#4139CA#4139CA

#4139CA is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.7% C 0.214 H 276.2°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#4139CA
RGB	rgb(65, 57, 202)
HSL	hsl(243, 58%, 51%)
HSV	hsv(243, 72%, 79%)
CMYK	cmyk(67.8%, 71.8%, 0%, 20.8%)
CIE-LAB	lab(34.63, 47.71, -73.63)
CIE-LCH	lch(34.63, 87.74, 302.94°)
OKLab	oklab(45.68% 0.0231 -0.2128)
OKLCH	oklch(45.68% 0.214 276.2)
XYZ	xyz(14.3003, 8.3131, 56.7166)
Luminance	0.0831 (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

#4139CA #C2CA39

analogous

#3979CA #4139CA #8939CA

triadic

#4139CA #CA4139 #39CA41

tetradic

#4139CA #CA3979 #C2CA39 #39CA89

square

#4139CA #CA3979 #C2CA39 #39CA89

split-complementary

#4139CA #CA8939 #79CA39

monochromatic

#211D6C #302A9C #4139CA #6F69D7 #9E9AE4

Accessibility & contrast

On white

7.89

#4139CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#4139CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4139CA

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4139CA	#FFFFFF	#000000	##FFFFFF
##4139CA	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CE

Deuteranopia (green-blind)

#004BC7

Tritanopia (blue-blind)

#00627E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4139ca;
/* rgb */ color: rgb(65, 57, 202);
/* oklch */ color: oklch(45.7% 0.214 276.2);

Tailwind

colors: {
  custom: {
    50: '#8871db',
    500: '#4139ca',
    950: '#000000',
  },
}

SCSS

$custom: #4139ca;
$custom-light: #8871db;
$custom-dark: #000000;

JSON

{
  "hex": "#4139ca",
  "rgb": {
    "r": 65,
    "g": 57,
    "b": 202
  },
  "hsl": {
    "h": 243.31,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.45682,
    "c": 0.21401,
    "h": 276.2
  },
  "luminance": 0.08314
}

Semantic roles & 50–950 ramp

primary

#4139CA

secondary

#CCD08F

accent

#E147D8

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4139CA

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

Preview Lab → · Contrast checker → · Palette generator →