#3842B7#3842B7

#3842B7 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.8% C 0.182 H 272.8°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#3842B7
RGB	rgb(56, 66, 183)
HSL	hsl(235, 53%, 47%)
HSV	hsv(235, 69%, 72%)
CMYK	cmyk(69.4%, 63.9%, 0%, 28.2%)
CIE-LAB	lab(34.30, 34.87, -63.04)
CIE-LCH	lch(34.30, 72.04, 298.94°)
OKLab	oklab(44.77% 0.0088 -0.182)
OKLCH	oklch(44.77% 0.182 272.8)
XYZ	xyz(12.1235, 8.1549, 45.7257)
Luminance	0.0816 (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

#3842B7 #B7AD38

analogous

#3881B7 #3842B7 #6E38B7

triadic

#3842B7 #B73842 #42B738

tetradic

#3842B7 #B73881 #B7AD38 #38B76E

square

#3842B7 #B73881 #B7AD38 #38B76E

split-complementary

#3842B7 #B76E38 #81B738

monochromatic

#1B2059 #2A3188 #3842B7 #5E67CE #8D93DC

Accessibility & contrast

On white

7.98

#3842B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3842B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3842B7

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3842B7	#FFFFFF	#000000	##FFFFFF
##3842B7	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BB

Deuteranopia (green-blind)

#004BB5

Tritanopia (blue-blind)

#006076

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3842b7;
/* rgb */ color: rgb(56, 66, 183);
/* oklch */ color: oklch(44.8% 0.182 272.8);

Tailwind

colors: {
  custom: {
    50: '#7f76ce',
    500: '#3842b7',
    950: '#000000',
  },
}

SCSS

$custom: #3842b7;
$custom-light: #7f76ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3842b7",
  "rgb": {
    "r": 56,
    "g": 66,
    "b": 183
  },
  "hsl": {
    "h": 235.276,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.4477,
    "c": 0.1822,
    "h": 272.8
  },
  "luminance": 0.08156
}

Semantic roles & 50–950 ramp

primary

#3842B7

secondary

#C7C184

accent

#D14BDD

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3842B7

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

Preview Lab → · Contrast checker → · Palette generator →