#4028C3#4028C3

#4028C3 is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.7% C 0.222 H 278.4°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#4028C3
RGB	rgb(64, 40, 195)
HSL	hsl(249, 66%, 46%)
HSV	hsv(249, 79%, 76%)
CMYK	cmyk(67.2%, 79.5%, 0%, 23.5%)
CIE-LAB	lab(30.75, 54.24, -75.94)
CIE-LCH	lch(30.75, 93.32, 305.54°)
OKLab	oklab(42.72% 0.0325 -0.2193)
OKLCH	oklch(42.72% 0.222 278.4)
XYZ	xyz(12.7203, 6.5466, 52.2125)
Luminance	0.0655 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4028C3 #ABC328

analogous

#285EC3 #4028C3 #8D28C3

triadic

#4028C3 #C34028 #28C340

tetradic

#4028C3 #C3285E #ABC328 #28C38D

square

#4028C3 #C3285E #ABC328 #28C38D

split-complementary

#4028C3 #C38D28 #5EC328

monochromatic

#1F135D #2F1E90 #4028C3 #634EDB #9080E5

Accessibility & contrast

On white

9.09

#4028C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#4028C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4028C3

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4028C3	#FFFFFF	#000000	##FFFFFF
##4028C3	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EC7

Deuteranopia (green-blind)

#0042C0

Tritanopia (blue-blind)

#005776

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #4028c3;
/* rgb */ color: rgb(64, 40, 195);
/* oklch */ color: oklch(42.7% 0.222 278.4);

Tailwind

colors: {
  custom: {
    50: '#8767d7',
    500: '#4028c3',
    950: '#000000',
  },
}

SCSS

$custom: #4028c3;
$custom-light: #8767d7;
$custom-dark: #000000;

JSON

{
  "hex": "#4028c3",
  "rgb": {
    "r": 64,
    "g": 40,
    "b": 195
  },
  "hsl": {
    "h": 249.29,
    "s": 65.957,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42723,
    "c": 0.22173,
    "h": 278.4
  },
  "luminance": 0.06548
}

Semantic roles & 50–950 ramp

primary

#4028C3

secondary

#C1CE79

accent

#E93FCF

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0615

muted

#7E7A83

Preview Lab

Preview with #4028C3

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

Preview Lab → · Contrast checker → · Palette generator →