#212B8F#212B8F

#212B8F is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.6% C 0.163 H 270.7°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#212B8F
RGB	rgb(33, 43, 143)
HSL	hsl(235, 63%, 35%)
HSV	hsv(235, 77%, 56%)
CMYK	cmyk(76.9%, 69.9%, 0%, 43.9%)
CIE-LAB	lab(23.78, 32.44, -56.15)
CIE-LCH	lch(23.78, 64.85, 300.01°)
OKLab	oklab(35.62% 0.002 -0.1625)
OKLCH	oklch(35.62% 0.163 270.7)
XYZ	xyz(6.4473, 4.0336, 26.4200)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212B8F #8F8521

analogous

#21628F #212B8F #4E218F

triadic

#212B8F #8F212B #2B8F21

tetradic

#212B8F #8F2162 #8F8521 #218F4E

square

#212B8F #8F2162 #8F8521 #218F4E

split-complementary

#212B8F #8F4E21 #628F21

monochromatic

#0A0D2C #161C5D #212B8F #2C3AC1 #535FD7

Accessibility & contrast

On white

11.62

#212B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#212B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212B8F

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212B8F	#FFFFFF	#000000	##FFFFFF
##212B8F	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E92

Deuteranopia (green-blind)

#00338D

Tritanopia (blue-blind)

#004659

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #212b8f;
/* rgb */ color: rgb(33, 43, 143);
/* oklch */ color: oklch(35.6% 0.163 270.7);

Tailwind

colors: {
  custom: {
    50: '#6f64b1',
    500: '#212b8f',
    950: '#000000',
  },
}

SCSS

$custom: #212b8f;
$custom-light: #6f64b1;
$custom-dark: #000000;

JSON

{
  "hex": "#212b8f",
  "rgb": {
    "r": 33,
    "g": 43,
    "b": 143
  },
  "hsl": {
    "h": 234.545,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.35618,
    "c": 0.16251,
    "h": 270.7
  },
  "luminance": 0.04034
}

Semantic roles & 50–950 ramp

primary

#212B8F

secondary

#BBB151

accent

#D742E6

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #212B8F

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

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