#3858A8#3858A8

#3858A8 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.9% C 0.134 H 265.3°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#3858A8
RGB	rgb(56, 88, 168)
HSL	hsl(223, 50%, 44%)
HSV	hsv(223, 67%, 66%)
CMYK	cmyk(66.7%, 47.6%, 0%, 34.1%)
CIE-LAB	lab(38.98, 15.15, -46.58)
CIE-LCH	lch(38.98, 48.98, 288.02°)
OKLab	oklab(47.92% -0.011 -0.1333)
OKLCH	oklch(47.92% 0.134 265.3)
XYZ	xyz(12.1860, 10.6462, 38.4509)
Luminance	0.1065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3858A8 #A88838

analogous

#3890A8 #3858A8 #5038A8

triadic

#3858A8 #A83858 #58A838

tetradic

#3858A8 #A83890 #A88838 #38A850

square

#3858A8 #A83890 #A88838 #38A850

split-complementary

#3858A8 #A85038 #90A838

monochromatic

#19284C #29407A #3858A8 #5677C7 #849CD6

Accessibility & contrast

On white

6.71

#3858A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#3858A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3858A8

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3858A8	#FFFFFF	#000000	##FFFFFF
##3858A8	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F61AB

Deuteranopia (green-blind)

#1857A6

Tritanopia (blue-blind)

#006A78

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3858a8;
/* rgb */ color: rgb(56, 88, 168);
/* oklch */ color: oklch(47.9% 0.134 265.3);

Tailwind

colors: {
  custom: {
    50: '#7b86c2',
    500: '#3858a8',
    950: '#000000',
  },
}

SCSS

$custom: #3858a8;
$custom-light: #7b86c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3858a8",
  "rgb": {
    "r": 56,
    "g": 88,
    "b": 168
  },
  "hsl": {
    "h": 222.857,
    "s": 50,
    "l": 43.922
  },
  "oklch": {
    "l": 0.47923,
    "c": 0.13377,
    "h": 265.3
  },
  "luminance": 0.10647
}

Semantic roles & 50–950 ramp

primary

#3858A8

secondary

#C0AC7C

accent

#B24EDA

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3858A8

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

Preview Lab → · Contrast checker → · Palette generator →