#211F9F#211F9F

#211F9F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.6% C 0.195 H 271.3°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#211F9F
RGB	rgb(33, 31, 159)
HSL	hsl(241, 67%, 37%)
HSV	hsv(241, 81%, 62%)
CMYK	cmyk(79.2%, 80.5%, 0%, 37.6%)
CIE-LAB	lab(23.02, 45.06, -67.26)
CIE-LCH	lch(23.02, 80.96, 303.82°)
OKLab	oklab(35.59% 0.0045 -0.1947)
OKLCH	oklch(35.59% 0.195 271.3)
XYZ	xyz(7.3731, 3.8057, 33.1402)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211F9F #9D9F1F

analogous

#1F5D9F #211F9F #611F9F

triadic

#211F9F #9F211F #1F9F21

tetradic

#211F9F #9F1F5D #9D9F1F #1F9F61

square

#211F9F #9F1F5D #9D9F1F #1F9F61

split-complementary

#211F9F #9F611F #5D9F1F

monochromatic

#0C0B39 #16156C #211F9F #2C29D2 #5C5ADF

Accessibility & contrast

On white

11.92

#211F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#211F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211F9F

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211F9F	#FFFFFF	#000000	##FFFFFF
##211F9F	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA3

Deuteranopia (green-blind)

#00309D

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #211f9f;
/* rgb */ color: rgb(33, 31, 159);
/* oklch */ color: oklch(35.6% 0.195 271.3);

Tailwind

colors: {
  custom: {
    50: '#745ebd',
    500: '#211f9f',
    950: '#000000',
  },
}

SCSS

$custom: #211f9f;
$custom-light: #745ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#211f9f",
  "rgb": {
    "r": 33,
    "g": 31,
    "b": 159
  },
  "hsl": {
    "h": 240.938,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.35591,
    "c": 0.19476,
    "h": 271.3
  },
  "luminance": 0.03807
}

Semantic roles & 50–950 ramp

primary

#211F9F

secondary

#C1C357

accent

#EA3EE8

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #211F9F

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

Preview Lab → · Contrast checker → · Palette generator →