#213771#213771

#213771 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.3% C 0.104 H 265.7°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#213771
RGB	rgb(33, 55, 113)
HSL	hsl(224, 55%, 29%)
HSV	hsv(224, 71%, 44%)
CMYK	cmyk(70.8%, 51.3%, 0%, 55.7%)
CIE-LAB	lab(24.47, 12.56, -36.15)
CIE-LCH	lch(24.47, 38.27, 289.15°)
OKLab	oklab(35.34% -0.0078 -0.1036)
OKLCH	oklch(35.34% 0.104 265.7)
XYZ	xyz(4.9730, 4.2475, 16.1773)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213771 #715B21

analogous

#215F71 #213771 #332171

triadic

#213771 #712137 #377121

tetradic

#213771 #71215F #715B21 #217133

square

#213771 #71215F #715B21 #217133

split-complementary

#213771 #713321 #5F7121

monochromatic

#070C18 #132042 #213771 #2F4EA0 #4468C8

Accessibility & contrast

On white

11.35

#213771 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#213771 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213771

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213771	#FFFFFF	#000000	##FFFFFF
##213771	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173E73

Deuteranopia (green-blind)

#033770

Tritanopia (blue-blind)

#00454E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #213771;
/* rgb */ color: rgb(33, 55, 113);
/* oklch */ color: oklch(35.3% 0.104 265.7);

Tailwind

colors: {
  custom: {
    50: '#676d9a',
    500: '#213771',
    950: '#000000',
  },
}

SCSS

$custom: #213771;
$custom-light: #676d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#213771",
  "rgb": {
    "r": 33,
    "g": 55,
    "b": 113
  },
  "hsl": {
    "h": 223.5,
    "s": 54.795,
    "l": 28.627
  },
  "oklch": {
    "l": 0.35335,
    "c": 0.10393,
    "h": 265.7
  },
  "luminance": 0.04248
}

Semantic roles & 50–950 ramp

primary

#213771

secondary

#A58B49

accent

#B54ADE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #213771

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

Preview Lab → · Contrast checker → · Palette generator →