#213770#213770

#213770 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.3% C 0.102 H 265.6°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#213770
RGB	rgb(33, 55, 112)
HSL	hsl(223, 54%, 28%)
HSV	hsv(223, 71%, 44%)
CMYK	cmyk(70.5%, 50.9%, 0%, 56.1%)
CIE-LAB	lab(24.40, 12.16, -35.62)
CIE-LCH	lch(24.40, 37.64, 288.84°)
OKLab	oklab(35.26% -0.0079 -0.1021)
OKLCH	oklch(35.26% 0.102 265.6)
XYZ	xyz(4.9170, 4.2251, 15.8825)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213770 #705A21

analogous

#215E70 #213770 #322170

triadic

#213770 #702137 #377021

tetradic

#213770 #70215E #705A21 #217032

square

#213770 #70215E #705A21 #217032

split-complementary

#213770 #703221 #5E7021

monochromatic

#070C18 #132041 #213770 #2F4E9F #4468C8

Accessibility & contrast

On white

11.38

#213770 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#213770 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213770

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213770	#FFFFFF	#000000	##FFFFFF
##213770	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183E72

Deuteranopia (green-blind)

#05376F

Tritanopia (blue-blind)

#00444E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #213770;
/* rgb */ color: rgb(33, 55, 112);
/* oklch */ color: oklch(35.3% 0.102 265.6);

Tailwind

colors: {
  custom: {
    50: '#666d99',
    500: '#213770',
    950: '#000000',
  },
}

SCSS

$custom: #213770;
$custom-light: #666d99;
$custom-dark: #000000;

JSON

{
  "hex": "#213770",
  "rgb": {
    "r": 33,
    "g": 55,
    "b": 112
  },
  "hsl": {
    "h": 223.291,
    "s": 54.483,
    "l": 28.431
  },
  "oklch": {
    "l": 0.35258,
    "c": 0.1024,
    "h": 265.6
  },
  "luminance": 0.04226
}

Semantic roles & 50–950 ramp

primary

#213770

secondary

#A48A49

accent

#B54ADE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #213770

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

Preview Lab → · Contrast checker → · Palette generator →