#3531A3#3531A3

#3531A3 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.9% C 0.177 H 276.3°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#3531A3
RGB	rgb(53, 49, 163)
HSL	hsl(242, 54%, 42%)
HSV	hsv(242, 70%, 64%)
CMYK	cmyk(67.5%, 69.9%, 0%, 36.1%)
CIE-LAB	lab(28.37, 38.11, -60.81)
CIE-LCH	lch(28.37, 71.76, 302.07°)
OKLab	oklab(39.86% 0.0194 -0.1756)
OKLCH	oklch(39.86% 0.177 276.3)
XYZ	xyz(9.1752, 5.5971, 35.2400)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3531A3 #9FA331

analogous

#3166A3 #3531A3 #6E31A3

triadic

#3531A3 #A33531 #31A335

tetradic

#3531A3 #A33166 #9FA331 #31A36E

square

#3531A3 #A33166 #9FA331 #31A36E

split-complementary

#3531A3 #A36E31 #66A331

monochromatic

#161545 #262374 #3531A3 #4D49C8 #7B78D6

Accessibility & contrast

On white

9.91

#3531A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3531A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3531A3

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3531A3	#FFFFFF	#000000	##FFFFFF
##3531A3	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A6

Deuteranopia (green-blind)

#003EA1

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3531a3;
/* rgb */ color: rgb(53, 49, 163);
/* oklch */ color: oklch(39.9% 0.177 276.3);

Tailwind

colors: {
  custom: {
    50: '#7b6abf',
    500: '#3531a3',
    950: '#000000',
  },
}

SCSS

$custom: #3531a3;
$custom-light: #7b6abf;
$custom-dark: #000000;

JSON

{
  "hex": "#3531a3",
  "rgb": {
    "r": 53,
    "g": 49,
    "b": 163
  },
  "hsl": {
    "h": 242.105,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39857,
    "c": 0.17667,
    "h": 276.3
  },
  "luminance": 0.05598
}

Semantic roles & 50–950 ramp

primary

#3531A3

secondary

#BCBF71

accent

#DD4BD8

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3531A3

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

Preview Lab → · Contrast checker → · Palette generator →