#3F5DD6#3F5DD6

#3F5DD6 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.7% C 0.189 H 268.5°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#3F5DD6
RGB	rgb(63, 93, 214)
HSL	hsl(228, 65%, 54%)
HSV	hsv(228, 71%, 84%)
CMYK	cmyk(70.6%, 56.5%, 0%, 16.1%)
CIE-LAB	lab(43.86, 29.65, -65.46)
CIE-LCH	lch(43.86, 71.87, 294.37°)
OKLab	oklab(52.72% -0.0048 -0.1887)
OKLCH	oklch(52.72% 0.189 268.5)
XYZ	xyz(18.0977, 13.7387, 65.3033)
Luminance	0.1374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5DD6 #D6B83F

analogous

#3FA9D6 #3F5DD6 #6C3FD6

triadic

#3F5DD6 #D63F5D #5DD63F

tetradic

#3F5DD6 #D63FA9 #D6B83F #3FD66C

square

#3F5DD6 #D63FA9 #D6B83F #3FD66C

split-complementary

#3F5DD6 #D66C3F #A9D63F

monochromatic

#1B2F7F #2642B2 #3F5DD6 #7188E1 #A4B2EC

Accessibility & contrast

On white

5.60

#3F5DD6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#3F5DD6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F5DD6

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5DD6	#FFFFFF	#000000	##FFFFFF
##3F5DD6	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FDA

Deuteranopia (green-blind)

#0061D4

Tritanopia (blue-blind)

#007B90

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3f5dd6;
/* rgb */ color: rgb(63, 93, 214);
/* oklch */ color: oklch(52.7% 0.189 268.5);

Tailwind

colors: {
  custom: {
    50: '#878ae3',
    500: '#3f5dd6',
    950: '#000000',
  },
}

SCSS

$custom: #3f5dd6;
$custom-light: #878ae3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5dd6",
  "rgb": {
    "r": 63,
    "g": 93,
    "b": 214
  },
  "hsl": {
    "h": 228.079,
    "s": 64.807,
    "l": 54.314
  },
  "oklch": {
    "l": 0.52721,
    "c": 0.18872,
    "h": 268.5
  },
  "luminance": 0.13741
}

Semantic roles & 50–950 ramp

primary

#3F5DD6

secondary

#D8CC98

accent

#C640E8

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #3F5DD6

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

Preview Lab → · Contrast checker → · Palette generator →