#3858AF#3858AF

#3858AF is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.4% C 0.144 H 266.0°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#3858AF
RGB	rgb(56, 88, 175)
HSL	hsl(224, 52%, 45%)
HSV	hsv(224, 68%, 69%)
CMYK	cmyk(68%, 49.7%, 0%, 31.4%)
CIE-LAB	lab(39.44, 17.71, -49.98)
CIE-LCH	lch(39.44, 53.03, 289.51°)
OKLab	oklab(48.42% -0.01 -0.1433)
OKLCH	oklch(48.42% 0.144 266)
XYZ	xyz(12.8558, 10.9141, 41.9783)
Luminance	0.1091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3858AF #AF8F38

analogous

#3893AF #3858AF #5438AF

triadic

#3858AF #AF3858 #58AF38

tetradic

#3858AF #AF3893 #AF8F38 #38AF54

square

#3858AF #AF3893 #AF8F38 #38AF54

split-complementary

#3858AF #AF5438 #93AF38

monochromatic

#1A2952 #294181 #3858AF #5A78CA #889ED9

Accessibility & contrast

On white

6.60

#3858AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#3858AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3858AF

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3858AF	#FFFFFF	#000000	##FFFFFF
##3858AF	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2863B2

Deuteranopia (green-blind)

#0358AD

Tritanopia (blue-blind)

#006C7B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3858af;
/* rgb */ color: rgb(56, 88, 175);
/* oklch */ color: oklch(48.4% 0.144 266.0);

Tailwind

colors: {
  custom: {
    50: '#7c86c7',
    500: '#3858af',
    950: '#000000',
  },
}

SCSS

$custom: #3858af;
$custom-light: #7c86c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3858af",
  "rgb": {
    "r": 56,
    "g": 88,
    "b": 175
  },
  "hsl": {
    "h": 223.866,
    "s": 51.515,
    "l": 45.294
  },
  "oklch": {
    "l": 0.48419,
    "c": 0.14369,
    "h": 266
  },
  "luminance": 0.10915
}

Semantic roles & 50–950 ramp

primary

#3858AF

secondary

#C3B180

accent

#B54DDB

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3858AF

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

Preview Lab → · Contrast checker → · Palette generator →