#3524B3#3524B3

#3524B3 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.7% C 0.209 H 276.4°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#3524B3
RGB	rgb(53, 36, 179)
HSL	hsl(247, 67%, 42%)
HSV	hsv(247, 80%, 70%)
CMYK	cmyk(70.4%, 79.9%, 0%, 29.8%)
CIE-LAB	lab(27.50, 50.38, -71.87)
CIE-LCH	lch(27.50, 87.77, 305.03°)
OKLab	oklab(39.73% 0.0234 -0.2077)
OKLCH	oklch(39.73% 0.209 276.4)
XYZ	xyz(10.2331, 5.2724, 43.1175)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3524B3 #A2B324

analogous

#245AB3 #3524B3 #7D24B3

triadic

#3524B3 #B33524 #24B335

tetradic

#3524B3 #B3245A #A2B324 #24B37D

square

#3524B3 #B3245A #A2B324 #24B37D

split-complementary

#3524B3 #B37D24 #5AB324

monochromatic

#17104D #261A80 #3524B3 #4F3CD8 #7D6FE2

Accessibility & contrast

On white

10.22

#3524B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#3524B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3524B3

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3524B3	#FFFFFF	#000000	##FFFFFF
##3524B3	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B7

Deuteranopia (green-blind)

#003BB1

Tritanopia (blue-blind)

#00506C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3524b3;
/* rgb */ color: rgb(53, 36, 179);
/* oklch */ color: oklch(39.7% 0.209 276.4);

Tailwind

colors: {
  custom: {
    50: '#8063cb',
    500: '#3524b3',
    950: '#000000',
  },
}

SCSS

$custom: #3524b3;
$custom-light: #8063cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3524b3",
  "rgb": {
    "r": 53,
    "g": 36,
    "b": 179
  },
  "hsl": {
    "h": 247.133,
    "s": 66.512,
    "l": 42.157
  },
  "oklch": {
    "l": 0.3973,
    "c": 0.20905,
    "h": 276.4
  },
  "luminance": 0.05273
}

Semantic roles & 50–950 ramp

primary

#3524B3

secondary

#BDC96A

accent

#E93ED5

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0513

muted

#7D7A82

Preview Lab

Preview with #3524B3

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

Preview Lab → · Contrast checker → · Palette generator →