#211C8B#211C8B

#211C8B is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.9% C 0.173 H 273.3°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#211C8B
RGB	rgb(33, 28, 139)
HSL	hsl(243, 66%, 33%)
HSV	hsv(243, 80%, 55%)
CMYK	cmyk(76.3%, 79.9%, 0%, 45.5%)
CIE-LAB	lab(20.11, 40.06, -59.72)
CIE-LCH	lch(20.11, 71.91, 303.86°)
OKLab	oklab(32.87% 0.01 -0.1728)
OKLCH	oklch(32.87% 0.173 273.3)
XYZ	xyz(5.7011, 3.0173, 24.7030)
Luminance	0.0302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211C8B #868B1C

analogous

#1C4E8B #211C8B #591C8B

triadic

#211C8B #8B211C #1C8B21

tetradic

#211C8B #8B1C4E #868B1C #1C8B59

square

#211C8B #8B1C4E #868B1C #1C8B59

split-complementary

#211C8B #8B591C #4E8B1C

monochromatic

#090725 #151258 #211C8B #2D26BE #4E47DA

Accessibility & contrast

On white

13.10

#211C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#211C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211C8B

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211C8B	#FFFFFF	#000000	##FFFFFF
##211C8B	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368E

Deuteranopia (green-blind)

#002B89

Tritanopia (blue-blind)

#003E53

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #211c8b;
/* rgb */ color: rgb(33, 28, 139);
/* oklch */ color: oklch(32.9% 0.173 273.3);

Tailwind

colors: {
  custom: {
    50: '#6f5bae',
    500: '#211c8b',
    950: '#000000',
  },
}

SCSS

$custom: #211c8b;
$custom-light: #6f5bae;
$custom-dark: #000000;

JSON

{
  "hex": "#211c8b",
  "rgb": {
    "r": 33,
    "g": 28,
    "b": 139
  },
  "hsl": {
    "h": 242.703,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.32873,
    "c": 0.17307,
    "h": 273.3
  },
  "luminance": 0.03018
}

Semantic roles & 50–950 ramp

primary

#211C8B

secondary

#B7BC47

accent

#E93EE2

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #211C8B

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

Preview Lab → · Contrast checker → · Palette generator →