#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
RGB	rgb(65, 55, 173)
HSL	hsl(245, 52%, 45%)
HSV	hsv(245, 68%, 68%)
CMYK	cmyk(62.4%, 68.2%, 0%, 32.2%)
CIE-LAB	lab(31.51, 39.49, -61.64)
CIE-LCH	lch(31.51, 73.21, 302.65°)
OKLab	oklab(42.63% 0.0291 -0.1777)
OKLCH	oklch(42.63% 0.18 279.3)
XYZ	xyz(11.0866, 6.8725, 40.2694)
Luminance	0.0687 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

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
##4137AD	1.00	8.84	2.37	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

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 →