#4133B9#4133B9

#4133B9 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 43.2% C 0.199 H 278.7°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#4133B9
RGB	rgb(65, 51, 185)
HSL	hsl(246, 57%, 46%)
HSV	hsv(246, 72%, 73%)
CMYK	cmyk(64.9%, 72.4%, 0%, 27.5%)
CIE-LAB	lab(31.79, 45.65, -68.32)
CIE-LCH	lch(31.79, 82.17, 303.75°)
OKLab	oklab(43.17% 0.03 -0.1972)
OKLCH	oklch(43.17% 0.199 278.7)
XYZ	xyz(12.1179, 6.9933, 46.6008)
Luminance	0.0699 (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

#4133B9 #ABB933

analogous

#3368B9 #4133B9 #8433B9

triadic

#4133B9 #B94133 #33B941

tetradic

#4133B9 #B93368 #ABB933 #33B984

square

#4133B9 #B93368 #ABB933 #33B984

split-complementary

#4133B9 #B98433 #68B933

monochromatic

#1F1959 #302689 #4133B9 #6558D1 #9188DE

Accessibility & contrast

On white

8.75

#4133B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#4133B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4133B9

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4133B9	#FFFFFF	#000000	##FFFFFF
##4133B9	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BD

Deuteranopia (green-blind)

#0045B7

Tritanopia (blue-blind)

#005873

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4133b9;
/* rgb */ color: rgb(65, 51, 185);
/* oklch */ color: oklch(43.2% 0.199 278.7);

Tailwind

colors: {
  custom: {
    50: '#856dcf',
    500: '#4133b9',
    950: '#000000',
  },
}

SCSS

$custom: #4133b9;
$custom-light: #856dcf;
$custom-dark: #000000;

JSON

{
  "hex": "#4133b9",
  "rgb": {
    "r": 65,
    "g": 51,
    "b": 185
  },
  "hsl": {
    "h": 246.269,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.4317,
    "c": 0.19949,
    "h": 278.7
  },
  "luminance": 0.06994
}

Semantic roles & 50–950 ramp

primary

#4133B9

secondary

#C1C880

accent

#E048D0

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4133B9

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

Preview Lab → · Contrast checker → · Palette generator →