#3D40CC#3D40CC

#3D40CC is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 46.7% C 0.210 H 273.8°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#3D40CC
RGB	rgb(61, 64, 204)
HSL	hsl(239, 58%, 52%)
HSV	hsv(239, 70%, 80%)
CMYK	cmyk(70.1%, 68.6%, 0%, 20%)
CIE-LAB	lab(36.02, 43.89, -72.52)
CIE-LCH	lch(36.02, 84.77, 301.18°)
OKLab	oklab(46.67% 0.0138 -0.2096)
OKLCH	oklch(46.67% 0.21 273.8)
XYZ	xyz(14.6533, 9.0171, 58.0833)
Luminance	0.0902 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.84

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D40CC #CCC93D

analogous

#3D88CC #3D40CC #813DCC

triadic

#3D40CC #CC3D40 #40CC3D

tetradic

#3D40CC #CC3D88 #CCC93D #3DCC81

square

#3D40CC #CC3D88 #CCC93D #3DCC81

split-complementary

#3D40CC #CC813D #88CC3D

monochromatic

#1E1F71 #2A2DA1 #3D40CC #6D70D9 #9E9FE5

Accessibility & contrast

On white

7.49

#3D40CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#3D40CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D40CC

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D40CC	#FFFFFF	#000000	##FFFFFF
##3D40CC	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BD0

Deuteranopia (green-blind)

#004EC9

Tritanopia (blue-blind)

#006681

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3d40cc;
/* rgb */ color: rgb(61, 64, 204);
/* oklch */ color: oklch(46.7% 0.210 273.8);

Tailwind

colors: {
  custom: {
    50: '#8676dd',
    500: '#3d40cc',
    950: '#000000',
  },
}

SCSS

$custom: #3d40cc;
$custom-light: #8676dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3d40cc",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 204
  },
  "hsl": {
    "h": 238.741,
    "s": 58.367,
    "l": 51.961
  },
  "oklch": {
    "l": 0.46668,
    "c": 0.21007,
    "h": 273.8
  },
  "luminance": 0.09019
}

Semantic roles & 50–950 ramp

primary

#3D40CC

secondary

#D2D093

accent

#DE46E2

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3D40CC

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

Preview Lab → · Contrast checker → · Palette generator →