#211F8B#211F8B

#211F8B is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.3% C 0.170 H 272.9°. Best body text is #FFFFFF at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#211F8B
RGB	rgb(33, 31, 139)
HSL	hsl(241, 64%, 33%)
HSV	hsv(241, 78%, 55%)
CMYK	cmyk(76.3%, 77.7%, 0%, 45.5%)
CIE-LAB	lab(20.70, 38.39, -58.75)
CIE-LCH	lch(20.70, 70.18, 303.16°)
OKLab	oklab(33.28% 0.0087 -0.17)
OKLCH	oklch(33.28% 0.17 272.9)
XYZ	xyz(5.7758, 3.1668, 24.7279)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211F8B #898B1F

analogous

#1F538B #211F8B #571F8B

triadic

#211F8B #8B211F #1F8B21

tetradic

#211F8B #8B1F53 #898B1F #1F8B57

square

#211F8B #8B1F53 #898B1F #1F8B57

split-complementary

#211F8B #8B571F #538B1F

monochromatic

#090927 #151459 #211F8B #2D2ABD #504DD7

Accessibility & contrast

On white

12.86

#211F8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#211F8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211F8B

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211F8B	#FFFFFF	#000000	##FFFFFF
##211F8B	1.00	12.86	1.63	12.86
#FFFFFF	12.86	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378E

Deuteranopia (green-blind)

#002D89

Tritanopia (blue-blind)

#003F54

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #211f8b;
/* rgb */ color: rgb(33, 31, 139);
/* oklch */ color: oklch(33.3% 0.170 272.9);

Tailwind

colors: {
  custom: {
    50: '#6f5cae',
    500: '#211f8b',
    950: '#000000',
  },
}

SCSS

$custom: #211f8b;
$custom-light: #6f5cae;
$custom-dark: #000000;

JSON

{
  "hex": "#211f8b",
  "rgb": {
    "r": 33,
    "g": 31,
    "b": 139
  },
  "hsl": {
    "h": 241.111,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.33285,
    "c": 0.17022,
    "h": 272.9
  },
  "luminance": 0.03167
}

Semantic roles & 50–950 ramp

primary

#211F8B

secondary

#B8BA4C

accent

#E741E3

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #211F8B

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

Preview Lab → · Contrast checker → · Palette generator →