#212F99#212F99

#212F99 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.3% C 0.171 H 269.6°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#212F99
RGB	rgb(33, 47, 153)
HSL	hsl(233, 65%, 36%)
HSV	hsv(233, 78%, 60%)
CMYK	cmyk(78.4%, 69.3%, 0%, 40%)
CIE-LAB	lab(25.73, 33.55, -59.11)
CIE-LCH	lch(25.73, 67.97, 299.58°)
OKLab	oklab(37.33% -0.0012 -0.1711)
OKLCH	oklch(37.33% 0.171 269.6)
XYZ	xyz(7.3915, 4.6554, 30.6399)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212F99 #998B21

analogous

#216B99 #212F99 #4F2199

triadic

#212F99 #99212F #2F9921

tetradic

#212F99 #99216B #998B21 #21994F

square

#212F99 #99216B #998B21 #21994F

split-complementary

#212F99 #994F21 #6B9921

monochromatic

#0B1034 #162067 #212F99 #2C3ECB #5968DB

Accessibility & contrast

On white

10.87

#212F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#212F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212F99

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212F99	#FFFFFF	#000000	##FFFFFF
##212F99	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439C

Deuteranopia (green-blind)

#003797

Tritanopia (blue-blind)

#004C60

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #212f99;
/* rgb */ color: rgb(33, 47, 153);
/* oklch */ color: oklch(37.3% 0.171 269.6);

Tailwind

colors: {
  custom: {
    50: '#7168b8',
    500: '#212f99',
    950: '#000000',
  },
}

SCSS

$custom: #212f99;
$custom-light: #7168b8;
$custom-dark: #000000;

JSON

{
  "hex": "#212f99",
  "rgb": {
    "r": 33,
    "g": 47,
    "b": 153
  },
  "hsl": {
    "h": 233,
    "s": 64.516,
    "l": 36.471
  },
  "oklch": {
    "l": 0.37331,
    "c": 0.17112,
    "h": 269.6
  },
  "luminance": 0.04656
}

Semantic roles & 50–950 ramp

primary

#212F99

secondary

#BFB356

accent

#D440E8

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #212F99

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

Preview Lab → · Contrast checker → · Palette generator →