#3857C3#3857C3

#3857C3 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.7% C 0.173 H 267.6°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#3857C3
RGB	rgb(56, 87, 195)
HSL	hsl(227, 55%, 49%)
HSV	hsv(227, 71%, 76%)
CMYK	cmyk(71.3%, 55.4%, 0%, 23.5%)
CIE-LAB	lab(40.57, 25.70, -59.87)
CIE-LCH	lch(40.57, 65.15, 293.23°)
OKLab	oklab(49.72% -0.0073 -0.1724)
OKLCH	oklch(49.72% 0.173 267.6)
XYZ	xyz(14.8860, 11.5957, 53.0729)
Luminance	0.1160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3857C3 #C3A438

analogous

#389DC3 #3857C3 #5F38C3

triadic

#3857C3 #C33857 #57C338

tetradic

#3857C3 #C3389D #C3A438 #38C35F

square

#3857C3 #C3389D #C3A438 #38C35F

split-complementary

#3857C3 #C35F38 #9DC338

monochromatic

#1D2D64 #2A4293 #3857C3 #657ED3 #95A6E1

Accessibility & contrast

On white

6.33

#3857C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#3857C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3857C3

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3857C3	#FFFFFF	#000000	##FFFFFF
##3857C3	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066C7

Deuteranopia (green-blind)

#0059C1

Tritanopia (blue-blind)

#007184

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3857c3;
/* rgb */ color: rgb(56, 87, 195);
/* oklch */ color: oklch(49.7% 0.173 267.6);

Tailwind

colors: {
  custom: {
    50: '#8086d6',
    500: '#3857c3',
    950: '#000000',
  },
}

SCSS

$custom: #3857c3;
$custom-light: #8086d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3857c3",
  "rgb": {
    "r": 56,
    "g": 87,
    "b": 195
  },
  "hsl": {
    "h": 226.619,
    "s": 55.378,
    "l": 49.216
  },
  "oklch": {
    "l": 0.4972,
    "c": 0.1726,
    "h": 267.6
  },
  "luminance": 0.11597
}

Semantic roles & 50–950 ramp

primary

#3857C3

secondary

#CCBD8B

accent

#BD49DF

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3857C3

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

Preview Lab → · Contrast checker → · Palette generator →