    "l": 36.275
  },
  "oklch": {
    "l": 0.35007,
    "c": 0.18875,
    "h": 271.7
  },
  "luminance": 0.03636
}

Semantic roles & 50–950 ramp

primary

#211F9A

secondary

#BFC154

accent

#E93EE7

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #211F9A

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

Preview Lab → · Contrast checker → · Palette generator →