#3F41CE#3F41CE

#3F41CE is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.1% C 0.211 H 274.1°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#3F41CE
RGB	rgb(63, 65, 206)
HSL	hsl(239, 59%, 53%)
HSV	hsv(239, 69%, 81%)
CMYK	cmyk(69.4%, 68.4%, 0%, 19.2%)
CIE-LAB	lab(36.54, 44.19, -72.81)
CIE-LCH	lch(36.54, 85.18, 301.26°)
OKLab	oklab(47.13% 0.0152 -0.2104)
OKLCH	oklch(47.13% 0.211 274.1)
XYZ	xyz(15.0771, 9.2922, 59.3796)
Luminance	0.0929 (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

#3F41CE #CECC3F

analogous

#3F88CE #3F41CE #853FCE

triadic

#3F41CE #CE3F41 #41CE3F

tetradic

#3F41CE #CE3F88 #CECC3F #3FCE85

square

#3F41CE #CE3F88 #CECC3F #3FCE85

split-complementary

#3F41CE #CE853F #88CE3F

monochromatic

#1E1F75 #2A2CA6 #3F41CE #7071DA #A1A1E7

Accessibility & contrast

On white

7.35

#3F41CE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#3F41CE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F41CE

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F41CE	#FFFFFF	#000000	##FFFFFF
##3F41CE	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD2

Deuteranopia (green-blind)

#004FCB

Tritanopia (blue-blind)

#006782

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3f41ce;
/* rgb */ color: rgb(63, 65, 206);
/* oklch */ color: oklch(47.1% 0.211 274.1);

Tailwind

colors: {
  custom: {
    50: '#8776de',
    500: '#3f41ce',
    950: '#000000',
  },
}

SCSS

$custom: #3f41ce;
$custom-light: #8776de;
$custom-dark: #000000;

JSON

{
  "hex": "#3f41ce",
  "rgb": {
    "r": 63,
    "g": 65,
    "b": 206
  },
  "hsl": {
    "h": 239.161,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.47134,
    "c": 0.21098,
    "h": 274.1
  },
  "luminance": 0.09294
}

Semantic roles & 50–950 ramp

primary

#3F41CE

secondary

#D3D395

accent

#E045E3

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3F41CE

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

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