#212F83#212F83

#212F83 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.2% C 0.141 H 270.1°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#212F83
RGB	rgb(33, 47, 131)
HSL	hsl(231, 60%, 32%)
HSV	hsv(231, 75%, 51%)
CMYK	cmyk(74.8%, 64.1%, 0%, 48.6%)
CIE-LAB	lab(23.65, 25.24, -48.88)
CIE-LCH	lch(23.65, 55.01, 297.31°)
OKLab	oklab(35.18% 0.0002 -0.1412)
OKLCH	oklch(35.18% 0.141 270.1)
XYZ	xyz(5.7390, 3.9945, 21.9369)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212F83 #837521

analogous

#216083 #212F83 #442183

triadic

#212F83 #83212F #2F8321

tetradic

#212F83 #832160 #837521 #218344

square

#212F83 #832160 #837521 #218344

split-complementary

#212F83 #834421 #608321

monochromatic

#080C21 #151D52 #212F83 #2D41B4 #4C5FD2

Accessibility & contrast

On white

11.67

#212F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#212F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212F83

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212F83	#FFFFFF	#000000	##FFFFFF
##212F83	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D86

Deuteranopia (green-blind)

#003481

Tritanopia (blue-blind)

#004554

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #212f83;
/* rgb */ color: rgb(33, 47, 131);
/* oklch */ color: oklch(35.2% 0.141 270.1);

Tailwind

colors: {
  custom: {
    50: '#6c67a8',
    500: '#212f83',
    950: '#000000',
  },
}

SCSS

$custom: #212f83;
$custom-light: #6c67a8;
$custom-dark: #000000;

JSON

{
  "hex": "#212f83",
  "rgb": {
    "r": 33,
    "g": 47,
    "b": 131
  },
  "hsl": {
    "h": 231.429,
    "s": 59.756,
    "l": 32.157
  },
  "oklch": {
    "l": 0.35176,
    "c": 0.14118,
    "h": 270.1
  },
  "luminance": 0.03995
}

Semantic roles & 50–950 ramp

primary

#212F83

secondary

#B5A64B

accent

#CC45E3

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #212F83

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

Preview Lab → · Contrast checker → · Palette generator →