#211F73#211F73

#211F73 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.7% C 0.139 H 275.5°. Best body text is #FFFFFF at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#211F73
RGB	rgb(33, 31, 115)
HSL	hsl(241, 58%, 29%)
HSV	hsv(241, 73%, 45%)
CMYK	cmyk(71.3%, 73%, 0%, 54.9%)
CIE-LAB	lab(18.10, 29.93, -47.80)
CIE-LCH	lch(18.10, 56.40, 302.05°)
OKLab	oklab(30.66% 0.0133 -0.1381)
OKLCH	oklch(30.66% 0.139 275.5)
XYZ	xyz(4.2107, 2.5407, 16.4848)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211F73 #71731F

analogous

#1F4773 #211F73 #4B1F73

triadic

#211F73 #73211F #1F7321

tetradic

#211F73 #731F47 #71731F #1F734B

square

#211F73 #731F47 #71731F #1F734B

split-complementary

#211F73 #734B1F #47731F

monochromatic

#070618 #131243 #211F73 #2F2CA3 #4441CC

Accessibility & contrast

On white

13.92

#211F73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#211F73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211F73

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211F73	#FFFFFF	#000000	##FFFFFF
##211F73	1.00	13.92	1.51	13.92
#FFFFFF	13.92	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003076

Deuteranopia (green-blind)

#002871

Tritanopia (blue-blind)

#003646

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #211f73;
/* rgb */ color: rgb(33, 31, 115);
/* oklch */ color: oklch(30.7% 0.139 275.5);

Tailwind

colors: {
  custom: {
    50: '#695b9c',
    500: '#211f73',
    950: '#000000',
  },
}

SCSS

$custom: #211f73;
$custom-light: #695b9c;
$custom-dark: #000000;

JSON

{
  "hex": "#211f73",
  "rgb": {
    "r": 33,
    "g": 31,
    "b": 115
  },
  "hsl": {
    "h": 241.429,
    "s": 57.534,
    "l": 28.627
  },
  "oklch": {
    "l": 0.30659,
    "c": 0.13874,
    "h": 275.5
  },
  "luminance": 0.02541
}

Semantic roles & 50–950 ramp

primary

#211F73

secondary

#A5A747

accent

#E147DD

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #211F73

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

Preview Lab → · Contrast checker → · Palette generator →