#4137AF#4137AF

#4137AF is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.8% C 0.183 H 279.1°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#4137AF
RGB	rgb(65, 55, 175)
HSL	hsl(245, 52%, 45%)
HSV	hsv(245, 69%, 69%)
CMYK	cmyk(62.9%, 68.6%, 0%, 31.4%)
CIE-LAB	lab(31.69, 40.15, -62.54)
CIE-LCH	lch(31.69, 74.32, 302.70°)
OKLab	oklab(42.82% 0.0289 -0.1803)
OKLCH	oklch(42.82% 0.183 279.1)
XYZ	xyz(11.2816, 6.9505, 41.2962)
Luminance	0.0695 (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

#4137AF #A5AF37

analogous

#3769AF #4137AF #7D37AF

triadic

#4137AF #AF4137 #37AF41

tetradic

#4137AF #AF3769 #A5AF37 #37AF7D

square

#4137AF #AF3769 #A5AF37 #37AF7D

split-complementary

#4137AF #AF7D37 #69AF37

monochromatic

#1E1A52 #302880 #4137AF #6259CB #8E87D9

Accessibility & contrast

On white

8.79

#4137AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#4137AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4137AF

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4137AF	#FFFFFF	#000000	##FFFFFF
##4137AF	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB3

Deuteranopia (green-blind)

#0046AD

Tritanopia (blue-blind)

#00576E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4137af;
/* rgb */ color: rgb(65, 55, 175);
/* oklch */ color: oklch(42.8% 0.183 279.1);

Tailwind

colors: {
  custom: {
    50: '#836fc8',
    500: '#4137af',
    950: '#000000',
  },
}

SCSS

$custom: #4137af;
$custom-light: #836fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#4137af",
  "rgb": {
    "r": 65,
    "g": 55,
    "b": 175
  },
  "hsl": {
    "h": 245,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.42817,
    "c": 0.18261,
    "h": 279.1
  },
  "luminance": 0.06951
}

Semantic roles & 50–950 ramp

primary

#4137AF

secondary

#BEC37F

accent

#DC4CD0

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4137AF

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

Preview Lab → · Contrast checker → · Palette generator →