#3F4ACE#3F4ACE

#3F4ACE is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 48.6% C 0.201 H 272.6°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#3F4ACE
RGB	rgb(63, 74, 206)
HSL	hsl(235, 59%, 53%)
HSV	hsv(235, 69%, 81%)
CMYK	cmyk(69.4%, 64.1%, 0%, 19.2%)
CIE-LAB	lab(38.57, 38.76, -69.49)
CIE-LCH	lch(38.57, 79.57, 299.15°)
OKLab	oklab(48.61% 0.0093 -0.2007)
OKLCH	oklch(48.61% 0.201 272.6)
XYZ	xyz(15.6355, 10.4090, 59.5657)
Luminance	0.1041 (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

#3F4ACE #CEC33F

analogous

#3F91CE #3F4ACE #7C3FCE

triadic

#3F4ACE #CE3F4A #4ACE3F

tetradic

#3F4ACE #CE3F91 #CEC33F #3FCE7C

square

#3F4ACE #CE3F91 #CEC33F #3FCE7C

split-complementary

#3F4ACE #CE7C3F #91CE3F

monochromatic

#1E2475 #2A34A6 #3F4ACE #7078DA #A1A6E7

Accessibility & contrast

On white

6.81

#3F4ACE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#3F4ACE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4ACE

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4ACE	#FFFFFF	#000000	##FFFFFF
##3F4ACE	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061D2

Deuteranopia (green-blind)

#0054CB

Tritanopia (blue-blind)

#006C85

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3f4ace;
/* rgb */ color: rgb(63, 74, 206);
/* oklch */ color: oklch(48.6% 0.201 272.6);

Tailwind

colors: {
  custom: {
    50: '#867cde',
    500: '#3f4ace',
    950: '#000000',
  },
}

SCSS

$custom: #3f4ace;
$custom-light: #867cde;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4ace",
  "rgb": {
    "r": 63,
    "g": 74,
    "b": 206
  },
  "hsl": {
    "h": 235.385,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.48606,
    "c": 0.20089,
    "h": 272.6
  },
  "luminance": 0.10411
}

Semantic roles & 50–950 ramp

primary

#3F4ACE

secondary

#D3CF95

accent

#D645E3

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #3F4ACE

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

Preview Lab → · Contrast checker → · Palette generator →