#212F91#212F91

#212F91 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.5% C 0.160 H 269.8°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#212F91
RGB	rgb(33, 47, 145)
HSL	hsl(233, 63%, 35%)
HSV	hsv(233, 77%, 57%)
CMYK	cmyk(77.2%, 67.6%, 0%, 43.1%)
CIE-LAB	lab(24.95, 30.57, -55.47)
CIE-LCH	lch(24.95, 63.34, 298.86°)
OKLab	oklab(36.53% -0.0005 -0.1605)
OKLCH	oklch(36.53% 0.16 269.8)
XYZ	xyz(6.7528, 4.4000, 27.2760)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212F91 #918321

analogous

#216791 #212F91 #4B2191

triadic

#212F91 #91212F #2F9121

tetradic

#212F91 #912167 #918321 #21914B

square

#212F91 #912167 #918321 #21914B

split-complementary

#212F91 #914B21 #679121

monochromatic

#0A0F2D #161F5F #212F91 #2C3FC3 #5465D8

Accessibility & contrast

On white

11.17

#212F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#212F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212F91

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212F91	#FFFFFF	#000000	##FFFFFF
##212F91	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004194

Deuteranopia (green-blind)

#00368F

Tritanopia (blue-blind)

#00495B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #212f91;
/* rgb */ color: rgb(33, 47, 145);
/* oklch */ color: oklch(36.5% 0.160 269.8);

Tailwind

colors: {
  custom: {
    50: '#6f67b2',
    500: '#212f91',
    950: '#000000',
  },
}

SCSS

$custom: #212f91;
$custom-light: #6f67b2;
$custom-dark: #000000;

JSON

{
  "hex": "#212f91",
  "rgb": {
    "r": 33,
    "g": 47,
    "b": 145
  },
  "hsl": {
    "h": 232.5,
    "s": 62.921,
    "l": 34.902
  },
  "oklch": {
    "l": 0.36528,
    "c": 0.16048,
    "h": 269.8
  },
  "luminance": 0.04401
}

Semantic roles & 50–950 ramp

primary

#212F91

secondary

#BCAF52

accent

#D142E6

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #212F91

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

Preview Lab → · Contrast checker → · Palette generator →