#4133AC#4133AC

#4133AC is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.9% C 0.183 H 280.2°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#4133AC
RGB	rgb(65, 51, 172)
HSL	hsl(247, 54%, 44%)
HSV	hsv(247, 70%, 67%)
CMYK	cmyk(62.2%, 70.3%, 0%, 32.5%)
CIE-LAB	lab(30.57, 41.52, -62.59)
CIE-LCH	lch(30.57, 75.11, 303.55°)
OKLab	oklab(41.92% 0.0324 -0.1805)
OKLCH	oklch(41.92% 0.183 280.2)
XYZ	xyz(10.8078, 6.4692, 39.7009)
Luminance	0.0647 (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

#4133AC #9EAC33

analogous

#3361AC #4133AC #7D33AC

triadic

#4133AC #AC4133 #33AC41

tetradic

#4133AC #AC3361 #9EAC33 #33AC7D

square

#4133AC #AC3361 #9EAC33 #33AC7D

split-complementary

#4133AC #AC7D33 #61AC33

monochromatic

#1D174E #2F257D #4133AC #5F51CB #8A80D9

Accessibility & contrast

On white

9.15

#4133AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#4133AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4133AC

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4133AC	#FFFFFF	#000000	##FFFFFF
##4133AC	1.00	9.15	2.29	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB0

Deuteranopia (green-blind)

#0043AA

Tritanopia (blue-blind)

#00536C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #4133ac;
/* rgb */ color: rgb(65, 51, 172);
/* oklch */ color: oklch(41.9% 0.183 280.2);

Tailwind

colors: {
  custom: {
    50: '#826cc6',
    500: '#4133ac',
    950: '#000000',
  },
}

SCSS

$custom: #4133ac;
$custom-light: #826cc6;
$custom-dark: #000000;

JSON

{
  "hex": "#4133ac",
  "rgb": {
    "r": 65,
    "g": 51,
    "b": 172
  },
  "hsl": {
    "h": 246.942,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41924,
    "c": 0.18336,
    "h": 280.2
  },
  "luminance": 0.0647
}

Semantic roles & 50–950 ramp

primary

#4133AC

secondary

#BAC278

accent

#DE4ACD

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4133AC

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

Preview Lab → · Contrast checker → · Palette generator →