#4153AB#4153AB

#4153AB is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.6% C 0.142 H 271.4°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX#4153AB
RGBrgb(65, 83, 171)
HSLhsl(230, 45%, 46%)
HSVhsv(230, 62%, 67%)
CMYKcmyk(62%, 51.5%, 0%, 32.9%)
CIE-LABlab(38.29, 21.10, -49.44)
CIE-LCHlch(38.29, 53.76, 293.11°)
OKLaboklab(47.59% 0.0034 -0.1416)
OKLCHoklch(47.59% 0.142 271.4)
XYZxyz(12.6215, 10.2496, 39.8334)
Luminance0.1025 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4153AB #AB9941
analogous
#4188AB #4153AB #6441AB
triadic
#4153AB #AB4153 #53AB41
tetradic
#4153AB #AB4188 #AB9941 #41AB64
square
#4153AB #AB4188 #AB9941 #41AB64
split-complementary
#4153AB #AB6441 #88AB41
monochromatic
#1F2852 #303D7F #4153AB #6575C4 #919DD5

Accessibility & contrast

On white

6.88
#4153AB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.05
#4153AB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4153AB
6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4153AB#FFFFFF#000000##FFFFFF
##4153AB1.006.883.056.88
#FFFFFF6.881.0021.001.00
#0000003.0521.001.0021.00
##FFFFFF6.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#225FAE
Deuteranopia (green-blind)
#0356A9
Tritanopia (blue-blind)
#006777
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #4153ab;
/* rgb */ color: rgb(65, 83, 171);
/* oklch */ color: oklch(47.6% 0.142 271.4);
Tailwind
colors: {
  custom: {
    50: '#8083c5',
    500: '#4153ab',
    950: '#000000',
  },
}
SCSS
$custom: #4153ab;
$custom-light: #8083c5;
$custom-dark: #000000;
JSON
{
  "hex": "#4153ab",
  "rgb": {
    "r": 65,
    "g": 83,
    "b": 171
  },
  "hsl": {
    "h": 229.811,
    "s": 44.915,
    "l": 46.275
  },
  "oklch": {
    "l": 0.47593,
    "c": 0.14166,
    "h": 271.4
  },
  "luminance": 0.10251
}

Semantic roles & 50–950 ramp

primary
#4153AB
secondary
#C1B787
accent
#BF53D5
background
#F8F7FC
surface
#EFEEF8
border
#CAC9D1
text
#0B0A13
muted
#7C7C82

Preview Lab

Preview with #4153AB

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

Preview Lab → · Contrast checker → · Palette generator →

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