#3F2E9B#3F2E9B

#3F2E9B is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.4% C 0.168 H 282.6°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#3F2E9B
RGB	rgb(63, 46, 155)
HSL	hsl(249, 54%, 39%)
HSV	hsv(249, 70%, 61%)
CMYK	cmyk(59.4%, 70.3%, 0%, 39.2%)
CIE-LAB	lab(27.78, 38.69, -56.89)
CIE-LCH	lch(27.78, 68.80, 304.22°)
OKLab	oklab(39.41% 0.0366 -0.1638)
OKLCH	oklch(39.41% 0.168 282.6)
XYZ	xyz(8.9415, 5.3767, 31.5706)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2E9B #8A9B2E

analogous

#2E549B #3F2E9B #762E9B

triadic

#3F2E9B #9B3F2E #2E9B3F

tetradic

#3F2E9B #9B2E54 #8A9B2E #2E9B76

square

#3F2E9B #9B2E54 #8A9B2E #2E9B76

split-complementary

#3F2E9B #9B762E #549B2E

monochromatic

#19123D #2C206C #3F2E9B #5540C6 #7F6FD4

Accessibility & contrast

On white

10.12

#3F2E9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#3F2E9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2E9B

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2E9B	#FFFFFF	#000000	##FFFFFF
##3F2E9B	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459E

Deuteranopia (green-blind)

#003E99

Tritanopia (blue-blind)

#064B61

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3f2e9b;
/* rgb */ color: rgb(63, 46, 155);
/* oklch */ color: oklch(39.4% 0.168 282.6);

Tailwind

colors: {
  custom: {
    50: '#7f68b9',
    500: '#3f2e9b',
    950: '#000000',
  },
}

SCSS

$custom: #3f2e9b;
$custom-light: #7f68b9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2e9b",
  "rgb": {
    "r": 63,
    "g": 46,
    "b": 155
  },
  "hsl": {
    "h": 249.358,
    "s": 54.229,
    "l": 39.412
  },
  "oklch": {
    "l": 0.3941,
    "c": 0.16786,
    "h": 282.6
  },
  "luminance": 0.05377
}

Semantic roles & 50–950 ramp

primary

#3F2E9B

secondary

#AFBC69

accent

#DE4AC7

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3F2E9B

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

Preview Lab → · Contrast checker → · Palette generator →