#4033CA#4033CA

#4033CA is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.8% C 0.220 H 276.6°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#4033CA
RGB	rgb(64, 51, 202)
HSL	hsl(245, 60%, 50%)
HSV	hsv(245, 75%, 79%)
CMYK	cmyk(68.3%, 74.8%, 0%, 20.8%)
CIE-LAB	lab(33.39, 50.87, -75.67)
CIE-LCH	lch(33.39, 91.18, 303.91°)
OKLab	oklab(44.79% 0.0252 -0.2187)
OKLCH	oklch(44.79% 0.22 276.6)
XYZ	xyz(13.9554, 7.7206, 56.6205)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.90

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4033CA #BDCA33

analogous

#3371CA #4033CA #8C33CA

triadic

#4033CA #CA4033 #33CA40

tetradic

#4033CA #CA3371 #BDCA33 #33CA8C

square

#4033CA #CA3371 #BDCA33 #33CA8C

split-complementary

#4033CA #CA8C33 #71CA33

monochromatic

#211A68 #312799 #4033CA #6D63D8 #9A94E4

Accessibility & contrast

On white

8.25

#4033CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#4033CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4033CA

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4033CA	#FFFFFF	#000000	##FFFFFF
##4033CA	1.00	8.25	2.54	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.25	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: #4033ca;
/* rgb */ color: rgb(64, 51, 202);
/* oklch */ color: oklch(44.8% 0.220 276.6);

Tailwind

colors: {
  custom: {
    50: '#886ddb',
    500: '#4033ca',
    950: '#000000',
  },
}

SCSS

$custom: #4033ca;
$custom-light: #886ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#4033ca",
  "rgb": {
    "r": 64,
    "g": 51,
    "b": 202
  },
  "hsl": {
    "h": 245.166,
    "s": 59.684,
    "l": 49.608
  },
  "oklch": {
    "l": 0.4479,
    "c": 0.22013,
    "h": 276.6
  },
  "luminance": 0.07722
}

Semantic roles & 50–950 ramp

primary

#4033CA

secondary

#C9CF8A

accent

#E345D5

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #4033CA

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

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