#4133BF#4133BF

#4133BF is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.8% C 0.207 H 278.0°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#4133BF
RGB	rgb(65, 51, 191)
HSL	hsl(246, 58%, 47%)
HSV	hsv(246, 73%, 75%)
CMYK	cmyk(66%, 73.3%, 0%, 25.1%)
CIE-LAB	lab(32.37, 47.54, -70.90)
CIE-LCH	lch(32.37, 85.37, 303.84°)
OKLab	oklab(43.76% 0.0288 -0.2048)
OKLCH	oklch(43.76% 0.207 278)
XYZ	xyz(12.7647, 7.2520, 50.0072)
Luminance	0.0725 (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

#4133BF #B1BF33

analogous

#336BBF #4133BF #8733BF

triadic

#4133BF #BF4133 #33BF41

tetradic

#4133BF #BF336B #B1BF33 #33BF87

square

#4133BF #BF336B #B1BF33 #33BF87

split-complementary

#4133BF #BF8733 #6BBF33

monochromatic

#20195E #31268F #4133BF #685CD3 #958CE0

Accessibility & contrast

On white

8.57

#4133BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#4133BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4133BF

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4133BF	#FFFFFF	#000000	##FFFFFF
##4133BF	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C3

Deuteranopia (green-blind)

#0046BC

Tritanopia (blue-blind)

#005B76

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4133bf;
/* rgb */ color: rgb(65, 51, 191);
/* oklch */ color: oklch(43.8% 0.207 278.0);

Tailwind

colors: {
  custom: {
    50: '#866dd4',
    500: '#4133bf',
    950: '#000000',
  },
}

SCSS

$custom: #4133bf;
$custom-light: #866dd4;
$custom-dark: #000000;

JSON

{
  "hex": "#4133bf",
  "rgb": {
    "r": 65,
    "g": 51,
    "b": 191
  },
  "hsl": {
    "h": 246,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.43759,
    "c": 0.20678,
    "h": 278
  },
  "luminance": 0.07253
}

Semantic roles & 50–950 ramp

primary

#4133BF

secondary

#C3CB83

accent

#E147D2

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #4133BF

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

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