#3B40CE#3B40CE

#3B40CE is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 46.7% C 0.213 H 273.0°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#3B40CE
RGB	rgb(59, 64, 206)
HSL	hsl(238, 60%, 52%)
HSV	hsv(238, 71%, 81%)
CMYK	cmyk(71.4%, 68.9%, 0%, 19.2%)
CIE-LAB	lab(36.08, 44.34, -73.57)
CIE-LCH	lch(36.08, 85.90, 301.08°)
OKLab	oklab(46.74% 0.0113 -0.2127)
OKLCH	oklch(46.74% 0.213 273)
XYZ	xyz(14.7739, 9.0514, 59.3490)
Luminance	0.0905 (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

#3B40CE #CEC93B

analogous

#3B8ACE #3B40CE #803BCE

triadic

#3B40CE #CE3B40 #40CE3B

tetradic

#3B40CE #CE3B8A #CEC93B #3BCE80

square

#3B40CE #CE3B8A #CEC93B #3BCE80

split-complementary

#3B40CE #CE803B #8ACE3B

monochromatic

#1D1F72 #292DA3 #3B40CE #6C70DA #9D9FE6

Accessibility & contrast

On white

7.47

#3B40CE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#3B40CE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B40CE

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B40CE	#FFFFFF	#000000	##FFFFFF
##3B40CE	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD2

Deuteranopia (green-blind)

#004ECB

Tritanopia (blue-blind)

#006782

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3b40ce;
/* rgb */ color: rgb(59, 64, 206);
/* oklch */ color: oklch(46.7% 0.213 273.0);

Tailwind

colors: {
  custom: {
    50: '#8676de',
    500: '#3b40ce',
    950: '#000000',
  },
}

SCSS

$custom: #3b40ce;
$custom-light: #8676de;
$custom-dark: #000000;

JSON

{
  "hex": "#3b40ce",
  "rgb": {
    "r": 59,
    "g": 64,
    "b": 206
  },
  "hsl": {
    "h": 237.959,
    "s": 60,
    "l": 51.961
  },
  "oklch": {
    "l": 0.4674,
    "c": 0.21305,
    "h": 273
  },
  "luminance": 0.09053
}

Semantic roles & 50–950 ramp

primary

#3B40CE

secondary

#D3D092

accent

#DE45E3

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3B40CE

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

Preview Lab → · Contrast checker → · Palette generator →