#211B80#211B80

#211B80 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.160 H 274.7°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#211B80
RGB	rgb(33, 27, 128)
HSL	hsl(244, 65%, 30%)
HSV	hsv(244, 79%, 50%)
CMYK	cmyk(74.2%, 78.9%, 0%, 49.8%)
CIE-LAB	lab(18.65, 36.92, -55.21)
CIE-LCH	lch(18.65, 66.41, 303.77°)
OKLab	oklab(31.47% 0.013 -0.1597)
OKLCH	oklch(31.47% 0.16 274.7)
XYZ	xyz(4.9141, 2.6652, 20.6734)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B80 #7A801B

analogous

#1B4880 #211B80 #531B80

triadic

#211B80 #80211B #1B8021

tetradic

#211B80 #801B48 #7A801B #1B8053

square

#211B80 #801B48 #7A801B #1B8053

split-complementary

#211B80 #80531B #48801B

monochromatic

#07061B #14104D #211B80 #2E26B3 #483FD6

Accessibility & contrast

On white

13.70

#211B80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#211B80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B80

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B80	#FFFFFF	#000000	##FFFFFF
##211B80	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003283

Deuteranopia (green-blind)

#00297E

Tritanopia (blue-blind)

#00394D

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #211b80;
/* rgb */ color: rgb(33, 27, 128);
/* oklch */ color: oklch(31.5% 0.160 274.7);

Tailwind

colors: {
  custom: {
    50: '#6d59a6',
    500: '#211b80',
    950: '#000000',
  },
}

SCSS

$custom: #211b80;
$custom-light: #6d59a6;
$custom-dark: #000000;

JSON

{
  "hex": "#211b80",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 128
  },
  "hsl": {
    "h": 243.564,
    "s": 65.161,
    "l": 30.392
  },
  "oklch": {
    "l": 0.31472,
    "c": 0.1602,
    "h": 274.7
  },
  "luminance": 0.02666
}

Semantic roles & 50–950 ramp

primary

#211B80

secondary

#ADB443

accent

#E840DE

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #211B80

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

Preview Lab → · Contrast checker → · Palette generator →