#3D40C8#3D40C8

#3D40C8 is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.3% C 0.205 H 274.0°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#3D40C8
RGB	rgb(61, 64, 200)
HSL	hsl(239, 56%, 51%)
HSV	hsv(239, 70%, 78%)
CMYK	cmyk(69.5%, 68%, 0%, 21.6%)
CIE-LAB	lab(35.65, 42.55, -70.80)
CIE-LCH	lch(35.65, 82.60, 301.01°)
OKLab	oklab(46.29% 0.0142 -0.2046)
OKLCH	oklch(46.29% 0.205 274)
XYZ	xyz(14.1797, 8.8277, 55.5890)
Luminance	0.0883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.66

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D40C8 #C8C53D

analogous

#3D85C8 #3D40C8 #7F3DC8

triadic

#3D40C8 #C83D40 #40C83D

tetradic

#3D40C8 #C83D85 #C8C53D #3DC87F

square

#3D40C8 #C83D85 #C8C53D #3DC87F

split-complementary

#3D40C8 #C87F3D #85C83D

monochromatic

#1F206C #2C2F9C #3D40C8 #6D6FD6 #9C9EE3

Accessibility & contrast

On white

7.59

#3D40C8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#3D40C8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D40C8

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D40C8	#FFFFFF	#000000	##FFFFFF
##3D40C8	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ACC

Deuteranopia (green-blind)

#004DC5

Tritanopia (blue-blind)

#00657F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3d40c8;
/* rgb */ color: rgb(61, 64, 200);
/* oklch */ color: oklch(46.3% 0.205 274.0);

Tailwind

colors: {
  custom: {
    50: '#8575da',
    500: '#3d40c8',
    950: '#000000',
  },
}

SCSS

$custom: #3d40c8;
$custom-light: #8575da;
$custom-dark: #000000;

JSON

{
  "hex": "#3d40c8",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 200
  },
  "hsl": {
    "h": 238.705,
    "s": 55.823,
    "l": 51.176
  },
  "oklch": {
    "l": 0.46292,
    "c": 0.20507,
    "h": 274
  },
  "luminance": 0.08829
}

Semantic roles & 50–950 ramp

primary

#3D40C8

secondary

#CFCE92

accent

#DC49DF

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #3D40C8

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

Preview Lab → · Contrast checker → · Palette generator →