#333571#333571

#333571 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 36.1% C 0.101 H 278.6°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#333571
RGB	rgb(51, 53, 113)
HSL	hsl(238, 38%, 32%)
HSV	hsv(238, 55%, 44%)
CMYK	cmyk(54.9%, 53.1%, 0%, 55.7%)
CIE-LAB	lab(25.08, 17.69, -35.11)
CIE-LCH	lch(25.08, 39.31, 296.75°)
OKLab	oklab(36.11% 0.0151 -0.1001)
OKLCH	oklch(36.11% 0.101 278.6)
XYZ	xyz(5.6180, 4.4419, 16.1809)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333571 #716F33

analogous

#335471 #333571 #503371

triadic

#333571 #713335 #357133

tetradic

#333571 #713354 #716F33 #337150

square

#333571 #713354 #716F33 #337150

split-complementary

#333571 #715033 #547133

monochromatic

#0D0D1D #202147 #333571 #46499B #6568B9

Accessibility & contrast

On white

11.12

#333571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#333571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333571

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333571	#FFFFFF	#000000	##FFFFFF
##333571	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173E73

Deuteranopia (green-blind)

#103970

Tritanopia (blue-blind)

#18424D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #333571;
/* rgb */ color: rgb(51, 53, 113);
/* oklch */ color: oklch(36.1% 0.101 278.6);

Tailwind

colors: {
  custom: {
    50: '#706c9a',
    500: '#333571',
    950: '#000000',
  },
}

SCSS

$custom: #333571;
$custom-light: #706c9a;
$custom-dark: #000000;

JSON

{
  "hex": "#333571",
  "rgb": {
    "r": 51,
    "g": 53,
    "b": 113
  },
  "hsl": {
    "h": 238.065,
    "s": 37.805,
    "l": 32.157
  },
  "oklch": {
    "l": 0.36109,
    "c": 0.10128,
    "h": 278.6
  },
  "luminance": 0.04442
}

Semantic roles & 50–950 ramp

primary

#333571

secondary

#A29F5E

accent

#CA5ACE

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08060E

muted

#7B7A7E

Preview Lab

Preview with #333571

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

Preview Lab → · Contrast checker → · Palette generator →