#3539CC#3539CC

#3539CC is a mid, highly saturated blue. Relative luminance 0.080; OKLCH L 45.1% C 0.219 H 272.2°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#3539CC
RGB	rgb(53, 57, 204)
HSL	hsl(238, 60%, 50%)
HSV	hsv(238, 74%, 80%)
CMYK	cmyk(74%, 72.1%, 0%, 20%)
CIE-LAB	lab(34.07, 47.15, -75.74)
CIE-LCH	lch(34.07, 89.22, 301.90°)
OKLab	oklab(45.14% 0.0086 -0.2192)
OKLCH	oklch(45.14% 0.219 272.2)
XYZ	xyz(13.8267, 8.0413, 57.9385)
Luminance	0.0804 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.32

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3539CC #CCC835

analogous

#3584CC #3539CC #7D35CC

triadic

#3539CC #CC3539 #39CC35

tetradic

#3539CC #CC3584 #CCC835 #35CC7D

square

#3539CC #CC3584 #CCC835 #35CC7D

split-complementary

#3539CC #CC7D35 #84CC35

monochromatic

#1B1D6B #272B9C #3539CC #6669D8 #9799E5

Accessibility & contrast

On white

8.05

#3539CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3539CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3539CC

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3539CC	#FFFFFF	#000000	##FFFFFF
##3539CC	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057D0

Deuteranopia (green-blind)

#0049C9

Tritanopia (blue-blind)

#00637F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3539cc;
/* rgb */ color: rgb(53, 57, 204);
/* oklch */ color: oklch(45.1% 0.219 272.2);

Tailwind

colors: {
  custom: {
    50: '#8471dd',
    500: '#3539cc',
    950: '#000000',
  },
}

SCSS

$custom: #3539cc;
$custom-light: #8471dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3539cc",
  "rgb": {
    "r": 53,
    "g": 57,
    "b": 204
  },
  "hsl": {
    "h": 238.411,
    "s": 59.684,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45144,
    "c": 0.21937,
    "h": 272.2
  },
  "luminance": 0.08043
}

Semantic roles & 50–950 ramp

primary

#3539CC

secondary

#D0CE8D

accent

#DF45E3

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #3539CC

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

Preview Lab → · Contrast checker → · Palette generator →