#3F34A2#3F34A2

#3F34A2 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.0% C 0.170 H 280.3°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#3F34A2
RGB	rgb(63, 52, 162)
HSL	hsl(246, 51%, 42%)
HSV	hsv(246, 68%, 64%)
CMYK	cmyk(61.1%, 67.9%, 0%, 36.5%)
CIE-LAB	lab(29.71, 37.39, -57.98)
CIE-LCH	lch(29.71, 68.99, 302.82°)
OKLab	oklab(40.99% 0.0305 -0.167)
OKLCH	oklch(40.99% 0.17 280.3)
XYZ	xyz(9.7974, 6.1207, 34.8405)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.11

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F34A2 #97A234

analogous

#3460A2 #3F34A2 #7634A2

triadic

#3F34A2 #A23F34 #34A23F

tetradic

#3F34A2 #A23460 #97A234 #34A276

square

#3F34A2 #A23460 #97A234 #34A276

split-complementary

#3F34A2 #A27634 #60A234

monochromatic

#1B1645 #2D2574 #3F34A2 #594DC6 #857CD5

Accessibility & contrast

On white

9.44

#3F34A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#3F34A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F34A2

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F34A2	#FFFFFF	#000000	##FFFFFF
##3F34A2	1.00	9.44	2.22	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA5

Deuteranopia (green-blind)

#0042A0

Tritanopia (blue-blind)

#005166

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3f34a2;
/* rgb */ color: rgb(63, 52, 162);
/* oklch */ color: oklch(41.0% 0.170 280.3);

Tailwind

colors: {
  custom: {
    50: '#7f6cbe',
    500: '#3f34a2',
    950: '#000000',
  },
}

SCSS

$custom: #3f34a2;
$custom-light: #7f6cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#3f34a2",
  "rgb": {
    "r": 63,
    "g": 52,
    "b": 162
  },
  "hsl": {
    "h": 246,
    "s": 51.402,
    "l": 41.961
  },
  "oklch": {
    "l": 0.40993,
    "c": 0.16975,
    "h": 280.3
  },
  "luminance": 0.06121
}

Semantic roles & 50–950 ramp

primary

#3F34A2

secondary

#B6BE74

accent

#DB4DCD

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #3F34A2

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

Preview Lab → · Contrast checker → · Palette generator →