#3855B7#3855B7

#3855B7 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.4% C 0.159 H 267.7°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#3855B7
RGB	rgb(56, 85, 183)
HSL	hsl(226, 53%, 47%)
HSV	hsv(226, 69%, 72%)
CMYK	cmyk(69.4%, 53.6%, 0%, 28.2%)
CIE-LAB	lab(39.17, 22.60, -55.13)
CIE-LCH	lch(39.17, 59.58, 292.29°)
OKLab	oklab(48.39% -0.0065 -0.1585)
OKLCH	oklch(48.39% 0.159 267.7)
XYZ	xyz(13.4237, 10.7553, 46.1591)
Luminance	0.1076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3855B7 #B79A38

analogous

#3895B7 #3855B7 #5B38B7

triadic

#3855B7 #B73855 #55B738

tetradic

#3855B7 #B73895 #B79A38 #38B75B

square

#3855B7 #B73895 #B79A38 #38B75B

split-complementary

#3855B7 #B75B38 #95B738

monochromatic

#1B2959 #2A3F88 #3855B7 #5E78CE #8D9FDC

Accessibility & contrast

On white

6.66

#3855B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#3855B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3855B7

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3855B7	#FFFFFF	#000000	##FFFFFF
##3855B7	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F62BA

Deuteranopia (green-blind)

#0057B5

Tritanopia (blue-blind)

#006C7E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3855b7;
/* rgb */ color: rgb(56, 85, 183);
/* oklch */ color: oklch(48.4% 0.159 267.7);

Tailwind

colors: {
  custom: {
    50: '#7e84cd',
    500: '#3855b7',
    950: '#000000',
  },
}

SCSS

$custom: #3855b7;
$custom-light: #7e84cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3855b7",
  "rgb": {
    "r": 56,
    "g": 85,
    "b": 183
  },
  "hsl": {
    "h": 226.299,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.4839,
    "c": 0.15866,
    "h": 267.7
  },
  "luminance": 0.10757
}

Semantic roles & 50–950 ramp

primary

#3855B7

secondary

#C7B884

accent

#BB4BDD

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3855B7

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

Preview Lab → · Contrast checker → · Palette generator →