#3842B8#3842B8

#3842B8 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.9% C 0.184 H 272.7°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#3842B8
RGB	rgb(56, 66, 184)
HSL	hsl(235, 53%, 47%)
HSV	hsv(235, 70%, 72%)
CMYK	cmyk(69.6%, 64.1%, 0%, 27.8%)
CIE-LAB	lab(34.39, 35.22, -63.49)
CIE-LCH	lch(34.39, 72.60, 299.01°)
OKLab	oklab(44.86% 0.0087 -0.1833)
OKLCH	oklch(44.86% 0.184 272.7)
XYZ	xyz(12.2279, 8.1967, 46.2758)
Luminance	0.0820 (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

#3842B8 #B8AE38

analogous

#3882B8 #3842B8 #6E38B8

triadic

#3842B8 #B83842 #42B838

tetradic

#3842B8 #B83882 #B8AE38 #38B86E

square

#3842B8 #B83882 #B8AE38 #38B86E

split-complementary

#3842B8 #B86E38 #82B838

monochromatic

#1B205A #2A3189 #3842B8 #5F68CE #8E94DD

Accessibility & contrast

On white

7.96

#3842B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3842B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3842B8

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3842B8	#FFFFFF	#000000	##FFFFFF
##3842B8	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BC

Deuteranopia (green-blind)

#004BB6

Tritanopia (blue-blind)

#006177

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3842b8;
/* rgb */ color: rgb(56, 66, 184);
/* oklch */ color: oklch(44.9% 0.184 272.7);

Tailwind

colors: {
  custom: {
    50: '#7f76ce',
    500: '#3842b8',
    950: '#000000',
  },
}

SCSS

$custom: #3842b8;
$custom-light: #7f76ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3842b8",
  "rgb": {
    "r": 56,
    "g": 66,
    "b": 184
  },
  "hsl": {
    "h": 235.313,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44859,
    "c": 0.18352,
    "h": 272.7
  },
  "luminance": 0.08198
}

Semantic roles & 50–950 ramp

primary

#3842B8

secondary

#C7C285

accent

#D14BDD

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3842B8

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

Preview Lab → · Contrast checker → · Palette generator →