#3843B4#3843B4

#3843B4 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.7% C 0.177 H 272.6°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#3843B4
RGB	rgb(56, 67, 180)
HSL	hsl(235, 53%, 46%)
HSV	hsv(235, 69%, 71%)
CMYK	cmyk(68.9%, 62.8%, 0%, 29.4%)
CIE-LAB	lab(34.29, 33.17, -61.29)
CIE-LCH	lch(34.29, 69.69, 298.43°)
OKLab	oklab(44.68% 0.0082 -0.1768)
OKLCH	oklch(44.68% 0.177 272.6)
XYZ	xyz(11.8735, 8.1492, 44.1184)
Luminance	0.0815 (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

#3843B4 #B4A938

analogous

#3881B4 #3843B4 #6B38B4

triadic

#3843B4 #B43843 #43B438

tetradic

#3843B4 #B43881 #B4A938 #38B46B

square

#3843B4 #B43881 #B4A938 #38B46B

split-complementary

#3843B4 #B46B38 #81B438

monochromatic

#1B2057 #293285 #3843B4 #5D67CD #8B92DB

Accessibility & contrast

On white

7.98

#3843B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3843B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3843B4

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3843B4	#FFFFFF	#000000	##FFFFFF
##3843B4	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)

#0056B8

Deuteranopia (green-blind)

#004BB2

Tritanopia (blue-blind)

#006075

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3843b4;
/* rgb */ color: rgb(56, 67, 180);
/* oklch */ color: oklch(44.7% 0.177 272.6);

Tailwind

colors: {
  custom: {
    50: '#7f77cb',
    500: '#3843b4',
    950: '#000000',
  },
}

SCSS

$custom: #3843b4;
$custom-light: #7f77cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3843b4",
  "rgb": {
    "r": 56,
    "g": 67,
    "b": 180
  },
  "hsl": {
    "h": 234.677,
    "s": 52.542,
    "l": 46.275
  },
  "oklch": {
    "l": 0.44683,
    "c": 0.17703,
    "h": 272.6
  },
  "luminance": 0.0815
}

Semantic roles & 50–950 ramp

primary

#3843B4

secondary

#C5BF82

accent

#CF4CDC

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3843B4

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

Preview Lab → · Contrast checker → · Palette generator →