#4033AF#4033AF

#4033AF is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.1% C 0.187 H 279.4°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#4033AF
RGB	rgb(64, 51, 175)
HSL	hsl(246, 55%, 44%)
HSV	hsv(246, 71%, 69%)
CMYK	cmyk(63.4%, 70.9%, 0%, 31.4%)
CIE-LAB	lab(30.76, 42.34, -64.07)
CIE-LCH	lch(30.76, 76.79, 303.46°)
OKLab	oklab(42.13% 0.0306 -0.1848)
OKLCH	oklch(42.13% 0.187 279.4)
XYZ	xyz(11.0336, 6.5519, 41.2323)
Luminance	0.0655 (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

#4033AF #A2AF33

analogous

#3364AF #4033AF #7E33AF

triadic

#4033AF #AF4033 #33AF40

tetradic

#4033AF #AF3364 #A2AF33 #33AF7E

square

#4033AF #AF3364 #A2AF33 #33AF7E

split-complementary

#4033AF #AF7E33 #64AF33

monochromatic

#1D1750 #2F2580 #4033AF #5F52CD #8B82DB

Accessibility & contrast

On white

9.09

#4033AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#4033AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4033AF

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4033AF	#FFFFFF	#000000	##FFFFFF
##4033AF	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB3

Deuteranopia (green-blind)

#0043AD

Tritanopia (blue-blind)

#00556D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #4033af;
/* rgb */ color: rgb(64, 51, 175);
/* oklch */ color: oklch(42.1% 0.187 279.4);

Tailwind

colors: {
  custom: {
    50: '#826cc8',
    500: '#4033af',
    950: '#000000',
  },
}

SCSS

$custom: #4033af;
$custom-light: #826cc8;
$custom-dark: #000000;

JSON

{
  "hex": "#4033af",
  "rgb": {
    "r": 64,
    "g": 51,
    "b": 175
  },
  "hsl": {
    "h": 246.29,
    "s": 54.867,
    "l": 44.314
  },
  "oklch": {
    "l": 0.4213,
    "c": 0.18732,
    "h": 279.4
  },
  "luminance": 0.06553
}

Semantic roles & 50–950 ramp

primary

#4033AF

secondary

#BCC47A

accent

#DE4ACF

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4033AF

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

Preview Lab → · Contrast checker → · Palette generator →