#3538D1#3538D1

#3538D1 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.5% C 0.226 H 272.1°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#3538D1
RGB	rgb(53, 56, 209)
HSL	hsl(239, 63%, 51%)
HSV	hsv(239, 75%, 82%)
CMYK	cmyk(74.6%, 73.2%, 0%, 18%)
CIE-LAB	lab(34.37, 49.36, -78.15)
CIE-LCH	lch(34.37, 92.43, 302.28°)
OKLab	oklab(45.51% 0.0082 -0.2262)
OKLCH	oklch(45.51% 0.226 272.1)
XYZ	xyz(14.3871, 8.1872, 61.1313)
Luminance	0.0819 (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

#3538D1 #D1CE35

analogous

#3586D1 #3538D1 #8035D1

triadic

#3538D1 #D13538 #38D135

tetradic

#3538D1 #D13586 #D1CE35 #35D180

square

#3538D1 #D13586 #D1CE35 #35D180

split-complementary

#3538D1 #D18035 #86D135

monochromatic

#1A1C72 #2528A4 #3538D1 #6769DC #999AE8

Accessibility & contrast

On white

7.96

#3538D1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3538D1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3538D1

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3538D1	#FFFFFF	#000000	##FFFFFF
##3538D1	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D5

Deuteranopia (green-blind)

#0049CE

Tritanopia (blue-blind)

#006481

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3538d1;
/* rgb */ color: rgb(53, 56, 209);
/* oklch */ color: oklch(45.5% 0.226 272.1);

Tailwind

colors: {
  custom: {
    50: '#8570e0',
    500: '#3538d1',
    950: '#000000',
  },
}

SCSS

$custom: #3538d1;
$custom-light: #8570e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3538d1",
  "rgb": {
    "r": 53,
    "g": 56,
    "b": 209
  },
  "hsl": {
    "h": 238.846,
    "s": 62.903,
    "l": 51.373
  },
  "oklch": {
    "l": 0.45509,
    "c": 0.22634,
    "h": 272.1
  },
  "luminance": 0.08189
}

Semantic roles & 50–950 ramp

primary

#3538D1

secondary

#D3D28F

accent

#E342E6

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3538D1

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

Preview Lab → · Contrast checker → · Palette generator →