#3531AD#3531AD

#3531AD is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.8% C 0.189 H 275.4°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#3531AD
RGB	rgb(53, 49, 173)
HSL	hsl(242, 56%, 44%)
HSV	hsv(242, 72%, 68%)
CMYK	cmyk(69.4%, 71.7%, 0%, 32.2%)
CIE-LAB	lab(29.34, 41.47, -65.25)
CIE-LCH	lch(29.34, 77.31, 302.44°)
OKLab	oklab(40.84% 0.0179 -0.1886)
OKLCH	oklch(40.84% 0.189 275.4)
XYZ	xyz(10.1069, 5.9697, 40.1467)
Luminance	0.0597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3531AD #A9AD31

analogous

#316BAD #3531AD #7331AD

triadic

#3531AD #AD3531 #31AD35

tetradic

#3531AD #AD316B #A9AD31 #31AD73

square

#3531AD #AD316B #A9AD31 #31AD73

split-complementary

#3531AD #AD7331 #6BAD31

monochromatic

#18164E #26237D #3531AD #524ECD #817EDA

Accessibility & contrast

On white

9.57

#3531AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#3531AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3531AD

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3531AD	#FFFFFF	#000000	##FFFFFF
##3531AD	1.00	9.57	2.19	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB1

Deuteranopia (green-blind)

#003FAB

Tritanopia (blue-blind)

#00536B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3531ad;
/* rgb */ color: rgb(53, 49, 173);
/* oklch */ color: oklch(40.8% 0.189 275.4);

Tailwind

colors: {
  custom: {
    50: '#7d6ac7',
    500: '#3531ad',
    950: '#000000',
  },
}

SCSS

$custom: #3531ad;
$custom-light: #7d6ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#3531ad",
  "rgb": {
    "r": 53,
    "g": 49,
    "b": 173
  },
  "hsl": {
    "h": 241.935,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.40841,
    "c": 0.18941,
    "h": 275.4
  },
  "luminance": 0.05971
}

Semantic roles & 50–950 ramp

primary

#3531AD

secondary

#C1C377

accent

#DF49DA

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3531AD

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

Preview Lab → · Contrast checker → · Palette generator →