#4133AA#4133AA

#4133AA is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.7% C 0.181 H 280.4°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#4133AA
RGB	rgb(65, 51, 170)
HSL	hsl(247, 54%, 43%)
HSV	hsv(247, 70%, 67%)
CMYK	cmyk(61.8%, 70%, 0%, 33.3%)
CIE-LAB	lab(30.38, 40.88, -61.70)
CIE-LCH	lch(30.38, 74.01, 303.53°)
OKLab	oklab(41.74% 0.0328 -0.1778)
OKLCH	oklch(41.74% 0.181 280.4)
XYZ	xyz(10.6172, 6.3930, 38.6969)
Luminance	0.0639 (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

#4133AA #9CAA33

analogous

#3360AA #4133AA #7C33AA

triadic

#4133AA #AA4133 #33AA41

tetradic

#4133AA #AA3360 #9CAA33 #33AA7C

square

#4133AA #AA3360 #9CAA33 #33AA7C

split-complementary

#4133AA #AA7C33 #60AA33

monochromatic

#1D174C #2F257B #4133AA #5E50CA #897FD9

Accessibility & contrast

On white

9.22

#4133AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#4133AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4133AA

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4133AA	#FFFFFF	#000000	##FFFFFF
##4133AA	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAE

Deuteranopia (green-blind)

#0043A8

Tritanopia (blue-blind)

#00536A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #4133aa;
/* rgb */ color: rgb(65, 51, 170);
/* oklch */ color: oklch(41.7% 0.181 280.4);

Tailwind

colors: {
  custom: {
    50: '#826cc4',
    500: '#4133aa',
    950: '#000000',
  },
}

SCSS

$custom: #4133aa;
$custom-light: #826cc4;
$custom-dark: #000000;

JSON

{
  "hex": "#4133aa",
  "rgb": {
    "r": 65,
    "g": 51,
    "b": 170
  },
  "hsl": {
    "h": 247.059,
    "s": 53.846,
    "l": 43.333
  },
  "oklch": {
    "l": 0.41736,
    "c": 0.18084,
    "h": 280.4
  },
  "luminance": 0.06394
}

Semantic roles & 50–950 ramp

primary

#4133AA

secondary

#B9C277

accent

#DD4BCC

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4133AA

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

Preview Lab → · Contrast checker → · Palette generator →