#3F4CDC#3F4CDC

#3F4CDC is a mid, highly saturated blue. Relative luminance 0.114; OKLCH L 50.2% C 0.216 H 271.8°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#3F4CDC
RGB	rgb(63, 76, 220)
HSL	hsl(235, 69%, 55%)
HSV	hsv(235, 71%, 86%)
CMYK	cmyk(71.4%, 65.5%, 0%, 13.7%)
CIE-LAB	lab(40.23, 42.33, -74.81)
CIE-LCH	lch(40.23, 85.96, 299.50°)
OKLab	oklab(50.19% 0.0069 -0.2162)
OKLCH	oklch(50.19% 0.216 271.8)
XYZ	xyz(17.5482, 11.3912, 68.9702)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4CDC #DCCF3F

analogous

#3F9ADC #3F4CDC #803FDC

triadic

#3F4CDC #DC3F4C #4CDC3F

tetradic

#3F4CDC #DC3F9A #DCCF3F #3FDC80

square

#3F4CDC #DC3F9A #DCCF3F #3FDC80

split-complementary

#3F4CDC #DC803F #9ADC3F

monochromatic

#192288 #222FBC #3F4CDC #737CE5 #A7ADEF

Accessibility & contrast

On white

6.41

#3F4CDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#3F4CDC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4CDC

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4CDC	#FFFFFF	#000000	##FFFFFF
##3F4CDC	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066E1

Deuteranopia (green-blind)

#0058D9

Tritanopia (blue-blind)

#00728D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3f4cdc;
/* rgb */ color: rgb(63, 76, 220);
/* oklch */ color: oklch(50.2% 0.216 271.8);

Tailwind

colors: {
  custom: {
    50: '#897ee8',
    500: '#3f4cdc',
    950: '#000000',
  },
}

SCSS

$custom: #3f4cdc;
$custom-light: #897ee8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4cdc",
  "rgb": {
    "r": 63,
    "g": 76,
    "b": 220
  },
  "hsl": {
    "h": 235.032,
    "s": 69.163,
    "l": 55.49
  },
  "oklch": {
    "l": 0.50192,
    "c": 0.21636,
    "h": 271.8
  },
  "luminance": 0.11393
}

Semantic roles & 50–950 ramp

primary

#3F4CDC

secondary

#DCD79B

accent

#DD3CEC

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #3F4CDC

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

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