#3858B9#3858B9

#3858B9 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.2% C 0.158 H 266.8°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#3858B9
RGB	rgb(56, 88, 185)
HSL	hsl(225, 54%, 47%)
HSV	hsv(225, 70%, 73%)
CMYK	cmyk(69.7%, 52.4%, 0%, 27.5%)
CIE-LAB	lab(40.12, 21.38, -54.76)
CIE-LCH	lch(40.12, 58.79, 291.33°)
OKLab	oklab(49.15% -0.0089 -0.1574)
OKLCH	oklch(49.15% 0.158 266.8)
XYZ	xyz(13.8745, 11.3216, 47.3436)
Luminance	0.1132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3858B9 #B99938

analogous

#3899B9 #3858B9 #5838B9

triadic

#3858B9 #B93858 #58B938

tetradic

#3858B9 #B93899 #B99938 #38B958

square

#3858B9 #B93899 #B99938 #38B958

split-complementary

#3858B9 #B95838 #99B938

monochromatic

#1C2B5B #2A428A #3858B9 #5F7BCF #8EA2DD

Accessibility & contrast

On white

6.43

#3858B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#3858B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3858B9

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3858B9	#FFFFFF	#000000	##FFFFFF
##3858B9	1.00	6.43	3.26	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1865BC

Deuteranopia (green-blind)

#0059B7

Tritanopia (blue-blind)

#006F80

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3858b9;
/* rgb */ color: rgb(56, 88, 185);
/* oklch */ color: oklch(49.2% 0.158 266.8);

Tailwind

colors: {
  custom: {
    50: '#7e86cf',
    500: '#3858b9',
    950: '#000000',
  },
}

SCSS

$custom: #3858b9;
$custom-light: #7e86cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3858b9",
  "rgb": {
    "r": 56,
    "g": 88,
    "b": 185
  },
  "hsl": {
    "h": 225.116,
    "s": 53.527,
    "l": 47.255
  },
  "oklch": {
    "l": 0.49154,
    "c": 0.15766,
    "h": 266.8
  },
  "luminance": 0.11323
}

Semantic roles & 50–950 ramp

primary

#3858B9

secondary

#C8B785

accent

#B94BDD

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3858B9

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

Preview Lab → · Contrast checker → · Palette generator →