#3F3EAF#3F3EAF

#3F3EAF is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.8% C 0.175 H 276.8°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#3F3EAF
RGB	rgb(63, 62, 175)
HSL	hsl(241, 48%, 46%)
HSV	hsv(241, 65%, 69%)
CMYK	cmyk(64%, 64.6%, 0%, 31.4%)
CIE-LAB	lab(33.13, 35.60, -60.20)
CIE-LCH	lch(33.13, 69.94, 300.60°)
OKLab	oklab(43.82% 0.0207 -0.1735)
OKLCH	oklch(43.82% 0.175 276.8)
XYZ	xyz(11.5079, 7.5962, 41.4089)
Luminance	0.0760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3EAF #AEAF3E

analogous

#3E76AF #3F3EAF #783EAF

triadic

#3F3EAF #AF3F3E #3EAF3F

tetradic

#3F3EAF #AF3E76 #AEAF3E #3EAF78

square

#3F3EAF #AF3E76 #AEAF3E #3EAF78

split-complementary

#3F3EAF #AF783E #76AF3E

monochromatic

#1E1E55 #2F2E82 #3F3EAF #6463C8 #9090D8

Accessibility & contrast

On white

8.34

#3F3EAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#3F3EAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3EAF

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3EAF	#FFFFFF	#000000	##FFFFFF
##3F3EAF	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B3

Deuteranopia (green-blind)

#0049AD

Tritanopia (blue-blind)

#005B71

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3f3eaf;
/* rgb */ color: rgb(63, 62, 175);
/* oklch */ color: oklch(43.8% 0.175 276.8);

Tailwind

colors: {
  custom: {
    50: '#8174c8',
    500: '#3f3eaf',
    950: '#000000',
  },
}

SCSS

$custom: #3f3eaf;
$custom-light: #8174c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3eaf",
  "rgb": {
    "r": 63,
    "g": 62,
    "b": 175
  },
  "hsl": {
    "h": 240.531,
    "s": 47.679,
    "l": 46.471
  },
  "oklch": {
    "l": 0.43818,
    "c": 0.17472,
    "h": 276.8
  },
  "luminance": 0.07597
}

Semantic roles & 50–950 ramp

primary

#3F3EAF

secondary

#C2C386

accent

#D751D6

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3F3EAF

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

Preview Lab → · Contrast checker → · Palette generator →