#211AB3#211AB3

#211AB3 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.5% C 0.222 H 270.3°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#211AB3
RGB	rgb(33, 26, 179)
HSL	hsl(243, 75%, 40%)
HSV	hsv(243, 85%, 70%)
CMYK	cmyk(81.6%, 85.5%, 0%, 29.8%)
CIE-LAB	lab(24.69, 53.61, -76.57)
CIE-LCH	lch(24.69, 93.47, 305.00°)
OKLab	oklab(37.45% 0.001 -0.2215)
OKLCH	oklch(37.45% 0.222 270.3)
XYZ	xyz(9.1305, 4.3157, 42.9909)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211AB3 #ACB31A

analogous

#1A60B3 #211AB3 #6D1AB3

triadic

#211AB3 #B3211A #1AB321

tetradic

#211AB3 #B31A60 #ACB31A #1AB36D

square

#211AB3 #B31A60 #ACB31A #1AB36D

split-complementary

#211AB3 #B36D1A #60B31A

monochromatic

#0D0A48 #17127E #211AB3 #322AE0 #6660E8

Accessibility & contrast

On white

11.27

#211AB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#211AB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211AB3

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211AB3	#FFFFFF	#000000	##FFFFFF
##211AB3	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B7

Deuteranopia (green-blind)

#0033B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #211ab3;
/* rgb */ color: rgb(33, 26, 179);
/* oklch */ color: oklch(37.5% 0.222 270.3);

Tailwind

colors: {
  custom: {
    50: '#7a5dcb',
    500: '#211ab3',
    950: '#000000',
  },
}

SCSS

$custom: #211ab3;
$custom-light: #7a5dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#211ab3",
  "rgb": {
    "r": 33,
    "g": 26,
    "b": 179
  },
  "hsl": {
    "h": 242.745,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.37452,
    "c": 0.22155,
    "h": 270.3
  },
  "luminance": 0.04317
}

Semantic roles & 50–950 ramp

primary

#211AB3

secondary

#C7CC5D

accent

#F137E9

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0414

muted

#7C7982

Preview Lab

Preview with #211AB3

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

Preview Lab → · Contrast checker → · Palette generator →