#3F4DE0#3F4DE0

#3F4DE0 is a mid, highly saturated blue. Relative luminance 0.117; OKLCH L 50.7% C 0.220 H 271.6°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#3F4DE0
RGB	rgb(63, 77, 224)
HSL	hsl(235, 72%, 56%)
HSV	hsv(235, 72%, 88%)
CMYK	cmyk(71.9%, 65.6%, 0%, 12.2%)
CIE-LAB	lab(40.81, 43.09, -76.15)
CIE-LCH	lch(40.81, 87.50, 299.50°)
OKLab	oklab(50.72% 0.006 -0.2202)
OKLCH	oklch(50.72% 0.22 271.6)
XYZ	xyz(18.1538, 11.7445, 71.8167)
Luminance	0.1175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4DE0 #E0D23F

analogous

#3F9DE0 #3F4DE0 #823FE0

triadic

#3F4DE0 #E03F4D #4DE03F

tetradic

#3F4DE0 #E03F9D #E0D23F #3FE082

square

#3F4DE0 #E03F9D #E0D23F #3FE082

split-complementary

#3F4DE0 #E0823F #9DE03F

monochromatic

#17218E #1F2EC2 #3F4DE0 #747EE9 #A8AFF1

Accessibility & contrast

On white

6.27

#3F4DE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#3F4DE0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4DE0

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4DE0	#FFFFFF	#000000	##FFFFFF
##3F4DE0	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068E5

Deuteranopia (green-blind)

#0059DD

Tritanopia (blue-blind)

#007490

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3f4de0;
/* rgb */ color: rgb(63, 77, 224);
/* oklch */ color: oklch(50.7% 0.220 271.6);

Tailwind

colors: {
  custom: {
    50: '#8a7feb',
    500: '#3f4de0',
    950: '#000000',
  },
}

SCSS

$custom: #3f4de0;
$custom-light: #8a7feb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4de0",
  "rgb": {
    "r": 63,
    "g": 77,
    "b": 224
  },
  "hsl": {
    "h": 234.783,
    "s": 72.197,
    "l": 56.275
  },
  "oklch": {
    "l": 0.50719,
    "c": 0.22024,
    "h": 271.6
  },
  "luminance": 0.11746
}

Semantic roles & 50–950 ramp

primary

#3F4DE0

secondary

#DFD99C

accent

#DF39EF

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #3F4DE0

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

Preview Lab → · Contrast checker → · Palette generator →