#3A40CA#3A40CA

#3A40CA is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.3% C 0.208 H 272.9°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#3A40CA
RGB	rgb(58, 64, 202)
HSL	hsl(238, 58%, 51%)
HSV	hsv(238, 71%, 79%)
CMYK	cmyk(71.3%, 68.3%, 0%, 20.8%)
CIE-LAB	lab(35.65, 42.89, -71.96)
CIE-LCH	lch(35.65, 83.77, 300.79°)
OKLab	oklab(46.3% 0.0106 -0.2081)
OKLCH	oklch(46.3% 0.208 272.9)
XYZ	xyz(14.2354, 8.8292, 56.8196)
Luminance	0.0883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.43

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A40CA #CAC43A

analogous

#3A88CA #3A40CA #7C3ACA

triadic

#3A40CA #CA3A40 #40CA3A

tetradic

#3A40CA #CA3A88 #CAC43A #3ACA7C

square

#3A40CA #CA3A88 #CAC43A #3ACA7C

split-complementary

#3A40CA #CA7C3A #88CA3A

monochromatic

#1D206C #2A2F9D #3A40CA #6A6FD7 #9A9EE4

Accessibility & contrast

On white

7.59

#3A40CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#3A40CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A40CA

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A40CA	#FFFFFF	#000000	##FFFFFF
##3A40CA	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)

#005BCE

Deuteranopia (green-blind)

#004DC7

Tritanopia (blue-blind)

#006680

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3a40ca;
/* rgb */ color: rgb(58, 64, 202);
/* oklch */ color: oklch(46.3% 0.208 272.9);

Tailwind

colors: {
  custom: {
    50: '#8475db',
    500: '#3a40ca',
    950: '#000000',
  },
}

SCSS

$custom: #3a40ca;
$custom-light: #8475db;
$custom-dark: #000000;

JSON

{
  "hex": "#3a40ca",
  "rgb": {
    "r": 58,
    "g": 64,
    "b": 202
  },
  "hsl": {
    "h": 237.5,
    "s": 57.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.46302,
    "c": 0.20833,
    "h": 272.9
  },
  "luminance": 0.08831
}

Semantic roles & 50–950 ramp

primary

#3A40CA

secondary

#D0CD90

accent

#DA47E1

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #3A40CA

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

Preview Lab → · Contrast checker → · Palette generator →