#211B87#211B87

#211B87 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.3% C 0.169 H 273.9°. Best body text is #FFFFFF at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#211B87
RGB	rgb(33, 27, 135)
HSL	hsl(243, 67%, 32%)
HSV	hsv(243, 80%, 53%)
CMYK	cmyk(75.6%, 80%, 0%, 47.1%)
CIE-LAB	lab(19.46, 39.27, -58.29)
CIE-LCH	lch(19.46, 70.29, 303.97°)
OKLab	oklab(32.28% 0.0114 -0.1686)
OKLCH	oklch(32.28% 0.169 273.9)
XYZ	xyz(5.3909, 2.8559, 23.1841)
Luminance	0.0286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B87 #81871B

analogous

#1B4B87 #211B87 #571B87

triadic

#211B87 #87211B #1B8721

tetradic

#211B87 #871B4B #81871B #1B8757

square

#211B87 #871B4B #81871B #1B8757

split-complementary

#211B87 #87571B #4B871B

monochromatic

#080721 #151154 #211B87 #2D25BA #4B43D9

Accessibility & contrast

On white

13.37

#211B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#211B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B87

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B87	#FFFFFF	#000000	##FFFFFF
##211B87	1.00	13.37	1.57	13.37
#FFFFFF	13.37	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348A

Deuteranopia (green-blind)

#002A85

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #211b87;
/* rgb */ color: rgb(33, 27, 135);
/* oklch */ color: oklch(32.3% 0.169 273.9);

Tailwind

colors: {
  custom: {
    50: '#6f5aab',
    500: '#211b87',
    950: '#000000',
  },
}

SCSS

$custom: #211b87;
$custom-light: #6f5aab;
$custom-dark: #000000;

JSON

{
  "hex": "#211b87",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 135
  },
  "hsl": {
    "h": 243.333,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32276,
    "c": 0.16902,
    "h": 273.9
  },
  "luminance": 0.02856
}

Semantic roles & 50–950 ramp

primary

#211B87

secondary

#B4BA44

accent

#EA3EE0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #211B87

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

Preview Lab → · Contrast checker → · Palette generator →