#4028BA#4028BA

#4028BA is a dark, highly saturated blue. Relative luminance 0.062; OKLCH L 41.8% C 0.211 H 279.5°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#4028BA
RGB	rgb(64, 40, 186)
HSL	hsl(250, 65%, 44%)
HSV	hsv(250, 78%, 73%)
CMYK	cmyk(65.6%, 78.5%, 0%, 27.1%)
CIE-LAB	lab(29.79, 51.58, -72.21)
CIE-LCH	lch(29.79, 88.74, 305.54°)
OKLab	oklab(41.77% 0.035 -0.2085)
OKLCH	oklch(41.77% 0.211 279.5)
XYZ	xyz(11.7332, 6.1518, 47.0140)
Luminance	0.0615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4028BA #A2BA28

analogous

#2859BA #4028BA #8928BA

triadic

#4028BA #BA4028 #28BA40

tetradic

#4028BA #BA2859 #A2BA28 #28BA89

square

#4028BA #BA2859 #A2BA28 #28BA89

split-complementary

#4028BA #BA8928 #59BA28

monochromatic

#1D1255 #2F1D88 #4028BA #5F48D8 #8B7AE2

Accessibility & contrast

On white

9.41

#4028BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#4028BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4028BA

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4028BA	#FFFFFF	#000000	##FFFFFF
##4028BA	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BBE

Deuteranopia (green-blind)

#0040B7

Tritanopia (blue-blind)

#005471

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #4028ba;
/* rgb */ color: rgb(64, 40, 186);
/* oklch */ color: oklch(41.8% 0.211 279.5);

Tailwind

colors: {
  custom: {
    50: '#8666d0',
    500: '#4028ba',
    950: '#000000',
  },
}

SCSS

$custom: #4028ba;
$custom-light: #8666d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4028ba",
  "rgb": {
    "r": 64,
    "g": 40,
    "b": 186
  },
  "hsl": {
    "h": 249.863,
    "s": 64.602,
    "l": 44.314
  },
  "oklch": {
    "l": 0.41772,
    "c": 0.21142,
    "h": 279.5
  },
  "luminance": 0.06153
}

Semantic roles & 50–950 ramp

primary

#4028BA

secondary

#BCCA73

accent

#E840CC

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0614

muted

#7D7A83

Preview Lab

Preview with #4028BA

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

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