#3539C7#3539C7

#3539C7 is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.6% C 0.213 H 272.5°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#3539C7
RGB	rgb(53, 57, 199)
HSL	hsl(238, 58%, 49%)
HSV	hsv(238, 73%, 78%)
CMYK	cmyk(73.4%, 71.4%, 0%, 22%)
CIE-LAB	lab(33.57, 45.49, -73.64)
CIE-LCH	lch(33.57, 86.56, 301.70°)
OKLab	oklab(44.64% 0.0093 -0.2131)
OKLCH	oklch(44.64% 0.213 272.5)
XYZ	xyz(13.2367, 7.8053, 54.8307)
Luminance	0.0781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.21

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3539C7 #C7C335

analogous

#3582C7 #3539C7 #7A35C7

triadic

#3539C7 #C73539 #39C735

tetradic

#3539C7 #C73582 #C7C335 #35C77A

square

#3539C7 #C73582 #C7C335 #35C77A

split-complementary

#3539C7 #C77A35 #82C735

monochromatic

#1B1D66 #282B97 #3539C7 #6467D6 #9496E2

Accessibility & contrast

On white

8.20

#3539C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#3539C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3539C7

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3539C7	#FFFFFF	#000000	##FFFFFF
##3539C7	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056CB

Deuteranopia (green-blind)

#0048C4

Tritanopia (blue-blind)

#00617C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3539c7;
/* rgb */ color: rgb(53, 57, 199);
/* oklch */ color: oklch(44.6% 0.213 272.5);

Tailwind

colors: {
  custom: {
    50: '#8271d9',
    500: '#3539c7',
    950: '#000000',
  },
}

SCSS

$custom: #3539c7;
$custom-light: #8271d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3539c7",
  "rgb": {
    "r": 53,
    "g": 57,
    "b": 199
  },
  "hsl": {
    "h": 238.356,
    "s": 57.937,
    "l": 49.412
  },
  "oklch": {
    "l": 0.44642,
    "c": 0.21328,
    "h": 272.5
  },
  "luminance": 0.07807
}

Semantic roles & 50–950 ramp

primary

#3539C7

secondary

#CECC8A

accent

#DD47E1

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3539C7

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

Preview Lab → · Contrast checker → · Palette generator →