#3548CB#3548CB

#3548CB is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 47.5% C 0.202 H 270.1°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX#3548CB
RGBrgb(53, 72, 203)
HSLhsl(232, 59%, 50%)
HSVhsv(232, 74%, 80%)
CMYKcmyk(73.9%, 64.5%, 0%, 20.4%)
CIE-LABlab(37.30, 37.79, -69.85)
CIE-LCHlch(37.30, 79.41, 298.42°)
OKLaboklab(47.46% 0.0005 -0.202)
OKLCHoklch(47.46% 0.202 270.1)
XYZxyz(14.5614, 9.7019, 57.5936)
Luminance0.0970 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3548CB #CBB835
analogous
#3593CB #3548CB #6D35CB
triadic
#3548CB #CB3548 #48CB35
tetradic
#3548CB #CB3593 #CBB835 #35CB6D
square
#3548CB #CB3593 #CBB835 #35CB6D
split-complementary
#3548CB #CB6D35 #93CB35
monochromatic
#1B256A #28369B #3548CB #6674D8 #96A0E4

Accessibility & contrast

On white

7.14
#3548CB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.94
#3548CB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3548CB
7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3548CB#FFFFFF#000000##FFFFFF
##3548CB1.007.142.947.14
#FFFFFF7.141.0021.001.00
#0000002.9421.001.0021.00
##FFFFFF7.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005FCF
Deuteranopia (green-blind)
#0051C9
Tritanopia (blue-blind)
#006B83
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #3548cb;
/* rgb */ color: rgb(53, 72, 203);
/* oklch */ color: oklch(47.5% 0.202 270.1);
Tailwind
colors: {
  custom: {
    50: '#827bdc',
    500: '#3548cb',
    950: '#000000',
  },
}
SCSS
$custom: #3548cb;
$custom-light: #827bdc;
$custom-dark: #000000;
JSON
{
  "hex": "#3548cb",
  "rgb": {
    "r": 53,
    "g": 72,
    "b": 203
  },
  "hsl": {
    "h": 232.4,
    "s": 59.055,
    "l": 50.196
  },
  "oklch": {
    "l": 0.47456,
    "c": 0.20196,
    "h": 270.1
  },
  "luminance": 0.09703
}

Semantic roles & 50–950 ramp

primary
#3548CB
secondary
#CFC78C
accent
#CE46E2
background
#F8F7FD
surface
#F0EDFB
border
#CBC8D4
text
#0C0915
muted
#7D7B83

Preview Lab

Preview with #3548CB

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

Preview Lab → · Contrast checker → · Palette generator →

#3548CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva