#4137AD#4137AD

#4137AD is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.6% C 0.180 H 279.3°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX#4137AD
RGBrgb(65, 55, 173)
HSLhsl(245, 52%, 45%)
HSVhsv(245, 68%, 68%)
CMYKcmyk(62.4%, 68.2%, 0%, 32.2%)
CIE-LABlab(31.51, 39.49, -61.64)
CIE-LCHlch(31.51, 73.21, 302.65°)
OKLaboklab(42.63% 0.0291 -0.1777)
OKLCHoklch(42.63% 0.18 279.3)
XYZxyz(11.0866, 6.8725, 40.2694)
Luminance0.0687 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4137AD #A3AD37
analogous
#3768AD #4137AD #7C37AD
triadic
#4137AD #AD4137 #37AD41
tetradic
#4137AD #AD3768 #A3AD37 #37AD7C
square
#4137AD #AD3768 #A3AD37 #37AD7C
split-complementary
#4137AD #AD7C37 #68AD37
monochromatic
#1E1950 #30287F #4137AD #6157CA #8D86D8

Accessibility & contrast

On white

8.84
#4137AD on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.37
#4137AD on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4137AD
8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4137AD#FFFFFF#000000##FFFFFF
##4137AD1.008.842.378.84
#FFFFFF8.841.0021.001.00
#0000002.3721.001.0021.00
##FFFFFF8.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004FB1
Deuteranopia (green-blind)
#0045AB
Tritanopia (blue-blind)
#00566D
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #4137ad;
/* rgb */ color: rgb(65, 55, 173);
/* oklch */ color: oklch(42.6% 0.180 279.3);
Tailwind
colors: {
  custom: {
    50: '#826fc6',
    500: '#4137ad',
    950: '#000000',
  },
}
SCSS
$custom: #4137ad;
$custom-light: #826fc6;
$custom-dark: #000000;
JSON
{
  "hex": "#4137ad",
  "rgb": {
    "r": 65,
    "g": 55,
    "b": 173
  },
  "hsl": {
    "h": 245.085,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.42633,
    "c": 0.18005,
    "h": 279.3
  },
  "luminance": 0.06873
}

Semantic roles & 50–950 ramp

primary
#4137AD
secondary
#BDC27D
accent
#DB4DCF
background
#F8F6FC
surface
#F0ECF8
border
#CBC7D1
text
#0C0713
muted
#7D7A82

Preview Lab

Preview with #4137AD

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

Preview Lab → · Contrast checker → · Palette generator →

#4137AD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva