#3843AA#3843AA

#3843AA is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.8% C 0.164 H 273.0°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#3843AA
RGB	rgb(56, 67, 170)
HSL	hsl(234, 50%, 44%)
HSV	hsv(234, 67%, 67%)
CMYK	cmyk(67.1%, 60.6%, 0%, 33.3%)
CIE-LAB	lab(33.47, 29.62, -56.68)
CIE-LCH	lch(33.47, 63.95, 297.59°)
OKLab	oklab(43.82% 0.0085 -0.1633)
OKLCH	oklch(43.82% 0.164 273)
XYZ	xyz(10.8913, 7.7564, 38.9456)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3843AA #AA9F38

analogous

#387CAA #3843AA #6638AA

triadic

#3843AA #AA3843 #43AA38

tetradic

#3843AA #AA387C #AA9F38 #38AA66

square

#3843AA #AA387C #AA9F38 #38AA66

split-complementary

#3843AA #AA6638 #7CAA38

monochromatic

#1A1F4E #29317C #3843AA #5762C8 #858DD7

Accessibility & contrast

On white

8.23

#3843AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3843AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3843AA

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3843AA	#FFFFFF	#000000	##FFFFFF
##3843AA	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AD

Deuteranopia (green-blind)

#004AA8

Tritanopia (blue-blind)

#005D70

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3843aa;
/* rgb */ color: rgb(56, 67, 170);
/* oklch */ color: oklch(43.8% 0.164 273.0);

Tailwind

colors: {
  custom: {
    50: '#7c77c4',
    500: '#3843aa',
    950: '#000000',
  },
}

SCSS

$custom: #3843aa;
$custom-light: #7c77c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3843aa",
  "rgb": {
    "r": 56,
    "g": 67,
    "b": 170
  },
  "hsl": {
    "h": 234.211,
    "s": 50.442,
    "l": 44.314
  },
  "oklch": {
    "l": 0.43821,
    "c": 0.16352,
    "h": 273
  },
  "luminance": 0.07757
}

Semantic roles & 50–950 ramp

primary

#3843AA

secondary

#C1BA7D

accent

#CC4EDA

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3843AA

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

Preview Lab → · Contrast checker → · Palette generator →