#4133BE#4133BE

#4133BE is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.7% C 0.206 H 278.1°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#4133BE
RGB	rgb(65, 51, 190)
HSL	hsl(246, 58%, 47%)
HSV	hsv(246, 73%, 75%)
CMYK	cmyk(65.8%, 73.2%, 0%, 25.5%)
CIE-LAB	lab(32.28, 47.23, -70.48)
CIE-LCH	lch(32.28, 84.84, 303.83°)
OKLab	oklab(43.66% 0.029 -0.2035)
OKLCH	oklch(43.66% 0.206 278.1)
XYZ	xyz(12.6551, 7.2081, 49.4296)
Luminance	0.0721 (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

#4133BE #B0BE33

analogous

#336BBE #4133BE #8633BE

triadic

#4133BE #BE4133 #33BE41

tetradic

#4133BE #BE336B #B0BE33 #33BE86

square

#4133BE #BE336B #B0BE33 #33BE86

split-complementary

#4133BE #BE8633 #6BBE33

monochromatic

#20195E #30268E #4133BE #675BD3 #948BE0

Accessibility & contrast

On white

8.60

#4133BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#4133BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4133BE

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4133BE	#FFFFFF	#000000	##FFFFFF
##4133BE	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C2

Deuteranopia (green-blind)

#0046BB

Tritanopia (blue-blind)

#005A76

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4133be;
/* rgb */ color: rgb(65, 51, 190);
/* oklch */ color: oklch(43.7% 0.206 278.1);

Tailwind

colors: {
  custom: {
    50: '#866dd3',
    500: '#4133be',
    950: '#000000',
  },
}

SCSS

$custom: #4133be;
$custom-light: #866dd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4133be",
  "rgb": {
    "r": 65,
    "g": 51,
    "b": 190
  },
  "hsl": {
    "h": 246.043,
    "s": 57.676,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43661,
    "c": 0.20558,
    "h": 278.1
  },
  "luminance": 0.07209
}

Semantic roles & 50–950 ramp

primary

#4133BE

secondary

#C3CA83

accent

#E147D1

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #4133BE

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

Preview Lab → · Contrast checker → · Palette generator →