#212B7A#212B7A

#212B7A is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.5% C 0.134 H 271.5°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#212B7A
RGB	rgb(33, 43, 122)
HSL	hsl(233, 57%, 30%)
HSV	hsv(233, 73%, 48%)
CMYK	cmyk(73%, 64.8%, 0%, 52.2%)
CIE-LAB	lab(21.78, 24.52, -46.25)
CIE-LCH	lch(21.78, 52.35, 297.93°)
OKLab	oklab(33.55% 0.0036 -0.1335)
OKLCH	oklch(33.55% 0.134 271.5)
XYZ	xyz(5.0027, 3.4557, 18.8120)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212B7A #7A7021

analogous

#21587A #212B7A #43217A

triadic

#212B7A #7A212B #2B7A21

tetradic

#212B7A #7A2158 #7A7021 #217A43

square

#212B7A #7A2158 #7A7021 #217A43

split-complementary

#212B7A #7A4321 #587A21

monochromatic

#07091A #141A4A #212B7A #2E3CAA #4857CD

Accessibility & contrast

On white

12.42

#212B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#212B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212B7A

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212B7A	#FFFFFF	#000000	##FFFFFF
##212B7A	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387D

Deuteranopia (green-blind)

#003078

Tritanopia (blue-blind)

#003F4E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #212b7a;
/* rgb */ color: rgb(33, 43, 122);
/* oklch */ color: oklch(33.5% 0.134 271.5);

Tailwind

colors: {
  custom: {
    50: '#6a64a1',
    500: '#212b7a',
    950: '#000000',
  },
}

SCSS

$custom: #212b7a;
$custom-light: #6a64a1;
$custom-dark: #000000;

JSON

{
  "hex": "#212b7a",
  "rgb": {
    "r": 33,
    "g": 43,
    "b": 122
  },
  "hsl": {
    "h": 233.258,
    "s": 57.419,
    "l": 30.392
  },
  "oklch": {
    "l": 0.33546,
    "c": 0.13355,
    "h": 271.5
  },
  "luminance": 0.03456
}

Semantic roles & 50–950 ramp

primary

#212B7A

secondary

#ADA24A

accent

#CF47E1

background

#F6F5FA

surface

#ECEAF3

border

#C7C6CD

text

#07050F

muted

#7A797F

Preview Lab

Preview with #212B7A

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

Preview Lab → · Contrast checker → · Palette generator →