#3843AC#3843AC

#3843AC is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.0% C 0.166 H 272.9°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#3843AC
RGB	rgb(56, 67, 172)
HSL	hsl(234, 51%, 45%)
HSV	hsv(234, 67%, 67%)
CMYK	cmyk(67.4%, 61%, 0%, 32.5%)
CIE-LAB	lab(33.63, 30.34, -57.61)
CIE-LCH	lch(33.63, 65.11, 297.77°)
OKLab	oklab(43.99% 0.0084 -0.166)
OKLCH	oklch(43.99% 0.166 272.9)
XYZ	xyz(11.0819, 7.8326, 39.9496)
Luminance	0.0783 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.16

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3843AC #ACA138

analogous

#387DAC #3843AC #6738AC

triadic

#3843AC #AC3843 #43AC38

tetradic

#3843AC #AC387D #ACA138 #38AC67

square

#3843AC #AC387D #ACA138 #38AC67

split-complementary

#3843AC #AC6738 #7DAC38

monochromatic

#1A1F50 #29317E #3843AC #5863C9 #878ED8

Accessibility & contrast

On white

8.18

#3843AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3843AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3843AC

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3843AC	#FFFFFF	#000000	##FFFFFF
##3843AC	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AF

Deuteranopia (green-blind)

#004AAA

Tritanopia (blue-blind)

#005D71

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3843ac;
/* rgb */ color: rgb(56, 67, 172);
/* oklch */ color: oklch(44.0% 0.166 272.9);

Tailwind

colors: {
  custom: {
    50: '#7d77c6',
    500: '#3843ac',
    950: '#000000',
  },
}

SCSS

$custom: #3843ac;
$custom-light: #7d77c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3843ac",
  "rgb": {
    "r": 56,
    "g": 67,
    "b": 172
  },
  "hsl": {
    "h": 234.31,
    "s": 50.877,
    "l": 44.706
  },
  "oklch": {
    "l": 0.43991,
    "c": 0.16625,
    "h": 272.9
  },
  "luminance": 0.07834
}

Semantic roles & 50–950 ramp

primary

#3843AC

secondary

#C2BB7E

accent

#CD4DDA

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3843AC

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

Preview Lab → · Contrast checker → · Palette generator →