#3856CB#3856CB

#3856CB is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.2% C 0.185 H 268.1°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#3856CB
RGB	rgb(56, 86, 203)
HSL	hsl(228, 59%, 51%)
HSV	hsv(228, 72%, 80%)
CMYK	cmyk(72.4%, 57.6%, 0%, 20.4%)
CIE-LAB	lab(40.91, 29.25, -63.95)
CIE-LCH	lch(40.91, 70.33, 294.58°)
OKLab	oklab(50.17% -0.0062 -0.1845)
OKLCH	oklch(50.17% 0.185 268.1)
XYZ	xyz(15.7344, 11.8065, 57.9380)
Luminance	0.1181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3856CB #CBAD38

analogous

#389FCB #3856CB #6338CB

triadic

#3856CB #CB3856 #56CB38

tetradic

#3856CB #CB389F #CBAD38 #38CB63

square

#3856CB #CB389F #CBAD38 #38CB63

split-complementary

#3856CB #CB6338 #9FCB38

monochromatic

#1C2D6C #29419D #3856CB #697FD8 #99A8E4

Accessibility & contrast

On white

6.25

#3856CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#3856CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3856CB

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3856CB	#FFFFFF	#000000	##FFFFFF
##3856CB	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CF

Deuteranopia (green-blind)

#005AC9

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3856cb;
/* rgb */ color: rgb(56, 86, 203);
/* oklch */ color: oklch(50.2% 0.185 268.1);

Tailwind

colors: {
  custom: {
    50: '#8285dc',
    500: '#3856cb',
    950: '#000000',
  },
}

SCSS

$custom: #3856cb;
$custom-light: #8285dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3856cb",
  "rgb": {
    "r": 56,
    "g": 86,
    "b": 203
  },
  "hsl": {
    "h": 227.755,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.50165,
    "c": 0.18457,
    "h": 268.1
  },
  "luminance": 0.11808
}

Semantic roles & 50–950 ramp

primary

#3856CB

secondary

#D0C38F

accent

#C246E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3856CB

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

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