#3F44D2#3F44D2

#3F44D2 is a mid, highly saturated blue. Relative luminance 0.098; OKLCH L 48.0% C 0.213 H 273.5°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#3F44D2
RGB	rgb(63, 68, 210)
HSL	hsl(238, 62%, 54%)
HSV	hsv(238, 70%, 82%)
CMYK	cmyk(70%, 67.6%, 0%, 17.6%)
CIE-LAB	lab(37.56, 43.75, -73.46)
CIE-LCH	lch(37.56, 85.50, 300.78°)
OKLab	oklab(47.98% 0.0129 -0.2123)
OKLCH	oklch(47.98% 0.213 273.5)
XYZ	xyz(15.7460, 9.8426, 62.0303)
Luminance	0.0984 (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

#3F44D2 #D2CD3F

analogous

#3F8DD2 #3F44D2 #833FD2

triadic

#3F44D2 #D23F44 #44D23F

tetradic

#3F44D2 #D23F8D #D2CD3F #3FD283

square

#3F44D2 #D23F8D #D2CD3F #3FD283

split-complementary

#3F44D2 #D2833F #8DD23F

monochromatic

#1D207A #282DAC #3F44D2 #7174DE #A2A5E9

Accessibility & contrast

On white

7.07

#3F44D2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#3F44D2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F44D2

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F44D2	#FFFFFF	#000000	##FFFFFF
##3F44D2	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD6

Deuteranopia (green-blind)

#0052CF

Tritanopia (blue-blind)

#006A85

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3f44d2;
/* rgb */ color: rgb(63, 68, 210);
/* oklch */ color: oklch(48.0% 0.213 273.5);

Tailwind

colors: {
  custom: {
    50: '#8879e1',
    500: '#3f44d2',
    950: '#000000',
  },
}

SCSS

$custom: #3f44d2;
$custom-light: #8879e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f44d2",
  "rgb": {
    "r": 63,
    "g": 68,
    "b": 210
  },
  "hsl": {
    "h": 237.959,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.4798,
    "c": 0.21269,
    "h": 273.5
  },
  "luminance": 0.09844
}

Semantic roles & 50–950 ramp

primary

#3F44D2

secondary

#D6D497

accent

#E043E5

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #3F44D2

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

Preview Lab → · Contrast checker → · Palette generator →