#4133BA#4133BA

#4133BA is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.3% C 0.201 H 278.5°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#4133BA
RGB	rgb(65, 51, 186)
HSL	hsl(246, 57%, 46%)
HSV	hsv(246, 73%, 73%)
CMYK	cmyk(65.1%, 72.6%, 0%, 27.1%)
CIE-LAB	lab(31.89, 45.97, -68.76)
CIE-LCH	lch(31.89, 82.71, 303.77°)
OKLab	oklab(43.27% 0.0298 -0.1985)
OKLCH	oklch(43.27% 0.201 278.5)
XYZ	xyz(12.2239, 7.0356, 47.1587)
Luminance	0.0704 (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

#4133BA #ACBA33

analogous

#3369BA #4133BA #8533BA

triadic

#4133BA #BA4133 #33BA41

tetradic

#4133BA #BA3369 #ACBA33 #33BA85

square

#4133BA #BA3369 #ACBA33 #33BA85

split-complementary

#4133BA #BA8533 #69BA33

monochromatic

#1F195A #30268A #4133BA #6559D1 #9289DF

Accessibility & contrast

On white

8.72

#4133BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#4133BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4133BA

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4133BA	#FFFFFF	#000000	##FFFFFF
##4133BA	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BE

Deuteranopia (green-blind)

#0045B8

Tritanopia (blue-blind)

#005973

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4133ba;
/* rgb */ color: rgb(65, 51, 186);
/* oklch */ color: oklch(43.3% 0.201 278.5);

Tailwind

colors: {
  custom: {
    50: '#856dd0',
    500: '#4133ba',
    950: '#000000',
  },
}

SCSS

$custom: #4133ba;
$custom-light: #856dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4133ba",
  "rgb": {
    "r": 65,
    "g": 51,
    "b": 186
  },
  "hsl": {
    "h": 246.222,
    "s": 56.962,
    "l": 46.471
  },
  "oklch": {
    "l": 0.43268,
    "c": 0.20072,
    "h": 278.5
  },
  "luminance": 0.07037
}

Semantic roles & 50–950 ramp

primary

#4133BA

secondary

#C1C980

accent

#E048D0

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4133BA

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

Preview Lab → · Contrast checker → · Palette generator →