#211FA1#211FA1

#211FA1 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.8% C 0.197 H 271.2°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#211FA1
RGB	rgb(33, 31, 161)
HSL	hsl(241, 68%, 38%)
HSV	hsv(241, 81%, 63%)
CMYK	cmyk(79.5%, 80.7%, 0%, 36.9%)
CIE-LAB	lab(23.26, 45.71, -68.09)
CIE-LCH	lch(23.26, 82.00, 303.87°)
OKLab	oklab(35.83% 0.004 -0.1971)
OKLCH	oklch(35.83% 0.197 271.2)
XYZ	xyz(7.5480, 3.8757, 34.0616)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211FA1 #9FA11F

analogous

#1F5EA1 #211FA1 #621FA1

triadic

#211FA1 #A1211F #1FA121

tetradic

#211FA1 #A11F5E #9FA11F #1FA162

square

#211FA1 #A11F5E #9FA11F #1FA162

split-complementary

#211FA1 #A1621F #5EA11F

monochromatic

#0C0B3A #16156E #211FA1 #2C29D4 #5D5BDF

Accessibility & contrast

On white

11.83

#211FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#211FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211FA1

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211FA1	#FFFFFF	#000000	##FFFFFF
##211FA1	1.00	11.83	1.78	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA5

Deuteranopia (green-blind)

#00319F

Tritanopia (blue-blind)

#004860

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #211fa1;
/* rgb */ color: rgb(33, 31, 161);
/* oklch */ color: oklch(35.8% 0.197 271.2);

Tailwind

colors: {
  custom: {
    50: '#755ebe',
    500: '#211fa1',
    950: '#000000',
  },
}

SCSS

$custom: #211fa1;
$custom-light: #755ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#211fa1",
  "rgb": {
    "r": 33,
    "g": 31,
    "b": 161
  },
  "hsl": {
    "h": 240.923,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.35826,
    "c": 0.19714,
    "h": 271.2
  },
  "luminance": 0.03877
}

Semantic roles & 50–950 ramp

primary

#211FA1

secondary

#C2C458

accent

#EB3DE8

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #211FA1

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

Preview Lab → · Contrast checker → · Palette generator →