#211B6E#211B6E

#211B6E is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.5% C 0.137 H 277.1°. Best body text is #FFFFFF at 14.52:1 contrast (WCAG AA passes).

Color values

HEX	#211B6E
RGB	rgb(33, 27, 110)
HSL	hsl(244, 61%, 27%)
HSV	hsv(244, 75%, 43%)
CMYK	cmyk(70%, 75.5%, 0%, 56.9%)
CIE-LAB	lab(16.66, 30.67, -46.93)
CIE-LCH	lch(16.66, 56.06, 303.16°)
OKLab	oklab(29.47% 0.017 -0.1355)
OKLCH	oklch(29.47% 0.137 277.1)
XYZ	xyz(3.8327, 2.2327, 14.9778)
Luminance	0.0223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B6E #686E1B

analogous

#1B3F6E #211B6E #4B1B6E

triadic

#211B6E #6E211B #1B6E21

tetradic

#211B6E #6E1B3F #686E1B #1B6E4B

square

#211B6E #6E1B3F #686E1B #1B6E4B

split-complementary

#211B6E #6E4B1B #3F6E1B

monochromatic

#070619 #120F3D #211B6E #30279F #4136CE

Accessibility & contrast

On white

14.52

#211B6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#211B6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B6E

14.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B6E	#FFFFFF	#000000	##FFFFFF
##211B6E	1.00	14.52	1.45	14.52
#FFFFFF	14.52	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D70

Deuteranopia (green-blind)

#00266C

Tritanopia (blue-blind)

#003242

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #211b6e;
/* rgb */ color: rgb(33, 27, 110);
/* oklch */ color: oklch(29.5% 0.137 277.1);

Tailwind

colors: {
  custom: {
    50: '#685898',
    500: '#211b6e',
    950: '#000000',
  },
}

SCSS

$custom: #211b6e;
$custom-light: #685898;
$custom-dark: #000000;

JSON

{
  "hex": "#211b6e",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 110
  },
  "hsl": {
    "h": 244.337,
    "s": 60.584,
    "l": 26.863
  },
  "oklch": {
    "l": 0.29472,
    "c": 0.13659,
    "h": 277.1
  },
  "luminance": 0.02233
}

Semantic roles & 50–950 ramp

primary

#211B6E

secondary

#9CA342

accent

#E444D8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #211B6E

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

Preview Lab → · Contrast checker → · Palette generator →