#3858AC#3858AC

#3858AC is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.2% C 0.139 H 265.7°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#3858AC
RGB	rgb(56, 88, 172)
HSL	hsl(223, 51%, 45%)
HSV	hsv(223, 67%, 67%)
CMYK	cmyk(67.4%, 48.8%, 0%, 32.5%)
CIE-LAB	lab(39.24, 16.61, -48.53)
CIE-LCH	lch(39.24, 51.30, 288.90°)
OKLab	oklab(48.21% -0.0104 -0.1391)
OKLCH	oklch(48.21% 0.139 265.7)
XYZ	xyz(12.5644, 10.7975, 40.4437)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3858AC #AC8C38

analogous

#3892AC #3858AC #5238AC

triadic

#3858AC #AC3858 #58AC38

tetradic

#3858AC #AC3892 #AC8C38 #38AC52

square

#3858AC #AC3892 #AC8C38 #38AC52

split-complementary

#3858AC #AC5238 #92AC38

monochromatic

#1A2950 #29407E #3858AC #5877C9 #879DD8

Accessibility & contrast

On white

6.65

#3858AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#3858AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3858AC

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3858AC	#FFFFFF	#000000	##FFFFFF
##3858AC	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B62AF

Deuteranopia (green-blind)

#0E57AA

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3858ac;
/* rgb */ color: rgb(56, 88, 172);
/* oklch */ color: oklch(48.2% 0.139 265.7);

Tailwind

colors: {
  custom: {
    50: '#7c86c5',
    500: '#3858ac',
    950: '#000000',
  },
}

SCSS

$custom: #3858ac;
$custom-light: #7c86c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3858ac",
  "rgb": {
    "r": 56,
    "g": 88,
    "b": 172
  },
  "hsl": {
    "h": 223.448,
    "s": 50.877,
    "l": 44.706
  },
  "oklch": {
    "l": 0.48205,
    "c": 0.13945,
    "h": 265.7
  },
  "luminance": 0.10799
}

Semantic roles & 50–950 ramp

primary

#3858AC

secondary

#C2AF7E

accent

#B34DDA

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3858AC

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

Preview Lab → · Contrast checker → · Palette generator →