#3F35B2#3F35B2

#3F35B2 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.6% C 0.189 H 278.3°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#3F35B2
RGB	rgb(63, 53, 178)
HSL	hsl(245, 54%, 45%)
HSV	hsv(245, 70%, 70%)
CMYK	cmyk(64.6%, 70.2%, 0%, 30.2%)
CIE-LAB	lab(31.39, 42.02, -64.84)
CIE-LCH	lch(31.39, 77.26, 302.94°)
OKLab	oklab(42.64% 0.0273 -0.1871)
OKLCH	oklch(42.64% 0.189 278.3)
XYZ	xyz(11.3563, 6.8164, 42.8281)
Luminance	0.0682 (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

#3F35B2 #A8B235

analogous

#3569B2 #3F35B2 #7D35B2

triadic

#3F35B2 #B23F35 #35B23F

tetradic

#3F35B2 #B23569 #A8B235 #35B27D

square

#3F35B2 #B23569 #A8B235 #35B27D

split-complementary

#3F35B2 #B27D35 #69B235

monochromatic

#1E1954 #2E2783 #3F35B2 #6157CD #8D86DB

Accessibility & contrast

On white

8.89

#3F35B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#3F35B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F35B2

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F35B2	#FFFFFF	#000000	##FFFFFF
##3F35B2	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB6

Deuteranopia (green-blind)

#0045B0

Tritanopia (blue-blind)

#00576F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3f35b2;
/* rgb */ color: rgb(63, 53, 178);
/* oklch */ color: oklch(42.6% 0.189 278.3);

Tailwind

colors: {
  custom: {
    50: '#826eca',
    500: '#3f35b2',
    950: '#000000',
  },
}

SCSS

$custom: #3f35b2;
$custom-light: #826eca;
$custom-dark: #000000;

JSON

{
  "hex": "#3f35b2",
  "rgb": {
    "r": 63,
    "g": 53,
    "b": 178
  },
  "hsl": {
    "h": 244.8,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.4264,
    "c": 0.18909,
    "h": 278.3
  },
  "luminance": 0.06817
}

Semantic roles & 50–950 ramp

primary

#3F35B2

secondary

#BFC57E

accent

#DD4AD2

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #3F35B2

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

Preview Lab → · Contrast checker → · Palette generator →