#3857D2#3857D2

#3857D2 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.9% C 0.193 H 268.0°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#3857D2
RGB	rgb(56, 87, 210)
HSL	hsl(228, 63%, 52%)
HSV	hsv(228, 73%, 82%)
CMYK	cmyk(73.3%, 58.6%, 0%, 17.6%)
CIE-LAB	lab(41.70, 31.15, -66.69)
CIE-LCH	lch(41.70, 73.61, 295.04°)
OKLab	oklab(50.93% -0.0068 -0.1925)
OKLCH	oklch(50.93% 0.193 268)
XYZ	xyz(16.6679, 12.3085, 62.4576)
Luminance	0.1231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3857D2 #D2B338

analogous

#38A4D2 #3857D2 #6638D2

triadic

#3857D2 #D23857 #57D238

tetradic

#3857D2 #D238A4 #D2B338 #38D266

square

#3857D2 #D238A4 #D2B338 #38D266

split-complementary

#3857D2 #D26638 #A4D238

monochromatic

#1A2D75 #2640A7 #3857D2 #6A81DD #9CABE9

Accessibility & contrast

On white

6.07

#3857D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#3857D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3857D2

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3857D2	#FFFFFF	#000000	##FFFFFF
##3857D2	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD6

Deuteranopia (green-blind)

#005BD0

Tritanopia (blue-blind)

#00768C

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3857d2;
/* rgb */ color: rgb(56, 87, 210);
/* oklch */ color: oklch(50.9% 0.193 268.0);

Tailwind

colors: {
  custom: {
    50: '#8486e1',
    500: '#3857d2',
    950: '#000000',
  },
}

SCSS

$custom: #3857d2;
$custom-light: #8486e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3857d2",
  "rgb": {
    "r": 56,
    "g": 87,
    "b": 210
  },
  "hsl": {
    "h": 227.922,
    "s": 63.115,
    "l": 52.157
  },
  "oklch": {
    "l": 0.50928,
    "c": 0.19261,
    "h": 268
  },
  "luminance": 0.1231
}

Semantic roles & 50–950 ramp

primary

#3857D2

secondary

#D5C791

accent

#C542E6

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3857D2

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

Preview Lab → · Contrast checker → · Palette generator →