#4128B3#4128B3

#4128B3 is a dark, highly saturated violet. Relative luminance 0.059; OKLCH L 41.1% C 0.203 H 280.9°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#4128B3
RGB	rgb(65, 40, 179)
HSL	hsl(251, 63%, 43%)
HSV	hsv(251, 78%, 70%)
CMYK	cmyk(63.7%, 77.7%, 0%, 29.8%)
CIE-LAB	lab(29.15, 49.60, -69.12)
CIE-LCH	lch(29.15, 85.07, 305.67°)
OKLab	oklab(41.13% 0.0383 -0.1994)
OKLCH	oklch(41.13% 0.203 280.9)
XYZ	xyz(11.0729, 5.8952, 43.1935)
Luminance	0.0590 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4128B3 #9AB328

analogous

#2855B3 #4128B3 #8628B3

triadic

#4128B3 #B34128 #28B341

tetradic

#4128B3 #B32855 #9AB328 #28B386

square

#4128B3 #B32855 #9AB328 #28B386

split-complementary

#4128B3 #B38628 #55B328

monochromatic

#1D124F #2F1D81 #4128B3 #5D43D5 #8875E0

Accessibility & contrast

On white

9.64

#4128B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#4128B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4128B3

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4128B3	#FFFFFF	#000000	##FFFFFF
##4128B3	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B7

Deuteranopia (green-blind)

#003FB1

Tritanopia (blue-blind)

#00516D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #4128b3;
/* rgb */ color: rgb(65, 40, 179);
/* oklch */ color: oklch(41.1% 0.203 280.9);

Tailwind

colors: {
  custom: {
    50: '#8566cb',
    500: '#4128b3',
    950: '#000000',
  },
}

SCSS

$custom: #4128b3;
$custom-light: #8566cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4128b3",
  "rgb": {
    "r": 65,
    "g": 40,
    "b": 179
  },
  "hsl": {
    "h": 250.791,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.41126,
    "c": 0.2031,
    "h": 280.9
  },
  "luminance": 0.05896
}

Semantic roles & 50–950 ramp

primary

#4128B3

secondary

#B8C86F

accent

#E641C9

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #4128B3

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

Preview Lab → · Contrast checker → · Palette generator →