#3F35B3#3F35B3

#3F35B3 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.7% C 0.190 H 278.2°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#3F35B3
RGB	rgb(63, 53, 179)
HSL	hsl(245, 54%, 45%)
HSV	hsv(245, 70%, 70%)
CMYK	cmyk(64.8%, 70.4%, 0%, 29.8%)
CIE-LAB	lab(31.48, 42.34, -65.28)
CIE-LCH	lch(31.48, 77.81, 302.97°)
OKLab	oklab(42.74% 0.0271 -0.1884)
OKLCH	oklch(42.74% 0.19 278.2)
XYZ	xyz(11.4571, 6.8567, 43.3588)
Luminance	0.0686 (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

#3F35B3 #A9B335

analogous

#356AB3 #3F35B3 #7E35B3

triadic

#3F35B3 #B33F35 #35B33F

tetradic

#3F35B3 #B3356A #A9B335 #35B37E

square

#3F35B3 #B3356A #A9B335 #35B37E

split-complementary

#3F35B3 #B37E35 #6AB335

monochromatic

#1E1955 #2E2784 #3F35B3 #6158CD #8E87DB

Accessibility & contrast

On white

8.85

#3F35B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#3F35B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F35B3

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F35B3	#FFFFFF	#000000	##FFFFFF
##3F35B3	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB7

Deuteranopia (green-blind)

#0045B1

Tritanopia (blue-blind)

#005770

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3f35b3;
/* rgb */ color: rgb(63, 53, 179);
/* oklch */ color: oklch(42.7% 0.190 278.2);

Tailwind

colors: {
  custom: {
    50: '#836ecb',
    500: '#3f35b3',
    950: '#000000',
  },
}

SCSS

$custom: #3f35b3;
$custom-light: #836ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f35b3",
  "rgb": {
    "r": 63,
    "g": 53,
    "b": 179
  },
  "hsl": {
    "h": 244.762,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.42735,
    "c": 0.19034,
    "h": 278.2
  },
  "luminance": 0.06858
}

Semantic roles & 50–950 ramp

primary

#3F35B3

secondary

#C0C57F

accent

#DE4AD2

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #3F35B3

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

Preview Lab → · Contrast checker → · Palette generator →