#3F5CD6#3F5CD6

#3F5CD6 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.5% C 0.190 H 268.8°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#3F5CD6
RGB	rgb(63, 92, 214)
HSL	hsl(228, 65%, 54%)
HSV	hsv(228, 71%, 84%)
CMYK	cmyk(70.6%, 57%, 0%, 16.1%)
CIE-LAB	lab(43.60, 30.28, -65.88)
CIE-LCH	lch(43.60, 72.51, 294.69°)
OKLab	oklab(52.53% -0.0041 -0.1899)
OKLCH	oklch(52.53% 0.19 268.8)
XYZ	xyz(18.0105, 13.5643, 65.2743)
Luminance	0.1357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5CD6 #D6B93F

analogous

#3FA8D6 #3F5CD6 #6E3FD6

triadic

#3F5CD6 #D63F5C #5CD63F

tetradic

#3F5CD6 #D63FA8 #D6B93F #3FD66E

square

#3F5CD6 #D63FA8 #D6B93F #3FD66E

split-complementary

#3F5CD6 #D66E3F #A8D63F

monochromatic

#1B2E7F #2641B2 #3F5CD6 #7187E1 #A4B2EC

Accessibility & contrast

On white

5.66

#3F5CD6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#3F5CD6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F5CD6

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5CD6	#FFFFFF	#000000	##FFFFFF
##3F5CD6	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EDA

Deuteranopia (green-blind)

#0060D4

Tritanopia (blue-blind)

#007A90

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3f5cd6;
/* rgb */ color: rgb(63, 92, 214);
/* oklch */ color: oklch(52.5% 0.190 268.8);

Tailwind

colors: {
  custom: {
    50: '#8789e3',
    500: '#3f5cd6',
    950: '#000000',
  },
}

SCSS

$custom: #3f5cd6;
$custom-light: #8789e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5cd6",
  "rgb": {
    "r": 63,
    "g": 92,
    "b": 214
  },
  "hsl": {
    "h": 228.477,
    "s": 64.807,
    "l": 54.314
  },
  "oklch": {
    "l": 0.52531,
    "c": 0.18993,
    "h": 268.8
  },
  "luminance": 0.13566
}

Semantic roles & 50–950 ramp

primary

#3F5CD6

secondary

#D8CC98

accent

#C840E8

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #3F5CD6

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

Preview Lab → · Contrast checker → · Palette generator →