#211B63#211B63

#211B63 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.3% C 0.121 H 279.0°. Best body text is #FFFFFF at 14.98:1 contrast (WCAG AA passes).

Color values

HEX	#211B63
RGB	rgb(33, 27, 99)
HSL	hsl(245, 57%, 25%)
HSV	hsv(245, 73%, 39%)
CMYK	cmyk(66.7%, 72.7%, 0%, 61.2%)
CIE-LAB	lab(15.53, 26.73, -41.58)
CIE-LCH	lch(15.53, 49.43, 302.74°)
OKLab	oklab(28.31% 0.019 -0.1199)
OKLCH	oklch(28.31% 0.121 279)
XYZ	xyz(3.2705, 2.0078, 12.0172)
Luminance	0.0201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B63 #5D631B

analogous

#1B3963 #211B63 #451B63

triadic

#211B63 #63211B #1B6321

tetradic

#211B63 #631B39 #5D631B #1B6345

square

#211B63 #631B39 #5D631B #1B6345

split-complementary

#211B63 #63451B #39631B

monochromatic

#080718 #110E33 #211B63 #312893 #4135C3

Accessibility & contrast

On white

14.98

#211B63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#211B63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B63

14.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B63	#FFFFFF	#000000	##FFFFFF
##211B63	1.00	14.98	1.40	14.98
#FFFFFF	14.98	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A65

Deuteranopia (green-blind)

#002462

Tritanopia (blue-blind)

#002E3C

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #211b63;
/* rgb */ color: rgb(33, 27, 99);
/* oklch */ color: oklch(28.3% 0.121 279.0);

Tailwind

colors: {
  custom: {
    50: '#665890',
    500: '#211b63',
    950: '#000000',
  },
}

SCSS

$custom: #211b63;
$custom-light: #665890;
$custom-dark: #000000;

JSON

{
  "hex": "#211b63",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 99
  },
  "hsl": {
    "h": 245,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.28313,
    "c": 0.12139,
    "h": 279
  },
  "luminance": 0.02008
}

Semantic roles & 50–950 ramp

primary

#211B63

secondary

#919841

accent

#E047D4

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030D

muted

#7A787D

Preview Lab

Preview with #211B63

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

Preview Lab → · Contrast checker → · Palette generator →