#3D40CE#3D40CE

#3D40CE is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 46.9% C 0.213 H 273.6°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#3D40CE
RGB	rgb(61, 64, 206)
HSL	hsl(239, 60%, 52%)
HSV	hsv(239, 70%, 81%)
CMYK	cmyk(70.4%, 68.9%, 0%, 19.2%)
CIE-LAB	lab(36.20, 44.56, -73.37)
CIE-LCH	lch(36.20, 85.84, 301.27°)
OKLab	oklab(46.86% 0.0135 -0.2121)
OKLCH	oklch(46.86% 0.213 273.6)
XYZ	xyz(14.8947, 9.1137, 59.3547)
Luminance	0.0911 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.96

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D40CE #CECB3D

analogous

#3D88CE #3D40CE #833DCE

triadic

#3D40CE #CE3D40 #40CE3D

tetradic

#3D40CE #CE3D88 #CECB3D #3DCE83

square

#3D40CE #CE3D88 #CECB3D #3DCE83

split-complementary

#3D40CE #CE833D #88CE3D

monochromatic

#1D1F73 #292CA4 #3D40CE #6E70DA #9FA0E7

Accessibility & contrast

On white

7.44

#3D40CE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#3D40CE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D40CE

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D40CE	#FFFFFF	#000000	##FFFFFF
##3D40CE	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	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: #3d40ce;
/* rgb */ color: rgb(61, 64, 206);
/* oklch */ color: oklch(46.9% 0.213 273.6);

Tailwind

colors: {
  custom: {
    50: '#8676de',
    500: '#3d40ce',
    950: '#000000',
  },
}

SCSS

$custom: #3d40ce;
$custom-light: #8676de;
$custom-dark: #000000;

JSON

{
  "hex": "#3d40ce",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 206
  },
  "hsl": {
    "h": 238.759,
    "s": 59.671,
    "l": 52.353
  },
  "oklch": {
    "l": 0.46858,
    "c": 0.21255,
    "h": 273.6
  },
  "luminance": 0.09115
}

Semantic roles & 50–950 ramp

primary

#3D40CE

secondary

#D3D294

accent

#E045E3

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3D40CE

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

Preview Lab → · Contrast checker → · Palette generator →