#4131B5#4131B5

#4131B5 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.5% C 0.197 H 279.4°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#4131B5
RGB	rgb(65, 49, 181)
HSL	hsl(247, 57%, 45%)
HSV	hsv(247, 73%, 71%)
CMYK	cmyk(64.1%, 72.9%, 0%, 29%)
CIE-LAB	lab(31.01, 45.50, -67.24)
CIE-LCH	lch(31.01, 81.18, 304.09°)
OKLab	oklab(42.5% 0.0322 -0.194)
OKLCH	oklch(42.5% 0.197 279.4)
XYZ	xyz(11.6161, 6.6557, 44.3796)
Luminance	0.0666 (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

#4131B5 #A5B531

analogous

#3163B5 #4131B5 #8331B5

triadic

#4131B5 #B54131 #31B541

tetradic

#4131B5 #B53163 #A5B531 #31B583

square

#4131B5 #B53163 #A5B531 #31B583

split-complementary

#4131B5 #B58331 #63B531

monochromatic

#1E1755 #302485 #4131B5 #6253D0 #8E83DD

Accessibility & contrast

On white

9.01

#4131B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#4131B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4131B5

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4131B5	#FFFFFF	#000000	##FFFFFF
##4131B5	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB9

Deuteranopia (green-blind)

#0044B3

Tritanopia (blue-blind)

#005670

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4131b5;
/* rgb */ color: rgb(65, 49, 181);
/* oklch */ color: oklch(42.5% 0.197 279.4);

Tailwind

colors: {
  custom: {
    50: '#846bcc',
    500: '#4131b5',
    950: '#000000',
  },
}

SCSS

$custom: #4131b5;
$custom-light: #846bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#4131b5",
  "rgb": {
    "r": 65,
    "g": 49,
    "b": 181
  },
  "hsl": {
    "h": 247.273,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.42498,
    "c": 0.19669,
    "h": 279.4
  },
  "luminance": 0.06657
}

Semantic roles & 50–950 ramp

primary

#4131B5

secondary

#BEC77B

accent

#E147CE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4131B5

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

Preview Lab → · Contrast checker → · Palette generator →