#212B99#212B99

#212B99 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.7% C 0.176 H 270.3°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#212B99
RGB	rgb(33, 43, 153)
HSL	hsl(235, 65%, 36%)
HSV	hsv(235, 78%, 60%)
CMYK	cmyk(78.4%, 71.9%, 0%, 40%)
CIE-LAB	lab(24.80, 36.09, -60.65)
CIE-LCH	lch(24.80, 70.58, 300.76°)
OKLab	oklab(36.66% 0.0009 -0.1756)
OKLCH	oklch(36.66% 0.176 270.3)
XYZ	xyz(7.2389, 4.3502, 30.5890)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212B99 #998F21

analogous

#216799 #212B99 #532199

triadic

#212B99 #99212B #2B9921

tetradic

#212B99 #992167 #998F21 #219953

square

#212B99 #992167 #998F21 #219953

split-complementary

#212B99 #995321 #679921

monochromatic

#0B0F34 #161D67 #212B99 #2C39CB #5964DB

Accessibility & contrast

On white

11.23

#212B99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#212B99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212B99

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212B99	#FFFFFF	#000000	##FFFFFF
##212B99	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419C

Deuteranopia (green-blind)

#003597

Tritanopia (blue-blind)

#004A5F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #212b99;
/* rgb */ color: rgb(33, 43, 153);
/* oklch */ color: oklch(36.7% 0.176 270.3);

Tailwind

colors: {
  custom: {
    50: '#7265b8',
    500: '#212b99',
    950: '#000000',
  },
}

SCSS

$custom: #212b99;
$custom-light: #7265b8;
$custom-dark: #000000;

JSON

{
  "hex": "#212b99",
  "rgb": {
    "r": 33,
    "g": 43,
    "b": 153
  },
  "hsl": {
    "h": 235,
    "s": 64.516,
    "l": 36.471
  },
  "oklch": {
    "l": 0.36657,
    "c": 0.1756,
    "h": 270.3
  },
  "luminance": 0.04351
}

Semantic roles & 50–950 ramp

primary

#212B99

secondary

#BFB756

accent

#DA40E8

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #212B99

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

Preview Lab → · Contrast checker → · Palette generator →