#4137AE#4137AE

#4137AE is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.7% C 0.181 H 279.2°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#4137AE
RGB	rgb(65, 55, 174)
HSL	hsl(245, 52%, 45%)
HSV	hsv(245, 68%, 68%)
CMYK	cmyk(62.6%, 68.4%, 0%, 31.8%)
CIE-LAB	lab(31.60, 39.82, -62.09)
CIE-LCH	lch(31.60, 73.76, 302.67°)
OKLab	oklab(42.73% 0.029 -0.179)
OKLCH	oklch(42.73% 0.181 279.2)
XYZ	xyz(11.1837, 6.9113, 40.7809)
Luminance	0.0691 (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

#4137AE #A4AE37

analogous

#3769AE #4137AE #7D37AE

triadic

#4137AE #AE4137 #37AE41

tetradic

#4137AE #AE3769 #A4AE37 #37AE7D

square

#4137AE #AE3769 #A4AE37 #37AE7D

split-complementary

#4137AE #AE7D37 #69AE37

monochromatic

#1E1A51 #30287F #4137AE #6258CA #8D86D9

Accessibility & contrast

On white

8.81

#4137AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#4137AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4137AE

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4137AE	#FFFFFF	#000000	##FFFFFF
##4137AE	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB2

Deuteranopia (green-blind)

#0046AC

Tritanopia (blue-blind)

#00566E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4137ae;
/* rgb */ color: rgb(65, 55, 174);
/* oklch */ color: oklch(42.7% 0.181 279.2);

Tailwind

colors: {
  custom: {
    50: '#826fc7',
    500: '#4137ae',
    950: '#000000',
  },
}

SCSS

$custom: #4137ae;
$custom-light: #826fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#4137ae",
  "rgb": {
    "r": 65,
    "g": 55,
    "b": 174
  },
  "hsl": {
    "h": 245.042,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.42725,
    "c": 0.18133,
    "h": 279.2
  },
  "luminance": 0.06912
}

Semantic roles & 50–950 ramp

primary

#4137AE

secondary

#BDC37E

accent

#DB4CCF

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4137AE

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

Preview Lab → · Contrast checker → · Palette generator →