#4128CA#4128CA

#4128CA is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.5% C 0.229 H 278.0°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#4128CA
RGB	rgb(65, 40, 202)
HSL	hsl(249, 67%, 47%)
HSV	hsv(249, 80%, 79%)
CMYK	cmyk(67.8%, 80.2%, 0%, 20.8%)
CIE-LAB	lab(31.59, 56.37, -78.65)
CIE-LCH	lch(31.59, 96.76, 305.63°)
OKLab	oklab(43.55% 0.0319 -0.2272)
OKLCH	oklch(43.55% 0.229 278)
XYZ	xyz(13.5960, 6.9045, 56.4819)
Luminance	0.0691 (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

#4128CA #B1CA28

analogous

#2860CA #4128CA #9228CA

triadic

#4128CA #CA4128 #28CA41

tetradic

#4128CA #CA2860 #B1CA28 #28CA92

square

#4128CA #CA2860 #B1CA28 #28CA92

split-complementary

#4128CA #CA9228 #60CA28

monochromatic

#201464 #311E97 #4128CA #6852DD #9585E7

Accessibility & contrast

On white

8.82

#4128CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#4128CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4128CA

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4128CA	#FFFFFF	#000000	##FFFFFF
##4128CA	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051CE

Deuteranopia (green-blind)

#0044C7

Tritanopia (blue-blind)

#005A7A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4128ca;
/* rgb */ color: rgb(65, 40, 202);
/* oklch */ color: oklch(43.5% 0.229 278.0);

Tailwind

colors: {
  custom: {
    50: '#8967dc',
    500: '#4128ca',
    950: '#000000',
  },
}

SCSS

$custom: #4128ca;
$custom-light: #8967dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4128ca",
  "rgb": {
    "r": 65,
    "g": 40,
    "b": 202
  },
  "hsl": {
    "h": 249.259,
    "s": 66.942,
    "l": 47.451
  },
  "oklch": {
    "l": 0.43546,
    "c": 0.22944,
    "h": 278
  },
  "luminance": 0.06906
}

Semantic roles & 50–950 ramp

primary

#4128CA

secondary

#C3D07E

accent

#EA3ECF

background

#F9F6FD

surface

#F2EBFB

border

#CCC6D4

text

#0D0615

muted

#7E7A83

Preview Lab

Preview with #4128CA

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

Preview Lab → · Contrast checker → · Palette generator →