#212D8A#212D8A

#212D8A is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.5% C 0.153 H 270.5°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#212D8A
RGB	rgb(33, 45, 138)
HSL	hsl(233, 61%, 34%)
HSV	hsv(233, 76%, 54%)
CMYK	cmyk(76.1%, 67.4%, 0%, 45.9%)
CIE-LAB	lab(23.78, 29.26, -53.04)
CIE-LCH	lch(23.78, 60.58, 298.88°)
OKLab	oklab(35.47% 0.0012 -0.1534)
OKLCH	oklch(35.47% 0.153 270.5)
XYZ	xyz(6.1515, 4.0344, 24.4944)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212D8A #8A7E21

analogous

#21618A #212D8A #49218A

triadic

#212D8A #8A212D #2D8A21

tetradic

#212D8A #8A2161 #8A7E21 #218A49

square

#212D8A #8A2161 #8A7E21 #218A49

split-complementary

#212D8A #8A4921 #618A21

monochromatic

#090D27 #151D59 #212D8A #2D3DBB #505FD5

Accessibility & contrast

On white

11.62

#212D8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#212D8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212D8A

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212D8A	#FFFFFF	#000000	##FFFFFF
##212D8A	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)

#003E8D

Deuteranopia (green-blind)

#003488

Tritanopia (blue-blind)

#004657

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #212d8a;
/* rgb */ color: rgb(33, 45, 138);
/* oklch */ color: oklch(35.5% 0.153 270.5);

Tailwind

colors: {
  custom: {
    50: '#6e66ad',
    500: '#212d8a',
    950: '#000000',
  },
}

SCSS

$custom: #212d8a;
$custom-light: #6e66ad;
$custom-dark: #000000;

JSON

{
  "hex": "#212d8a",
  "rgb": {
    "r": 33,
    "g": 45,
    "b": 138
  },
  "hsl": {
    "h": 233.143,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.35472,
    "c": 0.15339,
    "h": 270.5
  },
  "luminance": 0.04035
}

Semantic roles & 50–950 ramp

primary

#212D8A

secondary

#B9AC4E

accent

#D243E5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #212D8A

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

Preview Lab → · Contrast checker → · Palette generator →