#3842B4#3842B4

#3842B4 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.5% C 0.178 H 272.9°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#3842B4
RGB	rgb(56, 66, 180)
HSL	hsl(235, 53%, 46%)
HSV	hsv(235, 69%, 71%)
CMYK	cmyk(68.9%, 63.3%, 0%, 29.4%)
CIE-LAB	lab(34.05, 33.81, -61.68)
CIE-LCH	lch(34.05, 70.34, 298.73°)
OKLab	oklab(44.5% 0.0089 -0.178)
OKLCH	oklch(44.5% 0.178 272.9)
XYZ	xyz(11.8146, 8.0314, 44.0987)
Luminance	0.0803 (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

#3842B4 #B4AA38

analogous

#3880B4 #3842B4 #6C38B4

triadic

#3842B4 #B43842 #42B438

tetradic

#3842B4 #B43880 #B4AA38 #38B46C

square

#3842B4 #B43880 #B4AA38 #38B46C

split-complementary

#3842B4 #B46C38 #80B438

monochromatic

#1B2057 #293185 #3842B4 #5D66CD #8B92DB

Accessibility & contrast

On white

8.06

#3842B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3842B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3842B4

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3842B4	#FFFFFF	#000000	##FFFFFF
##3842B4	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B8

Deuteranopia (green-blind)

#004AB2

Tritanopia (blue-blind)

#005F75

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3842b4;
/* rgb */ color: rgb(56, 66, 180);
/* oklch */ color: oklch(44.5% 0.178 272.9);

Tailwind

colors: {
  custom: {
    50: '#7f76cb',
    500: '#3842b4',
    950: '#000000',
  },
}

SCSS

$custom: #3842b4;
$custom-light: #7f76cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3842b4",
  "rgb": {
    "r": 56,
    "g": 66,
    "b": 180
  },
  "hsl": {
    "h": 235.161,
    "s": 52.542,
    "l": 46.275
  },
  "oklch": {
    "l": 0.44504,
    "c": 0.17823,
    "h": 272.9
  },
  "luminance": 0.08032
}

Semantic roles & 50–950 ramp

primary

#3842B4

secondary

#C5C082

accent

#D04CDC

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3842B4

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

Preview Lab → · Contrast checker → · Palette generator →