#211BB3#211BB3

#211BB3 is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.5% C 0.221 H 270.2°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#211BB3
RGB	rgb(33, 27, 179)
HSL	hsl(242, 74%, 40%)
HSV	hsv(242, 85%, 70%)
CMYK	cmyk(81.6%, 84.9%, 0%, 29.8%)
CIE-LAB	lab(24.83, 53.19, -76.34)
CIE-LCH	lch(24.83, 93.04, 304.87°)
OKLab	oklab(37.55% 0.0008 -0.2209)
OKLCH	oklch(37.55% 0.221 270.2)
XYZ	xyz(9.1531, 4.3608, 42.9984)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211BB3 #ADB31B

analogous

#1B61B3 #211BB3 #6D1BB3

triadic

#211BB3 #B3211B #1BB321

tetradic

#211BB3 #B31B61 #ADB31B #1BB36D

square

#211BB3 #B31B61 #ADB31B #1BB36D

split-complementary

#211BB3 #B36D1B #61B31B

monochromatic

#0D0B49 #17137E #211BB3 #332CDF #6661E7

Accessibility & contrast

On white

11.22

#211BB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#211BB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211BB3

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211BB3	#FFFFFF	#000000	##FFFFFF
##211BB3	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B7

Deuteranopia (green-blind)

#0033B1

Tritanopia (blue-blind)

#004E6A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #211bb3;
/* rgb */ color: rgb(33, 27, 179);
/* oklch */ color: oklch(37.5% 0.221 270.2);

Tailwind

colors: {
  custom: {
    50: '#7a5dcb',
    500: '#211bb3',
    950: '#000000',
  },
}

SCSS

$custom: #211bb3;
$custom-light: #7a5dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#211bb3",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 179
  },
  "hsl": {
    "h": 242.368,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.37549,
    "c": 0.2209,
    "h": 270.2
  },
  "luminance": 0.04362
}

Semantic roles & 50–950 ramp

primary

#211BB3

secondary

#C7CC5E

accent

#F037E9

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0514

muted

#7C7982

Preview Lab

Preview with #211BB3

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

Preview Lab → · Contrast checker → · Palette generator →