#3857D5#3857D5

#3857D5 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.2% C 0.197 H 268.0°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#3857D5
RGB	rgb(56, 87, 213)
HSL	hsl(228, 65%, 53%)
HSV	hsv(228, 74%, 84%)
CMYK	cmyk(73.7%, 59.2%, 0%, 16.5%)
CIE-LAB	lab(41.94, 32.23, -68.03)
CIE-LCH	lch(41.94, 75.28, 295.35°)
OKLab	oklab(51.18% -0.0067 -0.1964)
OKLCH	oklch(51.18% 0.197 268)
XYZ	xyz(17.0452, 12.4594, 64.4445)
Luminance	0.1246 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3857D5 #D5B638

analogous

#38A5D5 #3857D5 #6838D5

triadic

#3857D5 #D53857 #57D538

tetradic

#3857D5 #D538A5 #D5B638 #38D568

square

#3857D5 #D538A5 #D5B638 #38D568

split-complementary

#3857D5 #D56838 #A5D538

monochromatic

#1A2C79 #243FAC #3857D5 #6B82E0 #9DACEA

Accessibility & contrast

On white

6.01

#3857D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#3857D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3857D5

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3857D5	#FFFFFF	#000000	##FFFFFF
##3857D5	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD9

Deuteranopia (green-blind)

#005CD3

Tritanopia (blue-blind)

#00778D

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3857d5;
/* rgb */ color: rgb(56, 87, 213);
/* oklch */ color: oklch(51.2% 0.197 268.0);

Tailwind

colors: {
  custom: {
    50: '#8486e3',
    500: '#3857d5',
    950: '#000000',
  },
}

SCSS

$custom: #3857d5;
$custom-light: #8486e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3857d5",
  "rgb": {
    "r": 56,
    "g": 87,
    "b": 213
  },
  "hsl": {
    "h": 228.153,
    "s": 65.145,
    "l": 52.745
  },
  "oklch": {
    "l": 0.51176,
    "c": 0.19654,
    "h": 268
  },
  "luminance": 0.12461
}

Semantic roles & 50–950 ramp

primary

#3857D5

secondary

#D6C992

accent

#C740E8

background

#F8F8FE

surface

#F0EFFC

border

#CBCAD5

text

#0D0B16

muted

#7D7C84

Preview Lab

Preview with #3857D5

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

Preview Lab → · Contrast checker → · Palette generator →