#3A42C8#3A42C8

#3A42C8 is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 46.4% C 0.204 H 272.7°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#3A42C8
RGB	rgb(58, 66, 200)
HSL	hsl(237, 56%, 51%)
HSV	hsv(237, 71%, 78%)
CMYK	cmyk(71%, 67%, 0%, 21.6%)
CIE-LAB	lab(35.92, 41.00, -70.37)
CIE-LCH	lch(35.92, 81.44, 300.23°)
OKLab	oklab(46.44% 0.0096 -0.2034)
OKLCH	oklch(46.44% 0.204 272.7)
XYZ	xyz(14.1150, 8.9647, 55.6189)
Luminance	0.0897 (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

#3A42C8 #C8C03A

analogous

#3A89C8 #3A42C8 #793AC8

triadic

#3A42C8 #C83A42 #42C83A

tetradic

#3A42C8 #C83A89 #C8C03A #3AC879

square

#3A42C8 #C83A89 #C8C03A #3AC879

split-complementary

#3A42C8 #C8793A #89C83A

monochromatic

#1E226A #2B319A #3A42C8 #6A70D5 #9A9EE3

Accessibility & contrast

On white

7.52

#3A42C8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#3A42C8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A42C8

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A42C8	#FFFFFF	#000000	##FFFFFF
##3A42C8	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)

#005BCC

Deuteranopia (green-blind)

#004EC5

Tritanopia (blue-blind)

#00667F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3a42c8;
/* rgb */ color: rgb(58, 66, 200);
/* oklch */ color: oklch(46.4% 0.204 272.7);

Tailwind

colors: {
  custom: {
    50: '#8477da',
    500: '#3a42c8',
    950: '#000000',
  },
}

SCSS

$custom: #3a42c8;
$custom-light: #8477da;
$custom-dark: #000000;

JSON

{
  "hex": "#3a42c8",
  "rgb": {
    "r": 58,
    "g": 66,
    "b": 200
  },
  "hsl": {
    "h": 236.62,
    "s": 56.349,
    "l": 50.588
  },
  "oklch": {
    "l": 0.46437,
    "c": 0.20362,
    "h": 272.7
  },
  "luminance": 0.08966
}

Semantic roles & 50–950 ramp

primary

#3A42C8

secondary

#CECB8F

accent

#D748E0

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3A42C8

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

Preview Lab → · Contrast checker → · Palette generator →