#3E40CA#3E40CA

#3E40CA is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 46.5% C 0.207 H 274.2°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#3E40CA
RGB	rgb(62, 64, 202)
HSL	hsl(239, 57%, 52%)
HSV	hsv(239, 69%, 79%)
CMYK	cmyk(69.3%, 68.3%, 0%, 20.8%)
CIE-LAB	lab(35.90, 43.34, -71.55)
CIE-LCH	lch(35.90, 83.66, 301.20°)
OKLab	oklab(46.54% 0.0152 -0.2068)
OKLCH	oklch(46.54% 0.207 274.2)
XYZ	xyz(14.4771, 8.9538, 56.8310)
Luminance	0.0896 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.85

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E40CA #CAC83E

analogous

#3E86CA #3E40CA #823ECA

triadic

#3E40CA #CA3E40 #40CA3E

tetradic

#3E40CA #CA3E86 #CAC83E #3ECA82

square

#3E40CA #CA3E86 #CAC83E #3ECA82

split-complementary

#3E40CA #CA823E #86CA3E

monochromatic

#1F206F #2C2D9F #3E40CA #6E70D7 #9E9FE4

Accessibility & contrast

On white

7.52

#3E40CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#3E40CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E40CA

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E40CA	#FFFFFF	#000000	##FFFFFF
##3E40CA	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCE

Deuteranopia (green-blind)

#004EC7

Tritanopia (blue-blind)

#006580

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3e40ca;
/* rgb */ color: rgb(62, 64, 202);
/* oklch */ color: oklch(46.5% 0.207 274.2);

Tailwind

colors: {
  custom: {
    50: '#8676db',
    500: '#3e40ca',
    950: '#000000',
  },
}

SCSS

$custom: #3e40ca;
$custom-light: #8676db;
$custom-dark: #000000;

JSON

{
  "hex": "#3e40ca",
  "rgb": {
    "r": 62,
    "g": 64,
    "b": 202
  },
  "hsl": {
    "h": 239.143,
    "s": 56.911,
    "l": 51.765
  },
  "oklch": {
    "l": 0.46541,
    "c": 0.20733,
    "h": 274.2
  },
  "luminance": 0.08955
}

Semantic roles & 50–950 ramp

primary

#3E40CA

secondary

#D1D093

accent

#DE48E0

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3E40CA

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

Preview Lab → · Contrast checker → · Palette generator →