#3F5EC4#3F5EC4

#3F5EC4 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.5% C 0.163 H 267.6°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#3F5EC4
RGB	rgb(63, 94, 196)
HSL	hsl(226, 53%, 51%)
HSV	hsv(226, 68%, 77%)
CMYK	cmyk(67.9%, 52%, 0%, 23.1%)
CIE-LAB	lab(42.83, 22.56, -56.76)
CIE-LCH	lch(42.83, 61.08, 291.68°)
OKLab	oklab(51.54% -0.0068 -0.1631)
OKLCH	oklch(51.54% 0.163 267.6)
XYZ	xyz(16.0130, 13.0461, 53.8881)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5EC4 #C4A53F

analogous

#3FA0C4 #3F5EC4 #623FC4

triadic

#3F5EC4 #C43F5E #5EC43F

tetradic

#3F5EC4 #C43FA0 #C4A53F #3FC462

square

#3F5EC4 #C43FA0 #C4A53F #3FC462

split-complementary

#3F5EC4 #C4623F #A0C43F

monochromatic

#203168 #2E4797 #3F5EC4 #6E85D2 #9DADE1

Accessibility & contrast

On white

5.82

#3F5EC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#3F5EC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F5EC4

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5EC4	#FFFFFF	#000000	##FFFFFF
##3F5EC4	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D6BC8

Deuteranopia (green-blind)

#005FC2

Tritanopia (blue-blind)

#007688

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3f5ec4;
/* rgb */ color: rgb(63, 94, 196);
/* oklch */ color: oklch(51.5% 0.163 267.6);

Tailwind

colors: {
  custom: {
    50: '#838bd7',
    500: '#3f5ec4',
    950: '#000000',
  },
}

SCSS

$custom: #3f5ec4;
$custom-light: #838bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5ec4",
  "rgb": {
    "r": 63,
    "g": 94,
    "b": 196
  },
  "hsl": {
    "h": 226.015,
    "s": 52.988,
    "l": 50.784
  },
  "oklch": {
    "l": 0.51545,
    "c": 0.1632,
    "h": 267.6
  },
  "luminance": 0.13048
}

Semantic roles & 50–950 ramp

primary

#3F5EC4

secondary

#CDBF92

accent

#BB4BDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3F5EC4

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

Preview Lab → · Contrast checker → · Palette generator →