#212B9C#212B9C

#212B9C is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.0% C 0.179 H 270.2°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#212B9C
RGB	rgb(33, 43, 156)
HSL	hsl(235, 65%, 37%)
HSV	hsv(235, 79%, 61%)
CMYK	cmyk(78.8%, 72.4%, 0%, 38.8%)
CIE-LAB	lab(25.11, 37.17, -61.97)
CIE-LCH	lch(25.11, 72.26, 300.96°)
OKLab	oklab(36.97% 0.0005 -0.1795)
OKLCH	oklch(36.97% 0.179 270.2)
XYZ	xyz(7.4898, 4.4506, 31.9103)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212B9C #9C9221

analogous

#21699C #212B9C #55219C

triadic

#212B9C #9C212B #2B9C21

tetradic

#212B9C #9C2169 #9C9221 #219C55

square

#212B9C #9C2169 #9C9221 #219C55

split-complementary

#212B9C #9C5521 #699C21

monochromatic

#0C0F37 #161D69 #212B9C #2C39CF #5B66DC

Accessibility & contrast

On white

11.11

#212B9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#212B9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212B9C

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212B9C	#FFFFFF	#000000	##FFFFFF
##212B9C	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429F

Deuteranopia (green-blind)

#00369A

Tritanopia (blue-blind)

#004B60

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #212b9c;
/* rgb */ color: rgb(33, 43, 156);
/* oklch */ color: oklch(37.0% 0.179 270.2);

Tailwind

colors: {
  custom: {
    50: '#7265ba',
    500: '#212b9c',
    950: '#000000',
  },
}

SCSS

$custom: #212b9c;
$custom-light: #7265ba;
$custom-dark: #000000;

JSON

{
  "hex": "#212b9c",
  "rgb": {
    "r": 33,
    "g": 43,
    "b": 156
  },
  "hsl": {
    "h": 235.122,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.36974,
    "c": 0.17946,
    "h": 270.2
  },
  "luminance": 0.04451
}

Semantic roles & 50–950 ramp

primary

#212B9C

secondary

#C1B858

accent

#DA40E8

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090512

muted

#7B7A81

Preview Lab

Preview with #212B9C

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

Preview Lab → · Contrast checker → · Palette generator →