#212B9E#212B9E

#212B9E is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.2% C 0.182 H 270.1°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#212B9E
RGB	rgb(33, 43, 158)
HSL	hsl(235, 65%, 37%)
HSV	hsv(235, 79%, 62%)
CMYK	cmyk(79.1%, 72.8%, 0%, 38%)
CIE-LAB	lab(25.32, 37.89, -62.85)
CIE-LCH	lch(25.32, 73.38, 301.08°)
OKLab	oklab(37.19% 0.0002 -0.182)
OKLCH	oklch(37.19% 0.182 270.1)
XYZ	xyz(7.6605, 4.5188, 32.8096)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212B9E #9E9421

analogous

#216A9E #212B9E #56219E

triadic

#212B9E #9E212B #2B9E21

tetradic

#212B9E #9E216A #9E9421 #219E56

square

#212B9E #9E216A #9E9421 #219E56

split-complementary

#212B9E #9E5621 #6A9E21

monochromatic

#0C0F39 #161D6B #212B9E #2C39D1 #5C67DD

Accessibility & contrast

On white

11.03

#212B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#212B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212B9E

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212B9E	#FFFFFF	#000000	##FFFFFF
##212B9E	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A1

Deuteranopia (green-blind)

#00369C

Tritanopia (blue-blind)

#004C61

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #212b9e;
/* rgb */ color: rgb(33, 43, 158);
/* oklch */ color: oklch(37.2% 0.182 270.1);

Tailwind

colors: {
  custom: {
    50: '#7365bc',
    500: '#212b9e',
    950: '#000000',
  },
}

SCSS

$custom: #212b9e;
$custom-light: #7365bc;
$custom-dark: #000000;

JSON

{
  "hex": "#212b9e",
  "rgb": {
    "r": 33,
    "g": 43,
    "b": 158
  },
  "hsl": {
    "h": 235.2,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.37187,
    "c": 0.18201,
    "h": 270.1
  },
  "luminance": 0.0452
}

Semantic roles & 50–950 ramp

primary

#212B9E

secondary

#C1B959

accent

#DB3FE8

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #212B9E

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

Preview Lab → · Contrast checker → · Palette generator →