#3A42C7#3A42C7

#3A42C7 is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.3% C 0.202 H 272.7°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#3A42C7
RGB	rgb(58, 66, 199)
HSL	hsl(237, 56%, 50%)
HSV	hsv(237, 71%, 78%)
CMYK	cmyk(70.9%, 66.8%, 0%, 22%)
CIE-LAB	lab(35.83, 40.66, -69.93)
CIE-LCH	lch(35.83, 80.89, 300.18°)
OKLab	oklab(46.34% 0.0097 -0.2021)
OKLCH	oklch(46.34% 0.202 272.7)
XYZ	xyz(13.9985, 8.9181, 55.0054)
Luminance	0.0892 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A42C7 #C7BF3A

analogous

#3A88C7 #3A42C7 #793AC7

triadic

#3A42C7 #C73A42 #42C73A

tetradic

#3A42C7 #C73A88 #C7BF3A #3AC779

square

#3A42C7 #C73A88 #C7BF3A #3AC779

split-complementary

#3A42C7 #C7793A #88C73A

monochromatic

#1E2269 #2B3298 #3A42C7 #6A70D5 #999DE2

Accessibility & contrast

On white

7.54

#3A42C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#3A42C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A42C7

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A42C7	#FFFFFF	#000000	##FFFFFF
##3A42C7	1.00	7.54	2.78	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCB

Deuteranopia (green-blind)

#004EC5

Tritanopia (blue-blind)

#00667F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3a42c7;
/* rgb */ color: rgb(58, 66, 199);
/* oklch */ color: oklch(46.3% 0.202 272.7);

Tailwind

colors: {
  custom: {
    50: '#8477d9',
    500: '#3a42c7',
    950: '#000000',
  },
}

SCSS

$custom: #3a42c7;
$custom-light: #8477d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a42c7",
  "rgb": {
    "r": 58,
    "g": 66,
    "b": 199
  },
  "hsl": {
    "h": 236.596,
    "s": 55.731,
    "l": 50.392
  },
  "oklch": {
    "l": 0.46344,
    "c": 0.20235,
    "h": 272.7
  },
  "luminance": 0.08919
}

Semantic roles & 50–950 ramp

primary

#3A42C7

secondary

#CECA8F

accent

#D749DF

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3A42C7

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

Preview Lab → · Contrast checker → · Palette generator →