#3F44CE#3F44CE

#3F44CE is a mid, highly saturated blue. Relative luminance 0.096; OKLCH L 47.6% C 0.208 H 273.7°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#3F44CE
RGB	rgb(63, 68, 206)
HSL	hsl(238, 59%, 53%)
HSV	hsv(238, 69%, 81%)
CMYK	cmyk(69.4%, 67%, 0%, 19.2%)
CIE-LAB	lab(37.20, 42.41, -71.73)
CIE-LCH	lch(37.20, 83.33, 300.59°)
OKLab	oklab(47.61% 0.0133 -0.2073)
OKLCH	oklch(47.61% 0.208 273.7)
XYZ	xyz(15.2539, 9.6458, 59.4385)
Luminance	0.0965 (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

#3F44CE #CEC93F

analogous

#3F8BCE #3F44CE #813FCE

triadic

#3F44CE #CE3F44 #44CE3F

tetradic

#3F44CE #CE3F8B #CEC93F #3FCE81

square

#3F44CE #CE3F8B #CEC93F #3FCE81

split-complementary

#3F44CE #CE813F #8BCE3F

monochromatic

#1E2175 #2A2FA6 #3F44CE #7073DA #A1A3E7

Accessibility & contrast

On white

7.17

#3F44CE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#3F44CE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F44CE

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F44CE	#FFFFFF	#000000	##FFFFFF
##3F44CE	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED2

Deuteranopia (green-blind)

#0051CB

Tritanopia (blue-blind)

#006983

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3f44ce;
/* rgb */ color: rgb(63, 68, 206);
/* oklch */ color: oklch(47.6% 0.208 273.7);

Tailwind

colors: {
  custom: {
    50: '#8778de',
    500: '#3f44ce',
    950: '#000000',
  },
}

SCSS

$custom: #3f44ce;
$custom-light: #8778de;
$custom-dark: #000000;

JSON

{
  "hex": "#3f44ce",
  "rgb": {
    "r": 63,
    "g": 68,
    "b": 206
  },
  "hsl": {
    "h": 237.902,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.4761,
    "c": 0.20769,
    "h": 273.7
  },
  "luminance": 0.09647
}

Semantic roles & 50–950 ramp

primary

#3F44CE

secondary

#D3D195

accent

#DD45E3

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #3F44CE

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

Preview Lab → · Contrast checker → · Palette generator →