#213571#213571

#213571 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.9% C 0.107 H 266.9°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#213571
RGB	rgb(33, 53, 113)
HSL	hsl(225, 55%, 29%)
HSV	hsv(225, 71%, 44%)
CMYK	cmyk(70.8%, 53.1%, 0%, 55.7%)
CIE-LAB	lab(23.87, 13.97, -37.11)
CIE-LCH	lch(23.87, 39.66, 290.62°)
OKLab	oklab(34.88% -0.0058 -0.1065)
OKLCH	oklch(34.88% 0.107 266.9)
XYZ	xyz(4.8799, 4.0613, 16.1463)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213571 #715D21

analogous

#215D71 #213571 #352171

triadic

#213571 #712135 #357121

tetradic

#213571 #71215D #715D21 #217135

square

#213571 #71215D #715D21 #217135

split-complementary

#213571 #713521 #5D7121

monochromatic

#070B18 #131F42 #213571 #2F4BA0 #4465C8

Accessibility & contrast

On white

11.59

#213571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#213571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213571

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213571	#FFFFFF	#000000	##FFFFFF
##213571	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#123D73

Deuteranopia (green-blind)

#003570

Tritanopia (blue-blind)

#00434D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #213571;
/* rgb */ color: rgb(33, 53, 113);
/* oklch */ color: oklch(34.9% 0.107 266.9);

Tailwind

colors: {
  custom: {
    50: '#676b9a',
    500: '#213571',
    950: '#000000',
  },
}

SCSS

$custom: #213571;
$custom-light: #676b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#213571",
  "rgb": {
    "r": 33,
    "g": 53,
    "b": 113
  },
  "hsl": {
    "h": 225,
    "s": 54.795,
    "l": 28.627
  },
  "oklch": {
    "l": 0.34878,
    "c": 0.10667,
    "h": 266.9
  },
  "luminance": 0.04062
}

Semantic roles & 50–950 ramp

primary

#213571

secondary

#A58E49

accent

#B94ADE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #213571

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

Preview Lab → · Contrast checker → · Palette generator →