#3F5ED2#3F5ED2

#3F5ED2 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.6% C 0.182 H 268.2°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#3F5ED2
RGB	rgb(63, 94, 210)
HSL	hsl(227, 62%, 54%)
HSV	hsv(227, 70%, 82%)
CMYK	cmyk(70%, 55.2%, 0%, 17.6%)
CIE-LAB	lab(43.82, 27.59, -63.23)
CIE-LCH	lch(43.82, 68.99, 293.57°)
OKLab	oklab(52.6% -0.0058 -0.1821)
OKLCH	oklch(52.6% 0.182 268.2)
XYZ	xyz(17.6814, 13.7135, 62.6754)
Luminance	0.1371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5ED2 #D2B33F

analogous

#3FA7D2 #3F5ED2 #693FD2

triadic

#3F5ED2 #D23F5E #5ED23F

tetradic

#3F5ED2 #D23FA7 #D2B33F #3FD269

square

#3F5ED2 #D23FA7 #D2B33F #3FD269

split-complementary

#3F5ED2 #D2693F #A7D23F

monochromatic

#1D307A #2844AC #3F5ED2 #7188DE #A2B1E9

Accessibility & contrast

On white

5.61

#3F5ED2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#3F5ED2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F5ED2

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5ED2	#FFFFFF	#000000	##FFFFFF
##3F5ED2	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD6

Deuteranopia (green-blind)

#0061D0

Tritanopia (blue-blind)

#007A8F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3f5ed2;
/* rgb */ color: rgb(63, 94, 210);
/* oklch */ color: oklch(52.6% 0.182 268.2);

Tailwind

colors: {
  custom: {
    50: '#868be1',
    500: '#3f5ed2',
    950: '#000000',
  },
}

SCSS

$custom: #3f5ed2;
$custom-light: #868be1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5ed2",
  "rgb": {
    "r": 63,
    "g": 94,
    "b": 210
  },
  "hsl": {
    "h": 227.347,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.52601,
    "c": 0.18218,
    "h": 268.2
  },
  "luminance": 0.13715
}

Semantic roles & 50–950 ramp

primary

#3F5ED2

secondary

#D6C997

accent

#C343E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #3F5ED2

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

Preview Lab → · Contrast checker → · Palette generator →