#213A91#213A91

#213A91 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.7% C 0.147 H 266.9°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#213A91
RGB	rgb(33, 58, 145)
HSL	hsl(227, 63%, 35%)
HSV	hsv(227, 77%, 57%)
CMYK	cmyk(77.2%, 60%, 0%, 43.1%)
CIE-LAB	lab(27.83, 23.14, -50.77)
CIE-LCH	lch(27.83, 55.79, 294.50°)
OKLab	oklab(38.65% -0.0079 -0.1466)
OKLCH	oklch(38.65% 0.147 266.9)
XYZ	xyz(7.2493, 5.3930, 27.4415)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213A91 #917821

analogous

#217291 #213A91 #402191

triadic

#213A91 #91213A #3A9121

tetradic

#213A91 #912172 #917821 #219140

square

#213A91 #912172 #917821 #219140

split-complementary

#213A91 #914021 #729121

monochromatic

#0A122D #16265F #213A91 #2C4EC3 #5472D8

Accessibility & contrast

On white

10.10

#213A91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#213A91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213A91

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213A91	#FFFFFF	#000000	##FFFFFF
##213A91	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004794

Deuteranopia (green-blind)

#003D8F

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #213a91;
/* rgb */ color: rgb(33, 58, 145);
/* oklch */ color: oklch(38.7% 0.147 266.9);

Tailwind

colors: {
  custom: {
    50: '#6e6fb2',
    500: '#213a91',
    950: '#000000',
  },
}

SCSS

$custom: #213a91;
$custom-light: #6e6fb2;
$custom-dark: #000000;

JSON

{
  "hex": "#213a91",
  "rgb": {
    "r": 33,
    "g": 58,
    "b": 145
  },
  "hsl": {
    "h": 226.607,
    "s": 62.921,
    "l": 34.902
  },
  "oklch": {
    "l": 0.38652,
    "c": 0.1468,
    "h": 266.9
  },
  "luminance": 0.05394
}

Semantic roles & 50–950 ramp

primary

#213A91

secondary

#BCA452

accent

#C142E6

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #213A91

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

Preview Lab → · Contrast checker → · Palette generator →