#3F4BD2#3F4BD2

#3F4BD2 is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.1% C 0.205 H 272.3°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#3F4BD2
RGB	rgb(63, 75, 210)
HSL	hsl(235, 62%, 54%)
HSV	hsv(235, 70%, 82%)
CMYK	cmyk(70%, 64.3%, 0%, 17.6%)
CIE-LAB	lab(39.14, 39.52, -70.86)
CIE-LCH	lch(39.14, 81.14, 299.15°)
OKLab	oklab(49.13% 0.0083 -0.2047)
OKLCH	oklch(49.13% 0.205 272.3)
XYZ	xyz(16.1949, 10.7405, 62.1799)
Luminance	0.1074 (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

#3F4BD2 #D2C63F

analogous

#3F94D2 #3F4BD2 #7C3FD2

triadic

#3F4BD2 #D23F4B #4BD23F

tetradic

#3F4BD2 #D23F94 #D2C63F #3FD27C

square

#3F4BD2 #D23F94 #D2C63F #3FD27C

split-complementary

#3F4BD2 #D27C3F #94D23F

monochromatic

#1D247A #2833AC #3F4BD2 #7179DE #A2A8E9

Accessibility & contrast

On white

6.67

#3F4BD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#3F4BD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4BD2

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4BD2	#FFFFFF	#000000	##FFFFFF
##3F4BD2	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063D6

Deuteranopia (green-blind)

#0055CF

Tritanopia (blue-blind)

#006E88

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3f4bd2;
/* rgb */ color: rgb(63, 75, 210);
/* oklch */ color: oklch(49.1% 0.205 272.3);

Tailwind

colors: {
  custom: {
    50: '#877de1',
    500: '#3f4bd2',
    950: '#000000',
  },
}

SCSS

$custom: #3f4bd2;
$custom-light: #877de1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4bd2",
  "rgb": {
    "r": 63,
    "g": 75,
    "b": 210
  },
  "hsl": {
    "h": 235.102,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.4913,
    "c": 0.20486,
    "h": 272.3
  },
  "luminance": 0.10742
}

Semantic roles & 50–950 ramp

primary

#3F4BD2

secondary

#D6D197

accent

#D843E5

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #3F4BD2

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

Preview Lab → · Contrast checker → · Palette generator →