#213591#213591

#213591 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.7% C 0.153 H 268.4°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#213591
RGB	rgb(33, 53, 145)
HSL	hsl(229, 63%, 35%)
HSV	hsv(229, 77%, 57%)
CMYK	cmyk(77.2%, 63.4%, 0%, 43.1%)
CIE-LAB	lab(26.49, 26.55, -52.96)
CIE-LCH	lch(26.49, 59.24, 296.63°)
OKLab	oklab(37.66% -0.0043 -0.1531)
OKLCH	oklch(37.66% 0.153 268.4)
XYZ	xyz(7.0094, 4.9131, 27.3615)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213591 #917D21

analogous

#216D91 #213591 #452191

triadic

#213591 #912135 #359121

tetradic

#213591 #91216D #917D21 #219145

square

#213591 #91216D #917D21 #219145

split-complementary

#213591 #914521 #6D9121

monochromatic

#0A112D #16235F #213591 #2C47C3 #546CD8

Accessibility & contrast

On white

10.59

#213591 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#213591 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213591

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213591	#FFFFFF	#000000	##FFFFFF
##213591	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004494

Deuteranopia (green-blind)

#003A8F

Tritanopia (blue-blind)

#004D5E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #213591;
/* rgb */ color: rgb(33, 53, 145);
/* oklch */ color: oklch(37.7% 0.153 268.4);

Tailwind

colors: {
  custom: {
    50: '#6f6cb2',
    500: '#213591',
    950: '#000000',
  },
}

SCSS

$custom: #213591;
$custom-light: #6f6cb2;
$custom-dark: #000000;

JSON

{
  "hex": "#213591",
  "rgb": {
    "r": 33,
    "g": 53,
    "b": 145
  },
  "hsl": {
    "h": 229.286,
    "s": 62.921,
    "l": 34.902
  },
  "oklch": {
    "l": 0.37656,
    "c": 0.15313,
    "h": 268.4
  },
  "luminance": 0.04914
}

Semantic roles & 50–950 ramp

primary

#213591

secondary

#BCA952

accent

#C942E6

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #213591

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

Preview Lab → · Contrast checker → · Palette generator →