#211B9F#211B9F

#211B9F is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.1% C 0.198 H 271.6°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#211B9F
RGB	rgb(33, 27, 159)
HSL	hsl(243, 71%, 36%)
HSV	hsv(243, 83%, 62%)
CMYK	cmyk(79.2%, 83%, 0%, 37.6%)
CIE-LAB	lab(22.34, 47.05, -68.39)
CIE-LCH	lch(22.34, 83.01, 304.53°)
OKLab	oklab(35.12% 0.0056 -0.1979)
OKLCH	oklch(35.12% 0.198 271.6)
XYZ	xyz(7.2750, 3.6096, 33.1075)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B9F #999F1B

analogous

#1B579F #211B9F #631B9F

triadic

#211B9F #9F211B #1B9F21

tetradic

#211B9F #9F1B57 #999F1B #1B9F63

square

#211B9F #9F1B57 #999F1B #1B9F63

split-complementary

#211B9F #9F631B #579F1B

monochromatic

#0B0936 #16126B #211B9F #2C24D3 #5953E2

Accessibility & contrast

On white

12.20

#211B9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#211B9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B9F

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B9F	#FFFFFF	#000000	##FFFFFF
##211B9F	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA3

Deuteranopia (green-blind)

#002F9D

Tritanopia (blue-blind)

#00455E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #211b9f;
/* rgb */ color: rgb(33, 27, 159);
/* oklch */ color: oklch(35.1% 0.198 271.6);

Tailwind

colors: {
  custom: {
    50: '#755cbd',
    500: '#211b9f',
    950: '#000000',
  },
}

SCSS

$custom: #211b9f;
$custom-light: #755cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#211b9f",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 159
  },
  "hsl": {
    "h": 242.727,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.35117,
    "c": 0.19799,
    "h": 271.6
  },
  "luminance": 0.0361
}

Semantic roles & 50–950 ramp

primary

#211B9F

secondary

#BFC551

accent

#EE3AE6

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #211B9F

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

Preview Lab → · Contrast checker → · Palette generator →