#3857BE#3857BE

#3857BE is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.3% C 0.166 H 267.4°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#3857BE
RGB	rgb(56, 87, 190)
HSL	hsl(226, 54%, 48%)
HSV	hsv(226, 71%, 75%)
CMYK	cmyk(70.5%, 54.2%, 0%, 25.5%)
CIE-LAB	lab(40.20, 23.87, -57.55)
CIE-LCH	lch(40.20, 62.30, 292.52°)
OKLab	oklab(49.33% -0.0077 -0.1656)
OKLCH	oklch(49.33% 0.166 267.4)
XYZ	xyz(14.3301, 11.3734, 50.1453)
Luminance	0.1138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3857BE #BE9F38

analogous

#389ABE #3857BE #5C38BE

triadic

#3857BE #BE3857 #57BE38

tetradic

#3857BE #BE389A #BE9F38 #38BE5C

square

#3857BE #BE389A #BE9F38 #38BE5C

split-complementary

#3857BE #BE5C38 #9ABE38

monochromatic

#1C2C5F #2A418F #3857BE #627CD1 #92A3DF

Accessibility & contrast

On white

6.41

#3857BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#3857BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3857BE

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3857BE	#FFFFFF	#000000	##FFFFFF
##3857BE	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0365C2

Deuteranopia (green-blind)

#0059BC

Tritanopia (blue-blind)

#007082

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3857be;
/* rgb */ color: rgb(56, 87, 190);
/* oklch */ color: oklch(49.3% 0.166 267.4);

Tailwind

colors: {
  custom: {
    50: '#7f85d2',
    500: '#3857be',
    950: '#000000',
  },
}

SCSS

$custom: #3857be;
$custom-light: #7f85d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3857be",
  "rgb": {
    "r": 56,
    "g": 87,
    "b": 190
  },
  "hsl": {
    "h": 226.119,
    "s": 54.472,
    "l": 48.235
  },
  "oklch": {
    "l": 0.49331,
    "c": 0.1658,
    "h": 267.4
  },
  "luminance": 0.11375
}

Semantic roles & 50–950 ramp

primary

#3857BE

secondary

#CABB88

accent

#BC4ADE

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3857BE

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

Preview Lab → · Contrast checker → · Palette generator →