#211BB4#211BB4

#211BB4 is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.7% C 0.222 H 270.2°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#211BB4
RGB	rgb(33, 27, 180)
HSL	hsl(242, 74%, 41%)
HSV	hsv(242, 85%, 71%)
CMYK	cmyk(81.7%, 85%, 0%, 29.4%)
CIE-LAB	lab(24.96, 53.49, -76.72)
CIE-LCH	lch(24.96, 93.53, 304.88°)
OKLab	oklab(37.67% 0.0006 -0.222)
OKLCH	oklch(37.67% 0.222 270.2)
XYZ	xyz(9.2546, 4.4014, 43.5330)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211BB4 #AEB41B

analogous

#1B61B4 #211BB4 #6D1BB4

triadic

#211BB4 #B4211B #1BB421

tetradic

#211BB4 #B41B61 #AEB41B #1BB46D

square

#211BB4 #B41B61 #AEB41B #1BB46D

split-complementary

#211BB4 #B46D1B #61B41B

monochromatic

#0D0B4A #17137F #211BB4 #342DDF #6762E7

Accessibility & contrast

On white

11.17

#211BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#211BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211BB4

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211BB4	#FFFFFF	#000000	##FFFFFF
##211BB4	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B8

Deuteranopia (green-blind)

#0033B2

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #211bb4;
/* rgb */ color: rgb(33, 27, 180);
/* oklch */ color: oklch(37.7% 0.222 270.2);

Tailwind

colors: {
  custom: {
    50: '#7a5dcc',
    500: '#211bb4',
    950: '#000000',
  },
}

SCSS

$custom: #211bb4;
$custom-light: #7a5dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#211bb4",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 180
  },
  "hsl": {
    "h": 242.353,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.37672,
    "c": 0.22202,
    "h": 270.2
  },
  "luminance": 0.04402
}

Semantic roles & 50–950 ramp

primary

#211BB4

secondary

#C8CC5F

accent

#F137E9

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0514

muted

#7C7982

Preview Lab

Preview with #211BB4

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

Preview Lab → · Contrast checker → · Palette generator →