#4133B3#4133B3

#4133B3 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.6% C 0.192 H 279.3°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#4133B3
RGB	rgb(65, 51, 179)
HSL	hsl(247, 56%, 45%)
HSV	hsv(247, 72%, 70%)
CMYK	cmyk(63.7%, 71.5%, 0%, 29.8%)
CIE-LAB	lab(31.22, 43.75, -65.70)
CIE-LCH	lch(31.22, 78.94, 303.66°)
OKLab	oklab(42.59% 0.0312 -0.1896)
OKLCH	oklch(42.59% 0.192 279.3)
XYZ	xyz(11.4979, 6.7452, 43.3351)
Luminance	0.0675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 4.15

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4133B3 #A5B333

analogous

#3365B3 #4133B3 #8133B3

triadic

#4133B3 #B34133 #33B341

tetradic

#4133B3 #B33365 #A5B333 #33B381

square

#4133B3 #B33365 #A5B333 #33B381

split-complementary

#4133B3 #B38133 #65B333

monochromatic

#1E1854 #302583 #4133B3 #6255CE #8E84DC

Accessibility & contrast

On white

8.94

#4133B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#4133B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4133B3

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4133B3	#FFFFFF	#000000	##FFFFFF
##4133B3	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB7

Deuteranopia (green-blind)

#0044B1

Tritanopia (blue-blind)

#00566F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4133b3;
/* rgb */ color: rgb(65, 51, 179);
/* oklch */ color: oklch(42.6% 0.192 279.3);

Tailwind

colors: {
  custom: {
    50: '#846ccb',
    500: '#4133b3',
    950: '#000000',
  },
}

SCSS

$custom: #4133b3;
$custom-light: #846ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#4133b3",
  "rgb": {
    "r": 65,
    "g": 51,
    "b": 179
  },
  "hsl": {
    "h": 246.563,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.4259,
    "c": 0.19211,
    "h": 279.3
  },
  "luminance": 0.06746
}

Semantic roles & 50–950 ramp

primary

#4133B3

secondary

#BEC67C

accent

#DF49CF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4133B3

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

Preview Lab → · Contrast checker → · Palette generator →