#212B9A#212B9A

#212B9A is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.8% C 0.177 H 270.2°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#212B9A
RGB	rgb(33, 43, 154)
HSL	hsl(235, 65%, 37%)
HSV	hsv(235, 79%, 60%)
CMYK	cmyk(78.6%, 72.1%, 0%, 39.6%)
CIE-LAB	lab(24.90, 36.45, -61.09)
CIE-LCH	lch(24.90, 71.14, 300.82°)
OKLab	oklab(36.76% 0.0007 -0.1769)
OKLCH	oklch(36.76% 0.177 270.2)
XYZ	xyz(7.3218, 4.3834, 31.0258)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212B9A #9A9021

analogous

#21689A #212B9A #54219A

triadic

#212B9A #9A212B #2B9A21

tetradic

#212B9A #9A2168 #9A9021 #219A54

square

#212B9A #9A2168 #9A9021 #219A54

split-complementary

#212B9A #9A5421 #689A21

monochromatic

#0B0F35 #161D68 #212B9A #2C39CC #5A65DC

Accessibility & contrast

On white

11.19

#212B9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#212B9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212B9A

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212B9A	#FFFFFF	#000000	##FFFFFF
##212B9A	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419D

Deuteranopia (green-blind)

#003598

Tritanopia (blue-blind)

#004A5F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #212b9a;
/* rgb */ color: rgb(33, 43, 154);
/* oklch */ color: oklch(36.8% 0.177 270.2);

Tailwind

colors: {
  custom: {
    50: '#7265b9',
    500: '#212b9a',
    950: '#000000',
  },
}

SCSS

$custom: #212b9a;
$custom-light: #7265b9;
$custom-dark: #000000;

JSON

{
  "hex": "#212b9a",
  "rgb": {
    "r": 33,
    "g": 43,
    "b": 154
  },
  "hsl": {
    "h": 235.041,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36762,
    "c": 0.17689,
    "h": 270.2
  },
  "luminance": 0.04384
}

Semantic roles & 50–950 ramp

primary

#212B9A

secondary

#C0B757

accent

#DA40E8

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090512

muted

#7B7A81

Preview Lab

Preview with #212B9A

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

Preview Lab → · Contrast checker → · Palette generator →