#212F8B#212F8B

#212F8B is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.9% C 0.152 H 270.0°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#212F8B
RGB	rgb(33, 47, 139)
HSL	hsl(232, 62%, 34%)
HSV	hsv(232, 76%, 55%)
CMYK	cmyk(76.3%, 66.2%, 0%, 45.5%)
CIE-LAB	lab(24.39, 28.30, -52.68)
CIE-LCH	lch(24.39, 59.80, 298.25°)
OKLab	oklab(35.94% -0.0001 -0.1523)
OKLCH	oklch(35.94% 0.152 270)
XYZ	xyz(6.3023, 4.2198, 24.9034)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212F8B #8B7D21

analogous

#21648B #212F8B #48218B

triadic

#212F8B #8B212F #2F8B21

tetradic

#212F8B #8B2164 #8B7D21 #218B48

square

#212F8B #8B2164 #8B7D21 #218B48

split-complementary

#212F8B #8B4821 #648B21

monochromatic

#0A0E28 #151E5A #212F8B #2D40BC #5162D6

Accessibility & contrast

On white

11.39

#212F8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#212F8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212F8B

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212F8B	#FFFFFF	#000000	##FFFFFF
##212F8B	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8E

Deuteranopia (green-blind)

#003589

Tritanopia (blue-blind)

#004758

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #212f8b;
/* rgb */ color: rgb(33, 47, 139);
/* oklch */ color: oklch(35.9% 0.152 270.0);

Tailwind

colors: {
  custom: {
    50: '#6e67ae',
    500: '#212f8b',
    950: '#000000',
  },
}

SCSS

$custom: #212f8b;
$custom-light: #6e67ae;
$custom-dark: #000000;

JSON

{
  "hex": "#212f8b",
  "rgb": {
    "r": 33,
    "g": 47,
    "b": 139
  },
  "hsl": {
    "h": 232.075,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.3594,
    "c": 0.15232,
    "h": 270
  },
  "luminance": 0.0422
}

Semantic roles & 50–950 ramp

primary

#212F8B

secondary

#B9AB4F

accent

#CF43E5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #212F8B

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

Preview Lab → · Contrast checker → · Palette generator →