#211B66#211B66

#211B66 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.6% C 0.126 H 278.5°. Best body text is #FFFFFF at 14.86:1 contrast (WCAG AA passes).

Color values

HEX	#211B66
RGB	rgb(33, 27, 102)
HSL	hsl(245, 58%, 25%)
HSV	hsv(245, 74%, 40%)
CMYK	cmyk(67.6%, 73.5%, 0%, 60%)
CIE-LAB	lab(15.83, 27.81, -43.06)
CIE-LCH	lch(15.83, 51.26, 302.86°)
OKLab	oklab(28.62% 0.0185 -0.1242)
OKLCH	oklch(28.62% 0.126 278.5)
XYZ	xyz(3.4166, 2.0662, 12.7866)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B66 #60661B

analogous

#1B3A66 #211B66 #461B66

triadic

#211B66 #66211B #1B6621

tetradic

#211B66 #661B3A #60661B #1B6646

square

#211B66 #661B3A #60661B #1B6646

split-complementary

#211B66 #66461B #3A661B

monochromatic

#080618 #110E36 #211B66 #312896 #4035C7

Accessibility & contrast

On white

14.86

#211B66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#211B66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B66

14.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B66	#FFFFFF	#000000	##FFFFFF
##211B66	1.00	14.86	1.41	14.86
#FFFFFF	14.86	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A68

Deuteranopia (green-blind)

#002465

Tritanopia (blue-blind)

#002F3E

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #211b66;
/* rgb */ color: rgb(33, 27, 102);
/* oklch */ color: oklch(28.6% 0.126 278.5);

Tailwind

colors: {
  custom: {
    50: '#665892',
    500: '#211b66',
    950: '#000000',
  },
}

SCSS

$custom: #211b66;
$custom-light: #665892;
$custom-dark: #000000;

JSON

{
  "hex": "#211b66",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 102
  },
  "hsl": {
    "h": 244.8,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.28624,
    "c": 0.1256,
    "h": 278.5
  },
  "luminance": 0.02067
}

Semantic roles & 50–950 ramp

primary

#211B66

secondary

#949B41

accent

#E146D5

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #211B66

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

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