#213378#213378

#213378 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 35.0% C 0.120 H 268.5°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#213378
RGB	rgb(33, 51, 120)
HSL	hsl(228, 57%, 30%)
HSV	hsv(228, 73%, 47%)
CMYK	cmyk(72.5%, 57.5%, 0%, 52.9%)
CIE-LAB	lab(23.82, 18.15, -41.65)
CIE-LCH	lch(23.82, 45.44, 293.55°)
OKLab	oklab(35.01% -0.0032 -0.1199)
OKLCH	oklch(35.01% 0.12 268.5)
XYZ	xyz(5.2000, 4.0465, 18.2727)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213378 #786621

analogous

#215F78 #213378 #3A2178

triadic

#213378 #782133 #337821

tetradic

#213378 #78215F #786621 #21783A

square

#213378 #78215F #786621 #21783A

split-complementary

#213378 #783A21 #5F7821

monochromatic

#070A18 #141F48 #213378 #2E47A8 #4763CC

Accessibility & contrast

On white

11.61

#213378 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#213378 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213378

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213378	#FFFFFF	#000000	##FFFFFF
##213378	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7A

Deuteranopia (green-blind)

#003577

Tritanopia (blue-blind)

#004450

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #213378;
/* rgb */ color: rgb(33, 51, 120);
/* oklch */ color: oklch(35.0% 0.120 268.5);

Tailwind

colors: {
  custom: {
    50: '#696aa0',
    500: '#213378',
    950: '#000000',
  },
}

SCSS

$custom: #213378;
$custom-light: #696aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#213378",
  "rgb": {
    "r": 33,
    "g": 51,
    "b": 120
  },
  "hsl": {
    "h": 227.586,
    "s": 56.863,
    "l": 30
  },
  "oklch": {
    "l": 0.35012,
    "c": 0.11995,
    "h": 268.5
  },
  "luminance": 0.04047
}

Semantic roles & 50–950 ramp

primary

#213378

secondary

#AB974A

accent

#C148E0

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #213378

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

Preview Lab → · Contrast checker → · Palette generator →