#4131AB#4131AB

#4131AB is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.5% C 0.184 H 280.7°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#4131AB
RGB	rgb(65, 49, 171)
HSL	hsl(248, 55%, 43%)
HSV	hsv(248, 71%, 67%)
CMYK	cmyk(62%, 71.3%, 0%, 32.9%)
CIE-LAB	lab(30.06, 42.34, -62.83)
CIE-LCH	lch(30.06, 75.77, 303.98°)
OKLab	oklab(41.53% 0.0341 -0.1811)
OKLCH	oklch(41.53% 0.184 280.7)
XYZ	xyz(10.6267, 6.2599, 39.1685)
Luminance	0.0626 (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

#4131AB #9BAB31

analogous

#315EAB #4131AB #7E31AB

triadic

#4131AB #AB4131 #31AB41

tetradic

#4131AB #AB315E #9BAB31 #31AB7E

square

#4131AB #AB315E #9BAB31 #31AB7E

split-complementary

#4131AB #AB7E31 #5EAB31

monochromatic

#1D164C #2F237B #4131AB #5E4DCC #897DDA

Accessibility & contrast

On white

9.32

#4131AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#4131AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4131AB

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4131AB	#FFFFFF	#000000	##FFFFFF
##4131AB	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BAF

Deuteranopia (green-blind)

#0042A9

Tritanopia (blue-blind)

#00526A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #4131ab;
/* rgb */ color: rgb(65, 49, 171);
/* oklch */ color: oklch(41.5% 0.184 280.7);

Tailwind

colors: {
  custom: {
    50: '#826bc5',
    500: '#4131ab',
    950: '#000000',
  },
}

SCSS

$custom: #4131ab;
$custom-light: #826bc5;
$custom-dark: #000000;

JSON

{
  "hex": "#4131ab",
  "rgb": {
    "r": 65,
    "g": 49,
    "b": 171
  },
  "hsl": {
    "h": 247.869,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.41533,
    "c": 0.18434,
    "h": 280.7
  },
  "luminance": 0.06261
}

Semantic roles & 50–950 ramp

primary

#4131AB

secondary

#B8C275

accent

#DF49CB

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4131AB

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

Preview Lab → · Contrast checker → · Palette generator →