#4153CB#4153CB

#4153CB is a mid, vivid blue. Relative luminance 0.116; OKLCH L 50.1% C 0.186 H 271.5°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX#4153CB
RGBrgb(65, 83, 203)
HSLhsl(232, 57%, 53%)
HSVhsv(232, 68%, 80%)
CMYKcmyk(68%, 59.1%, 0%, 20.4%)
CIE-LABlab(40.61, 32.37, -64.42)
CIE-LCHlch(40.61, 72.09, 296.67°)
OKLaboklab(50.07% 0.0048 -0.1857)
OKLCHoklch(50.07% 0.186 271.5)
XYZxyz(16.0491, 11.6206, 57.8855)
Luminance0.1162 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4153CB #CBB941
analogous
#4198CB #4153CB #7441CB
triadic
#4153CB #CB4153 #53CB41
tetradic
#4153CB #CB4198 #CBB941 #41CB74
square
#4153CB #CB4198 #CBB941 #41CB74
split-complementary
#4153CB #CB7441 #98CB41
monochromatic
#1F2A72 #2C3CA2 #4153CB #717ED8 #A1AAE5

Accessibility & contrast

On white

6.32
#4153CB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.32
#4153CB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4153CB
6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4153CB#FFFFFF#000000##FFFFFF
##4153CB1.006.323.326.32
#FFFFFF6.321.0021.001.00
#0000003.3221.001.0021.00
##FFFFFF6.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0066CF
Deuteranopia (green-blind)
#005AC9
Tritanopia (blue-blind)
#007187
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #4153cb;
/* rgb */ color: rgb(65, 83, 203);
/* oklch */ color: oklch(50.1% 0.186 271.5);
Tailwind
colors: {
  custom: {
    50: '#8683dc',
    500: '#4153cb',
    950: '#000000',
  },
}
SCSS
$custom: #4153cb;
$custom-light: #8683dc;
$custom-dark: #000000;
JSON
{
  "hex": "#4153cb",
  "rgb": {
    "r": 65,
    "g": 83,
    "b": 203
  },
  "hsl": {
    "h": 232.174,
    "s": 57.025,
    "l": 52.549
  },
  "oklch": {
    "l": 0.50065,
    "c": 0.18574,
    "h": 271.5
  },
  "luminance": 0.11622
}

Semantic roles & 50–950 ramp

primary
#4153CB
secondary
#D2CA96
accent
#CC48E0
background
#F8F8FD
surface
#F0EFFB
border
#CBCAD4
text
#0C0A15
muted
#7D7C83

Preview Lab

Preview with #4153CB

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

Preview Lab → · Contrast checker → · Palette generator →

#4153CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva