#4137BD#4137BD

#4137BD is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.1% C 0.200 H 277.6°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#4137BD
RGB	rgb(65, 55, 189)
HSL	hsl(244, 55%, 48%)
HSV	hsv(244, 71%, 74%)
CMYK	cmyk(65.6%, 70.9%, 0%, 25.9%)
CIE-LAB	lab(32.98, 44.68, -68.73)
CIE-LCH	lch(32.98, 81.97, 303.03°)
OKLab	oklab(44.14% 0.0266 -0.1984)
OKLCH	oklch(44.14% 0.2 277.6)
XYZ	xyz(12.7285, 7.5292, 48.9168)
Luminance	0.0753 (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

#4137BD #B3BD37

analogous

#3770BD #4137BD #8437BD

triadic

#4137BD #BD4137 #37BD41

tetradic

#4137BD #BD3770 #B3BD37 #37BD84

square

#4137BD #BD3770 #B3BD37 #37BD84

split-complementary

#4137BD #BD8437 #70BD37

monochromatic

#201B5E #31298E #4137BD #6960D1 #9690DF

Accessibility & contrast

On white

8.38

#4137BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#4137BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4137BD

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4137BD	#FFFFFF	#000000	##FFFFFF
##4137BD	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C1

Deuteranopia (green-blind)

#0048BB

Tritanopia (blue-blind)

#005C76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4137bd;
/* rgb */ color: rgb(65, 55, 189);
/* oklch */ color: oklch(44.1% 0.200 277.6);

Tailwind

colors: {
  custom: {
    50: '#856fd2',
    500: '#4137bd',
    950: '#000000',
  },
}

SCSS

$custom: #4137bd;
$custom-light: #856fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#4137bd",
  "rgb": {
    "r": 65,
    "g": 55,
    "b": 189
  },
  "hsl": {
    "h": 244.478,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.44135,
    "c": 0.2002,
    "h": 277.6
  },
  "luminance": 0.0753
}

Semantic roles & 50–950 ramp

primary

#4137BD

secondary

#C4C986

accent

#DE4AD3

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #4137BD

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

Preview Lab → · Contrast checker → · Palette generator →