#4137BE#4137BE

#4137BE is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.2% C 0.201 H 277.5°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#4137BE
RGB	rgb(65, 55, 190)
HSL	hsl(244, 55%, 48%)
HSV	hsv(244, 71%, 75%)
CMYK	cmyk(65.8%, 71.1%, 0%, 25.5%)
CIE-LAB	lab(33.08, 45.00, -69.16)
CIE-LCH	lch(33.08, 82.51, 303.05°)
OKLab	oklab(44.23% 0.0265 -0.1997)
OKLCH	oklch(44.23% 0.201 277.5)
XYZ	xyz(12.8374, 7.5728, 49.4904)
Luminance	0.0757 (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

#4137BE #B4BE37

analogous

#3771BE #4137BE #8437BE

triadic

#4137BE #BE4137 #37BE41

tetradic

#4137BE #BE3771 #B4BE37 #37BE84

square

#4137BE #BE3771 #B4BE37 #37BE84

split-complementary

#4137BE #BE8437 #71BE37

monochromatic

#211C5F #31298F #4137BE #6961D1 #9690DF

Accessibility & contrast

On white

8.35

#4137BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#4137BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4137BE

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4137BE	#FFFFFF	#000000	##FFFFFF
##4137BE	1.00	8.35	2.51	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C2

Deuteranopia (green-blind)

#0048BC

Tritanopia (blue-blind)

#005C77

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4137be;
/* rgb */ color: rgb(65, 55, 190);
/* oklch */ color: oklch(44.2% 0.201 277.5);

Tailwind

colors: {
  custom: {
    50: '#866fd3',
    500: '#4137be',
    950: '#000000',
  },
}

SCSS

$custom: #4137be;
$custom-light: #866fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4137be",
  "rgb": {
    "r": 65,
    "g": 55,
    "b": 190
  },
  "hsl": {
    "h": 244.444,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.44231,
    "c": 0.20143,
    "h": 277.5
  },
  "luminance": 0.07574
}

Semantic roles & 50–950 ramp

primary

#4137BE

secondary

#C5CA87

accent

#DE49D3

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #4137BE

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

Preview Lab → · Contrast checker → · Palette generator →