#212F8F#212F8F

#212F8F is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.3% C 0.158 H 269.9°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#212F8F
RGB	rgb(33, 47, 143)
HSL	hsl(232, 63%, 35%)
HSV	hsv(232, 77%, 56%)
CMYK	cmyk(76.9%, 67.1%, 0%, 43.9%)
CIE-LAB	lab(24.76, 29.82, -54.55)
CIE-LCH	lch(24.76, 62.16, 298.66°)
OKLab	oklab(36.33% -0.0004 -0.1578)
OKLCH	oklch(36.33% 0.158 269.9)
XYZ	xyz(6.5999, 4.3388, 26.4709)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212F8F #8F8121

analogous

#21668F #212F8F #4A218F

triadic

#212F8F #8F212F #2F8F21

tetradic

#212F8F #8F2166 #8F8121 #218F4A

square

#212F8F #8F2166 #8F8121 #218F4A

split-complementary

#212F8F #8F4A21 #668F21

monochromatic

#0A0E2C #161F5D #212F8F #2C3FC1 #5364D7

Accessibility & contrast

On white

11.24

#212F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#212F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212F8F

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212F8F	#FFFFFF	#000000	##FFFFFF
##212F8F	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004092

Deuteranopia (green-blind)

#00368D

Tritanopia (blue-blind)

#00495A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #212f8f;
/* rgb */ color: rgb(33, 47, 143);
/* oklch */ color: oklch(36.3% 0.158 269.9);

Tailwind

colors: {
  custom: {
    50: '#6f67b1',
    500: '#212f8f',
    950: '#000000',
  },
}

SCSS

$custom: #212f8f;
$custom-light: #6f67b1;
$custom-dark: #000000;

JSON

{
  "hex": "#212f8f",
  "rgb": {
    "r": 33,
    "g": 47,
    "b": 143
  },
  "hsl": {
    "h": 232.364,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.36331,
    "c": 0.15778,
    "h": 269.9
  },
  "luminance": 0.0434
}

Semantic roles & 50–950 ramp

primary

#212F8F

secondary

#BBAD51

accent

#D142E6

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #212F8F

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

Preview Lab → · Contrast checker → · Palette generator →