#3851BE#3851BE

#3851BE is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.1% C 0.173 H 269.1°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#3851BE
RGB	rgb(56, 81, 190)
HSL	hsl(229, 54%, 48%)
HSV	hsv(229, 71%, 75%)
CMYK	cmyk(70.5%, 57.4%, 0%, 25.5%)
CIE-LAB	lab(38.62, 27.75, -60.11)
CIE-LCH	lch(38.62, 66.21, 294.78°)
OKLab	oklab(48.15% -0.0028 -0.1732)
OKLCH	oklch(48.15% 0.173 269.1)
XYZ	xyz(13.8644, 10.4419, 49.9900)
Luminance	0.1044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3851BE #BEA538

analogous

#3894BE #3851BE #6238BE

triadic

#3851BE #BE3851 #51BE38

tetradic

#3851BE #BE3894 #BEA538 #38BE62

square

#3851BE #BE3894 #BEA538 #38BE62

split-complementary

#3851BE #BE6238 #94BE38

monochromatic

#1C295F #2A3D8F #3851BE #6277D1 #92A0DF

Accessibility & contrast

On white

6.80

#3851BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3851BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3851BE

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3851BE	#FFFFFF	#000000	##FFFFFF
##3851BE	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C2

Deuteranopia (green-blind)

#0055BC

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3851be;
/* rgb */ color: rgb(56, 81, 190);
/* oklch */ color: oklch(48.1% 0.173 269.1);

Tailwind

colors: {
  custom: {
    50: '#8081d2',
    500: '#3851be',
    950: '#000000',
  },
}

SCSS

$custom: #3851be;
$custom-light: #8081d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3851be",
  "rgb": {
    "r": 56,
    "g": 81,
    "b": 190
  },
  "hsl": {
    "h": 228.806,
    "s": 54.472,
    "l": 48.235
  },
  "oklch": {
    "l": 0.48146,
    "c": 0.17325,
    "h": 269.1
  },
  "luminance": 0.10443
}

Semantic roles & 50–950 ramp

primary

#3851BE

secondary

#CABD88

accent

#C24ADE

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3851BE

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

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