#212FA9#212FA9

#212FA9 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.0% C 0.192 H 269.1°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#212FA9
RGB	rgb(33, 47, 169)
HSL	hsl(234, 67%, 40%)
HSV	hsv(234, 80%, 66%)
CMYK	cmyk(80.5%, 72.2%, 0%, 33.7%)
CIE-LAB	lab(27.35, 39.36, -66.16)
CIE-LCH	lch(27.35, 76.98, 300.75°)
OKLab	oklab(38.99% -0.0029 -0.1916)
OKLCH	oklch(38.99% 0.192 269.1)
XYZ	xyz(8.8027, 5.2199, 38.0720)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212FA9 #A99B21

analogous

#2173A9 #212FA9 #5721A9

triadic

#212FA9 #A9212F #2FA921

tetradic

#212FA9 #A92173 #A99B21 #21A957

square

#212FA9 #A92173 #A99B21 #21A957

split-complementary

#212FA9 #A95721 #73A921

monochromatic

#0D1343 #172176 #212FA9 #3142D7 #6471E1

Accessibility & contrast

On white

10.27

#212FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#212FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212FA9

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212FA9	#FFFFFF	#000000	##FFFFFF
##212FA9	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AD

Deuteranopia (green-blind)

#003AA7

Tritanopia (blue-blind)

#005269

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #212fa9;
/* rgb */ color: rgb(33, 47, 169);
/* oklch */ color: oklch(39.0% 0.192 269.1);

Tailwind

colors: {
  custom: {
    50: '#7568c4',
    500: '#212fa9',
    950: '#000000',
  },
}

SCSS

$custom: #212fa9;
$custom-light: #7568c4;
$custom-dark: #000000;

JSON

{
  "hex": "#212fa9",
  "rgb": {
    "r": 33,
    "g": 47,
    "b": 169
  },
  "hsl": {
    "h": 233.824,
    "s": 67.327,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38991,
    "c": 0.19167,
    "h": 269.1
  },
  "luminance": 0.05221
}

Semantic roles & 50–950 ramp

primary

#212FA9

secondary

#C6BB60

accent

#D83EEA

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #212FA9

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

Preview Lab → · Contrast checker → · Palette generator →