#3858BA#3858BA

#3858BA is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.2% C 0.159 H 266.8°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#3858BA
RGB	rgb(56, 88, 186)
HSL	hsl(225, 54%, 47%)
HSV	hsv(225, 70%, 73%)
CMYK	cmyk(69.9%, 52.7%, 0%, 27.1%)
CIE-LAB	lab(40.19, 21.75, -55.24)
CIE-LCH	lch(40.19, 59.36, 291.49°)
OKLab	oklab(49.23% -0.0088 -0.1588)
OKLCH	oklch(49.23% 0.159 266.8)
XYZ	xyz(13.9805, 11.3640, 47.9015)
Luminance	0.1137 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3858BA #BA9A38

analogous

#3899BA #3858BA #5938BA

triadic

#3858BA #BA3858 #58BA38

tetradic

#3858BA #BA3899 #BA9A38 #38BA59

square

#3858BA #BA3899 #BA9A38 #38BA59

split-complementary

#3858BA #BA5938 #99BA38

monochromatic

#1C2B5C #2A428B #3858BA #607BCF #8FA2DD

Accessibility & contrast

On white

6.42

#3858BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#3858BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3858BA

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3858BA	#FFFFFF	#000000	##FFFFFF
##3858BA	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1665BD

Deuteranopia (green-blind)

#0059B8

Tritanopia (blue-blind)

#006F80

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3858ba;
/* rgb */ color: rgb(56, 88, 186);
/* oklch */ color: oklch(49.2% 0.159 266.8);

Tailwind

colors: {
  custom: {
    50: '#7e86cf',
    500: '#3858ba',
    950: '#000000',
  },
}

SCSS

$custom: #3858ba;
$custom-light: #7e86cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3858ba",
  "rgb": {
    "r": 56,
    "g": 88,
    "b": 186
  },
  "hsl": {
    "h": 225.231,
    "s": 53.719,
    "l": 47.451
  },
  "oklch": {
    "l": 0.49229,
    "c": 0.15905,
    "h": 266.8
  },
  "luminance": 0.11365
}

Semantic roles & 50–950 ramp

primary

#3858BA

secondary

#C8B886

accent

#B94BDD

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3858BA

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

Preview Lab → · Contrast checker → · Palette generator →