#3858DB#3858DB

#3858DB is a mid, highly saturated blue. Relative luminance 0.129; OKLCH L 51.9% C 0.203 H 267.9°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX#3858DB
RGBrgb(56, 88, 219)
HSLhsl(228, 69%, 54%)
HSVhsv(228, 74%, 86%)
CMYKcmyk(74.4%, 59.8%, 0%, 14.1%)
CIE-LABlab(42.66, 33.76, -70.28)
CIE-LCHlch(42.66, 77.97, 295.66°)
OKLaboklab(51.86% -0.0074 -0.203)
OKLCHoklch(51.86% 0.203 267.9)
XYZxyz(17.9024, 12.9327, 68.5569)
Luminance0.1293 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3858DB #DBBB38
analogous
#38AADB #3858DB #6A38DB
triadic
#3858DB #DB3858 #58DB38
tetradic
#3858DB #DB38AA #DBBB38 #38DB6A
square
#3858DB #DB38AA #DBBB38 #38DB6A
split-complementary
#3858DB #DB6A38 #AADB38
monochromatic
#172C81 #213EB5 #3858DB #6C83E4 #A0AFEE

Accessibility & contrast

On white

5.85
#3858DB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.59
#3858DB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3858DB
5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3858DB#FFFFFF#000000##FFFFFF
##3858DB1.005.853.595.85
#FFFFFF5.851.0021.001.00
#0000003.5921.001.0021.00
##FFFFFF5.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006DDF
Deuteranopia (green-blind)
#005DD8
Tritanopia (blue-blind)
#007991
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #3858db;
/* rgb */ color: rgb(56, 88, 219);
/* oklch */ color: oklch(51.9% 0.203 267.9);
Tailwind
colors: {
  custom: {
    50: '#8686e7',
    500: '#3858db',
    950: '#000000',
  },
}
SCSS
$custom: #3858db;
$custom-light: #8686e7;
$custom-dark: #000000;
JSON
{
  "hex": "#3858db",
  "rgb": {
    "r": 56,
    "g": 88,
    "b": 219
  },
  "hsl": {
    "h": 228.221,
    "s": 69.362,
    "l": 53.922
  },
  "oklch": {
    "l": 0.51863,
    "c": 0.20314,
    "h": 267.9
  },
  "luminance": 0.12935
}

Semantic roles & 50–950 ramp

primary
#3858DB
secondary
#DACD95
accent
#CA3CEC
background
#F9F8FE
surface
#F1EFFD
border
#CBCAD5
text
#0D0B16
muted
#7E7C84

Preview Lab

Preview with #3858DB

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

Preview Lab → · Contrast checker → · Palette generator →

#3858DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva