#4133AD#4133AD

#4133AD is a dark, vivid blue. Relative luminance 0.065; OKLCH L 42.0% C 0.185 H 280.1°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#4133AD
RGB	rgb(65, 51, 173)
HSL	hsl(247, 54%, 44%)
HSV	hsv(247, 71%, 68%)
CMYK	cmyk(62.4%, 70.5%, 0%, 32.2%)
CIE-LAB	lab(30.66, 41.84, -63.04)
CIE-LCH	lch(30.66, 75.66, 303.57°)
OKLab	oklab(42.02% 0.0323 -0.1818)
OKLCH	oklch(42.02% 0.185 280.1)
XYZ	xyz(10.9042, 6.5078, 40.2086)
Luminance	0.0651 (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

#4133AD #9FAD33

analogous

#3362AD #4133AD #7E33AD

triadic

#4133AD #AD4133 #33AD41

tetradic

#4133AD #AD3362 #9FAD33 #33AD7E

square

#4133AD #AD3362 #9FAD33 #33AD7E

split-complementary

#4133AD #AD7E33 #62AD33

monochromatic

#1D174E #2F257E #4133AD #5F51CC #8B81DA

Accessibility & contrast

On white

9.12

#4133AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#4133AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4133AD

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4133AD	#FFFFFF	#000000	##FFFFFF
##4133AD	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB1

Deuteranopia (green-blind)

#0043AB

Tritanopia (blue-blind)

#00546C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #4133ad;
/* rgb */ color: rgb(65, 51, 173);
/* oklch */ color: oklch(42.0% 0.185 280.1);

Tailwind

colors: {
  custom: {
    50: '#836cc7',
    500: '#4133ad',
    950: '#000000',
  },
}

SCSS

$custom: #4133ad;
$custom-light: #836cc7;
$custom-dark: #000000;

JSON

{
  "hex": "#4133ad",
  "rgb": {
    "r": 65,
    "g": 51,
    "b": 173
  },
  "hsl": {
    "h": 246.885,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.42019,
    "c": 0.18462,
    "h": 280.1
  },
  "luminance": 0.06509
}

Semantic roles & 50–950 ramp

primary

#4133AD

secondary

#BAC379

accent

#DE4ACD

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4133AD

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

Preview Lab → · Contrast checker → · Palette generator →