#212A8B#212A8B

#212A8B is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.0% C 0.158 H 271.1°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#212A8B
RGB	rgb(33, 42, 139)
HSL	hsl(235, 62%, 34%)
HSV	hsv(235, 76%, 55%)
CMYK	cmyk(76.3%, 69.8%, 0%, 45.5%)
CIE-LAB	lab(23.14, 31.61, -54.72)
CIE-LCH	lch(23.14, 63.19, 300.02°)
OKLab	oklab(35.03% 0.003 -0.1583)
OKLCH	oklch(35.03% 0.158 271.1)
XYZ	xyz(6.1138, 3.8427, 24.8406)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212A8B #8B8221

analogous

#215F8B #212A8B #4D218B

triadic

#212A8B #8B212A #2A8B21

tetradic

#212A8B #8B215F #8B8221 #218B4D

square

#212A8B #8B215F #8B8221 #218B4D

split-complementary

#212A8B #8B4D21 #5F8B21

monochromatic

#0A0C28 #151B5A #212A8B #2D39BC #515CD6

Accessibility & contrast

On white

11.87

#212A8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#212A8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212A8B

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212A8B	#FFFFFF	#000000	##FFFFFF
##212A8B	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8E

Deuteranopia (green-blind)

#003289

Tritanopia (blue-blind)

#004457

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #212a8b;
/* rgb */ color: rgb(33, 42, 139);
/* oklch */ color: oklch(35.0% 0.158 271.1);

Tailwind

colors: {
  custom: {
    50: '#6e64ae',
    500: '#212a8b',
    950: '#000000',
  },
}

SCSS

$custom: #212a8b;
$custom-light: #6e64ae;
$custom-dark: #000000;

JSON

{
  "hex": "#212a8b",
  "rgb": {
    "r": 33,
    "g": 42,
    "b": 139
  },
  "hsl": {
    "h": 234.906,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.35035,
    "c": 0.15833,
    "h": 271.1
  },
  "luminance": 0.03843
}

Semantic roles & 50–950 ramp

primary

#212A8B

secondary

#B9B04F

accent

#D743E5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #212A8B

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

Preview Lab → · Contrast checker → · Palette generator →