#333573#333573

#333573 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.3% C 0.104 H 278.4°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#333573
RGB	rgb(51, 53, 115)
HSL	hsl(238, 39%, 33%)
HSV	hsv(238, 56%, 45%)
CMYK	cmyk(55.7%, 53.9%, 0%, 54.9%)
CIE-LAB	lab(25.22, 18.40, -36.16)
CIE-LCH	lch(25.22, 40.57, 296.97°)
OKLab	oklab(36.26% 0.0153 -0.1032)
OKLCH	oklch(36.26% 0.104 278.4)
XYZ	xyz(5.7319, 4.4875, 16.7805)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333573 #737133

analogous

#335573 #333573 #513373

triadic

#333573 #733335 #357333

tetradic

#333573 #733355 #737133 #337351

square

#333573 #733355 #737133 #337351

split-complementary

#333573 #735133 #557333

monochromatic

#0D0E1E #202149 #333573 #46499D #6568BB

Accessibility & contrast

On white

11.07

#333573 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#333573 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333573

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333573	#FFFFFF	#000000	##FFFFFF
##333573	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153E75

Deuteranopia (green-blind)

#0C3972

Tritanopia (blue-blind)

#16434E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #333573;
/* rgb */ color: rgb(51, 53, 115);
/* oklch */ color: oklch(36.3% 0.104 278.4);

Tailwind

colors: {
  custom: {
    50: '#706c9c',
    500: '#333573',
    950: '#000000',
  },
}

SCSS

$custom: #333573;
$custom-light: #706c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#333573",
  "rgb": {
    "r": 51,
    "g": 53,
    "b": 115
  },
  "hsl": {
    "h": 238.125,
    "s": 38.554,
    "l": 32.549
  },
  "oklch": {
    "l": 0.36259,
    "c": 0.10437,
    "h": 278.4
  },
  "luminance": 0.04488
}

Semantic roles & 50–950 ramp

primary

#333573

secondary

#A3A15F

accent

#CB59CE

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08060E

muted

#7B7A7E

Preview Lab

Preview with #333573

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

Preview Lab → · Contrast checker → · Palette generator →