#211F9E#211F9E

#211F9E is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.5% C 0.194 H 271.4°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#211F9E
RGB	rgb(33, 31, 158)
HSL	hsl(241, 67%, 37%)
HSV	hsv(241, 80%, 62%)
CMYK	cmyk(79.1%, 80.4%, 0%, 38%)
CIE-LAB	lab(22.90, 44.73, -66.85)
CIE-LCH	lch(22.90, 80.43, 303.79°)
OKLab	oklab(35.47% 0.0047 -0.1935)
OKLCH	oklch(35.47% 0.194 271.4)
XYZ	xyz(7.2867, 3.7711, 32.6850)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211F9E #9C9E1F

analogous

#1F5D9E #211F9E #611F9E

triadic

#211F9E #9E211F #1F9E21

tetradic

#211F9E #9E1F5D #9C9E1F #1F9E61

square

#211F9E #9E1F5D #9C9E1F #1F9E61

split-complementary

#211F9E #9E611F #5D9E1F

monochromatic

#0C0B38 #16156B #211F9E #2C29D1 #5B59DE

Accessibility & contrast

On white

11.97

#211F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#211F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211F9E

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211F9E	#FFFFFF	#000000	##FFFFFF
##211F9E	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA2

Deuteranopia (green-blind)

#00309C

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #211f9e;
/* rgb */ color: rgb(33, 31, 158);
/* oklch */ color: oklch(35.5% 0.194 271.4);

Tailwind

colors: {
  custom: {
    50: '#745ebc',
    500: '#211f9e',
    950: '#000000',
  },
}

SCSS

$custom: #211f9e;
$custom-light: #745ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#211f9e",
  "rgb": {
    "r": 33,
    "g": 31,
    "b": 158
  },
  "hsl": {
    "h": 240.945,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.35474,
    "c": 0.19357,
    "h": 271.4
  },
  "luminance": 0.03772
}

Semantic roles & 50–950 ramp

primary

#211F9E

secondary

#C1C256

accent

#EA3EE7

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #211F9E

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

Preview Lab → · Contrast checker → · Palette generator →