#4133CA#4133CA

#4133CA is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.9% C 0.220 H 276.9°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#4133CA
RGB	rgb(65, 51, 202)
HSL	hsl(246, 60%, 50%)
HSV	hsv(246, 75%, 79%)
CMYK	cmyk(67.8%, 74.8%, 0%, 20.8%)
CIE-LAB	lab(33.47, 50.97, -75.55)
CIE-LCH	lch(33.47, 91.13, 304.01°)
OKLab	oklab(44.86% 0.0265 -0.2183)
OKLCH	oklch(44.86% 0.22 276.9)
XYZ	xyz(14.0210, 7.7545, 56.6235)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.81

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4133CA #BCCA33

analogous

#3371CA #4133CA #8D33CA

triadic

#4133CA #CA4133 #33CA41

tetradic

#4133CA #CA3371 #BCCA33 #33CA8D

square

#4133CA #CA3371 #BCCA33 #33CA8D

split-complementary

#4133CA #CA8D33 #71CA33

monochromatic

#221A68 #312799 #4133CA #6E63D8 #9B94E4

Accessibility & contrast

On white

8.23

#4133CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#4133CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4133CA

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4133CA	#FFFFFF	#000000	##FFFFFF
##4133CA	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055CE

Deuteranopia (green-blind)

#0048C7

Tritanopia (blue-blind)

#005F7C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4133ca;
/* rgb */ color: rgb(65, 51, 202);
/* oklch */ color: oklch(44.9% 0.220 276.9);

Tailwind

colors: {
  custom: {
    50: '#886ddb',
    500: '#4133ca',
    950: '#000000',
  },
}

SCSS

$custom: #4133ca;
$custom-light: #886ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#4133ca",
  "rgb": {
    "r": 65,
    "g": 51,
    "b": 202
  },
  "hsl": {
    "h": 245.563,
    "s": 59.684,
    "l": 49.608
  },
  "oklch": {
    "l": 0.44859,
    "c": 0.2199,
    "h": 276.9
  },
  "luminance": 0.07756
}

Semantic roles & 50–950 ramp

primary

#4133CA

secondary

#C9CF8A

accent

#E345D4

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #4133CA

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

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