#3855CB#3855CB

#3855CB is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.0% C 0.186 H 268.3°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#3855CB
RGB	rgb(56, 85, 203)
HSL	hsl(228, 59%, 51%)
HSV	hsv(228, 72%, 80%)
CMYK	cmyk(72.4%, 58.1%, 0%, 20.4%)
CIE-LAB	lab(40.65, 29.89, -64.37)
CIE-LCH	lch(40.65, 70.97, 294.91°)
OKLab	oklab(49.97% -0.0055 -0.1857)
OKLCH	oklch(49.97% 0.186 268.3)
XYZ	xyz(15.6552, 11.6479, 57.9115)
Luminance	0.1165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3855CB #CBAE38

analogous

#389FCB #3855CB #6438CB

triadic

#3855CB #CB3855 #55CB38

tetradic

#3855CB #CB389F #CBAE38 #38CB64

square

#3855CB #CB389F #CBAE38 #38CB64

split-complementary

#3855CB #CB6438 #9FCB38

monochromatic

#1C2C6C #29409D #3855CB #697ED8 #99A8E4

Accessibility & contrast

On white

6.31

#3855CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#3855CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3855CB

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3855CB	#FFFFFF	#000000	##FFFFFF
##3855CB	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CF

Deuteranopia (green-blind)

#0059C9

Tritanopia (blue-blind)

#007288

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3855cb;
/* rgb */ color: rgb(56, 85, 203);
/* oklch */ color: oklch(50.0% 0.186 268.3);

Tailwind

colors: {
  custom: {
    50: '#8284dc',
    500: '#3855cb',
    950: '#000000',
  },
}

SCSS

$custom: #3855cb;
$custom-light: #8284dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3855cb",
  "rgb": {
    "r": 56,
    "g": 85,
    "b": 203
  },
  "hsl": {
    "h": 228.163,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.49974,
    "c": 0.18578,
    "h": 268.3
  },
  "luminance": 0.1165
}

Semantic roles & 50–950 ramp

primary

#3855CB

secondary

#D0C38F

accent

#C346E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3855CB

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

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