#3F56E2#3F56E2

#3F56E2 is a mid, highly saturated blue. Relative luminance 0.132; OKLCH L 52.4% C 0.213 H 270.1°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#3F56E2
RGB	rgb(63, 86, 226)
HSL	hsl(232, 74%, 57%)
HSV	hsv(232, 72%, 89%)
CMYK	cmyk(72.1%, 61.9%, 0%, 11.4%)
CIE-LAB	lab(43.06, 38.28, -73.59)
CIE-LCH	lch(43.06, 82.95, 297.48°)
OKLab	oklab(52.43% 0.0002 -0.2126)
OKLCH	oklch(52.43% 0.213 270.1)
XYZ	xyz(19.1005, 13.2013, 73.4782)
Luminance	0.1320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F56E2 #E2CB3F

analogous

#3FA8E2 #3F56E2 #7A3FE2

triadic

#3F56E2 #E23F56 #56E23F

tetradic

#3F56E2 #E23FA8 #E2CB3F #3FE27A

square

#3F56E2 #E23FA8 #E2CB3F #3FE27A

split-complementary

#3F56E2 #E27A3F #A8E23F

monochromatic

#162791 #1E36C6 #3F56E2 #7485EA #A9B4F2

Accessibility & contrast

On white

5.77

#3F56E2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#3F56E2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F56E2

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F56E2	#FFFFFF	#000000	##FFFFFF
##3F56E2	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DE7

Deuteranopia (green-blind)

#005EDF

Tritanopia (blue-blind)

#007A94

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3f56e2;
/* rgb */ color: rgb(63, 86, 226);
/* oklch */ color: oklch(52.4% 0.213 270.1);

Tailwind

colors: {
  custom: {
    50: '#8a85ec',
    500: '#3f56e2',
    950: '#000000',
  },
}

SCSS

$custom: #3f56e2;
$custom-light: #8a85ec;
$custom-dark: #000000;

JSON

{
  "hex": "#3f56e2",
  "rgb": {
    "r": 63,
    "g": 86,
    "b": 226
  },
  "hsl": {
    "h": 231.534,
    "s": 73.756,
    "l": 56.667
  },
  "oklch": {
    "l": 0.52426,
    "c": 0.2126,
    "h": 270.1
  },
  "luminance": 0.13203
}

Semantic roles & 50–950 ramp

primary

#3F56E2

secondary

#E0D69D

accent

#D637F0

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #3F56E2

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

Preview Lab → · Contrast checker → · Palette generator →