#4139C3#4139C3

#4139C3 is a mid, highly saturated blue. Relative luminance 0.080; OKLCH L 45.0% C 0.205 H 276.8°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#4139C3
RGB	rgb(65, 57, 195)
HSL	hsl(243, 55%, 49%)
HSV	hsv(243, 71%, 76%)
CMYK	cmyk(66.7%, 70.8%, 0%, 23.5%)
CIE-LAB	lab(33.96, 45.47, -70.64)
CIE-LCH	lch(33.96, 84.01, 302.77°)
OKLab	oklab(45.01% 0.0243 -0.204)
OKLCH	oklch(45.01% 0.205 276.8)
XYZ	xyz(13.4902, 7.9890, 52.4503)
Luminance	0.0799 (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

#4139C3 #BBC339

analogous

#3976C3 #4139C3 #8639C3

triadic

#4139C3 #C34139 #39C341

tetradic

#4139C3 #C33976 #BBC339 #39C386

square

#4139C3 #C33976 #BBC339 #39C386

split-complementary

#4139C3 #C38639 #76C339

monochromatic

#211D64 #312B94 #4139C3 #6D67D2 #9A96E0

Accessibility & contrast

On white

8.08

#4139C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#4139C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4139C3

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4139C3	#FFFFFF	#000000	##FFFFFF
##4139C3	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C7

Deuteranopia (green-blind)

#004AC0

Tritanopia (blue-blind)

#005F7A

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4139c3;
/* rgb */ color: rgb(65, 57, 195);
/* oklch */ color: oklch(45.0% 0.205 276.8);

Tailwind

colors: {
  custom: {
    50: '#8671d6',
    500: '#4139c3',
    950: '#000000',
  },
}

SCSS

$custom: #4139c3;
$custom-light: #8671d6;
$custom-dark: #000000;

JSON

{
  "hex": "#4139c3",
  "rgb": {
    "r": 65,
    "g": 57,
    "b": 195
  },
  "hsl": {
    "h": 243.478,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.45005,
    "c": 0.20547,
    "h": 276.8
  },
  "luminance": 0.0799
}

Semantic roles & 50–950 ramp

primary

#4139C3

secondary

#C8CC8C

accent

#DE4AD6

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #4139C3

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

Preview Lab → · Contrast checker → · Palette generator →