#211B8D#211B8D

#211B8D is a dark, vivid blue. Relative luminance 0.030; OKLCH L 33.0% C 0.176 H 273.2°. Best body text is #FFFFFF at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#211B8D
RGB	rgb(33, 27, 141)
HSL	hsl(243, 68%, 33%)
HSV	hsv(243, 81%, 55%)
CMYK	cmyk(76.6%, 80.9%, 0%, 44.7%)
CIE-LAB	lab(20.16, 41.26, -60.88)
CIE-LCH	lch(20.16, 73.55, 304.13°)
OKLab	oklab(32.98% 0.0099 -0.1762)
OKLCH	oklch(32.98% 0.176 273.2)
XYZ	xyz(5.8252, 3.0297, 25.4719)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B8D #878D1B

analogous

#1B4E8D #211B8D #5A1B8D

triadic

#211B8D #8D211B #1B8D21

tetradic

#211B8D #8D1B4E #878D1B #1B8D5A

square

#211B8D #8D1B4E #878D1B #1B8D5A

split-complementary

#211B8D #8D5A1B #4E8D1B

monochromatic

#090726 #15115A #211B8D #2D25C0 #4F47DC

Accessibility & contrast

On white

13.08

#211B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#211B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B8D

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B8D	#FFFFFF	#000000	##FFFFFF
##211B8D	1.00	13.08	1.61	13.08
#FFFFFF	13.08	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003690

Deuteranopia (green-blind)

#002B8B

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #211b8d;
/* rgb */ color: rgb(33, 27, 141);
/* oklch */ color: oklch(33.0% 0.176 273.2);

Tailwind

colors: {
  custom: {
    50: '#705ab0',
    500: '#211b8d',
    950: '#000000',
  },
}

SCSS

$custom: #211b8d;
$custom-light: #705ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#211b8d",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 141
  },
  "hsl": {
    "h": 243.158,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.32976,
    "c": 0.17644,
    "h": 273.2
  },
  "luminance": 0.0303
}

Semantic roles & 50–950 ramp

primary

#211B8D

secondary

#B7BD46

accent

#EB3DE2

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #211B8D

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

Preview Lab → · Contrast checker → · Palette generator →