#3843B3#3843B3

#3843B3 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.6% C 0.176 H 272.7°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#3843B3
RGB	rgb(56, 67, 179)
HSL	hsl(235, 52%, 46%)
HSV	hsv(235, 69%, 70%)
CMYK	cmyk(68.7%, 62.6%, 0%, 29.8%)
CIE-LAB	lab(34.21, 32.82, -60.83)
CIE-LCH	lch(34.21, 69.12, 298.35°)
OKLab	oklab(44.6% 0.0082 -0.1755)
OKLCH	oklch(44.6% 0.176 272.7)
XYZ	xyz(11.7720, 8.1086, 43.5838)
Luminance	0.0811 (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

#3843B3 #B3A838

analogous

#3880B3 #3843B3 #6A38B3

triadic

#3843B3 #B33843 #43B338

tetradic

#3843B3 #B33880 #B3A838 #38B36A

square

#3843B3 #B33880 #B3A838 #38B36A

split-complementary

#3843B3 #B36A38 #80B338

monochromatic

#1B2056 #293284 #3843B3 #5C66CC #8B92DB

Accessibility & contrast

On white

8.01

#3843B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3843B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3843B3

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3843B3	#FFFFFF	#000000	##FFFFFF
##3843B3	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B7

Deuteranopia (green-blind)

#004BB1

Tritanopia (blue-blind)

#005F74

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3843b3;
/* rgb */ color: rgb(56, 67, 179);
/* oklch */ color: oklch(44.6% 0.176 272.7);

Tailwind

colors: {
  custom: {
    50: '#7e77cb',
    500: '#3843b3',
    950: '#000000',
  },
}

SCSS

$custom: #3843b3;
$custom-light: #7e77cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3843b3",
  "rgb": {
    "r": 56,
    "g": 67,
    "b": 179
  },
  "hsl": {
    "h": 234.634,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.44595,
    "c": 0.17569,
    "h": 272.7
  },
  "luminance": 0.0811
}

Semantic roles & 50–950 ramp

primary

#3843B3

secondary

#C5BF82

accent

#CF4CDC

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3843B3

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

Preview Lab → · Contrast checker → · Palette generator →