#3F4DD2#3F4DD2

#3F4DD2 is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 49.5% C 0.203 H 272.0°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#3F4DD2
RGB	rgb(63, 77, 210)
HSL	hsl(234, 62%, 54%)
HSV	hsv(234, 70%, 82%)
CMYK	cmyk(70%, 63.3%, 0%, 17.6%)
CIE-LAB	lab(39.61, 38.29, -70.10)
CIE-LCH	lch(39.61, 79.87, 298.65°)
OKLab	oklab(49.47% 0.0069 -0.2024)
OKLCH	oklch(49.47% 0.203 272)
XYZ	xyz(16.3327, 11.0161, 62.2258)
Luminance	0.1102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4DD2 #D2C43F

analogous

#3F96D2 #3F4DD2 #7A3FD2

triadic

#3F4DD2 #D23F4D #4DD23F

tetradic

#3F4DD2 #D23F96 #D2C43F #3FD27A

square

#3F4DD2 #D23F96 #D2C43F #3FD27A

split-complementary

#3F4DD2 #D27A3F #96D23F

monochromatic

#1D257A #2835AC #3F4DD2 #717BDE #A2A9E9

Accessibility & contrast

On white

6.56

#3F4DD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#3F4DD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4DD2

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4DD2	#FFFFFF	#000000	##FFFFFF
##3F4DD2	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064D6

Deuteranopia (green-blind)

#0057CF

Tritanopia (blue-blind)

#006F88

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3f4dd2;
/* rgb */ color: rgb(63, 77, 210);
/* oklch */ color: oklch(49.5% 0.203 272.0);

Tailwind

colors: {
  custom: {
    50: '#877fe1',
    500: '#3f4dd2',
    950: '#000000',
  },
}

SCSS

$custom: #3f4dd2;
$custom-light: #877fe1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4dd2",
  "rgb": {
    "r": 63,
    "g": 77,
    "b": 210
  },
  "hsl": {
    "h": 234.286,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.49473,
    "c": 0.20255,
    "h": 272
  },
  "luminance": 0.11018
}

Semantic roles & 50–950 ramp

primary

#3F4DD2

secondary

#D6D097

accent

#D643E5

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #3F4DD2

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

Preview Lab → · Contrast checker → · Palette generator →