#3F2BA9#3F2BA9

#3F2BA9 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.3% C 0.189 H 281.0°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#3F2BA9
RGB	rgb(63, 43, 169)
HSL	hsl(250, 59%, 42%)
HSV	hsv(250, 75%, 66%)
CMYK	cmyk(62.7%, 74.6%, 0%, 33.7%)
CIE-LAB	lab(28.51, 44.77, -64.18)
CIE-LCH	lch(28.51, 78.26, 304.90°)
OKLab	oklab(40.33% 0.0361 -0.1851)
OKLCH	oklch(40.33% 0.189 281)
XYZ	xyz(10.0730, 5.6483, 38.0879)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.29

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2BA9 #95A92B

analogous

#2B56A9 #3F2BA9 #7E2BA9

triadic

#3F2BA9 #A93F2B #2BA93F

tetradic

#3F2BA9 #A92B56 #95A92B #2BA97E

square

#3F2BA9 #A92B56 #95A92B #2BA97E

split-complementary

#3F2BA9 #A97E2B #56A92B

monochromatic

#1B1247 #2D1F78 #3F2BA9 #5942CF #8473DB

Accessibility & contrast

On white

9.86

#3F2BA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3F2BA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2BA9

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2BA9	#FFFFFF	#000000	##FFFFFF
##3F2BA9	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AD

Deuteranopia (green-blind)

#003FA7

Tritanopia (blue-blind)

#004E68

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f2ba9;
/* rgb */ color: rgb(63, 43, 169);
/* oklch */ color: oklch(40.3% 0.189 281.0);

Tailwind

colors: {
  custom: {
    50: '#8167c4',
    500: '#3f2ba9',
    950: '#000000',
  },
}

SCSS

$custom: #3f2ba9;
$custom-light: #8167c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2ba9",
  "rgb": {
    "r": 63,
    "g": 43,
    "b": 169
  },
  "hsl": {
    "h": 249.524,
    "s": 59.434,
    "l": 41.569
  },
  "oklch": {
    "l": 0.4033,
    "c": 0.18862,
    "h": 281
  },
  "luminance": 0.05649
}

Semantic roles & 50–950 ramp

primary

#3F2BA9

secondary

#B5C36D

accent

#E345CA

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F2BA9

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

Preview Lab → · Contrast checker → · Palette generator →