#211B6A#211B6A

#211B6A is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.0% C 0.131 H 277.8°. Best body text is #FFFFFF at 14.69:1 contrast (WCAG AA passes).

Color values

HEX	#211B6A
RGB	rgb(33, 27, 106)
HSL	hsl(245, 59%, 26%)
HSV	hsv(245, 75%, 42%)
CMYK	cmyk(68.9%, 74.5%, 0%, 58.4%)
CIE-LAB	lab(16.24, 29.24, -45.01)
CIE-LCH	lch(16.24, 53.67, 303.01°)
OKLab	oklab(29.04% 0.0178 -0.1299)
OKLCH	oklch(29.04% 0.131 277.8)
XYZ	xyz(3.6198, 2.1475, 13.8566)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B6A #646A1B

analogous

#1B3C6A #211B6A #481B6A

triadic

#211B6A #6A211B #1B6A21

tetradic

#211B6A #6A1B3C #646A1B #1B6A48

square

#211B6A #6A1B3C #646A1B #1B6A48

split-complementary

#211B6A #6A481B #3C6A1B

monochromatic

#080618 #120F39 #211B6A #30279B #4034CB

Accessibility & contrast

On white

14.69

#211B6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#211B6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B6A

14.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B6A	#FFFFFF	#000000	##FFFFFF
##211B6A	1.00	14.69	1.43	14.69
#FFFFFF	14.69	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6C

Deuteranopia (green-blind)

#002569

Tritanopia (blue-blind)

#003140

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #211b6a;
/* rgb */ color: rgb(33, 27, 106);
/* oklch */ color: oklch(29.0% 0.131 277.8);

Tailwind

colors: {
  custom: {
    50: '#675895',
    500: '#211b6a',
    950: '#000000',
  },
}

SCSS

$custom: #211b6a;
$custom-light: #675895;
$custom-dark: #000000;

JSON

{
  "hex": "#211b6a",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 106
  },
  "hsl": {
    "h": 244.557,
    "s": 59.398,
    "l": 26.078
  },
  "oklch": {
    "l": 0.29044,
    "c": 0.13114,
    "h": 277.8
  },
  "luminance": 0.02148
}

Semantic roles & 50–950 ramp

primary

#211B6A

secondary

#989F42

accent

#E345D7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #211B6A

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

Preview Lab → · Contrast checker → · Palette generator →