#3B3FB6#3B3FB6

#3B3FB6 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.3% C 0.184 H 274.5°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#3B3FB6
RGB	rgb(59, 63, 182)
HSL	hsl(238, 51%, 47%)
HSV	hsv(238, 68%, 71%)
CMYK	cmyk(67.6%, 65.4%, 0%, 28.6%)
CIE-LAB	lab(33.69, 36.80, -63.44)
CIE-LCH	lch(33.69, 73.34, 300.11°)
OKLab	oklab(44.35% 0.0145 -0.1831)
OKLCH	oklch(44.35% 0.184 274.5)
XYZ	xyz(12.0218, 7.8611, 45.1307)
Luminance	0.0786 (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

#3B3FB6 #B6B23B

analogous

#3B7CB6 #3B3FB6 #753BB6

triadic

#3B3FB6 #B63B3F #3FB63B

tetradic

#3B3FB6 #B63B7C #B6B23B #3BB675

square

#3B3FB6 #B63B7C #B6B23B #3BB675

split-complementary

#3B3FB6 #B6753B #7CB63B

monochromatic

#1D1F5A #2C2F88 #3B3FB6 #6266CC #9093DB

Accessibility & contrast

On white

8.16

#3B3FB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3B3FB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3FB6

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3FB6	#FFFFFF	#000000	##FFFFFF
##3B3FB6	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BA

Deuteranopia (green-blind)

#004AB4

Tritanopia (blue-blind)

#005E75

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3b3fb6;
/* rgb */ color: rgb(59, 63, 182);
/* oklch */ color: oklch(44.3% 0.184 274.5);

Tailwind

colors: {
  custom: {
    50: '#8174cd',
    500: '#3b3fb6',
    950: '#000000',
  },
}

SCSS

$custom: #3b3fb6;
$custom-light: #8174cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3fb6",
  "rgb": {
    "r": 59,
    "g": 63,
    "b": 182
  },
  "hsl": {
    "h": 238.049,
    "s": 51.037,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44345,
    "c": 0.18368,
    "h": 274.5
  },
  "luminance": 0.07862
}

Semantic roles & 50–950 ramp

primary

#3B3FB6

secondary

#C6C487

accent

#D64DDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3B3FB6

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

Preview Lab → · Contrast checker → · Palette generator →