#2A28BA#2A28BA

#2A28BA is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.3% C 0.217 H 271.7°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#2A28BA
RGB	rgb(42, 40, 186)
HSL	hsl(241, 65%, 44%)
HSV	hsv(241, 78%, 73%)
CMYK	cmyk(77.4%, 78.5%, 0%, 27.1%)
CIE-LAB	lab(28.26, 49.71, -74.80)
CIE-LCH	lch(28.26, 89.81, 303.60°)
OKLab	oklab(40.3% 0.0063 -0.2165)
OKLCH	oklch(40.3% 0.217 271.7)
XYZ	xyz(10.5736, 5.5538, 46.9596)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A28BA #B8BA28

analogous

#286FBA #2A28BA #7328BA

triadic

#2A28BA #BA2A28 #28BA2A

tetradic

#2A28BA #BA286F #B8BA28 #28BA73

square

#2A28BA #BA286F #B8BA28 #28BA73

split-complementary

#2A28BA #BA7328 #6FBA28

monochromatic

#131255 #1F1D88 #2A28BA #4A48D8 #7B7AE2

Accessibility & contrast

On white

9.95

#2A28BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2A28BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A28BA

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A28BA	#FFFFFF	#000000	##FFFFFF
##2A28BA	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004ABE

Deuteranopia (green-blind)

#003BB7

Tritanopia (blue-blind)

#005571

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2a28ba;
/* rgb */ color: rgb(42, 40, 186);
/* oklch */ color: oklch(40.3% 0.217 271.7);

Tailwind

colors: {
  custom: {
    50: '#7d65d0',
    500: '#2a28ba',
    950: '#000000',
  },
}

SCSS

$custom: #2a28ba;
$custom-light: #7d65d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a28ba",
  "rgb": {
    "r": 42,
    "g": 40,
    "b": 186
  },
  "hsl": {
    "h": 240.822,
    "s": 64.602,
    "l": 44.314
  },
  "oklch": {
    "l": 0.40302,
    "c": 0.21662,
    "h": 271.7
  },
  "luminance": 0.05555
}

Semantic roles & 50–950 ramp

primary

#2A28BA

secondary

#C9CA73

accent

#E840E5

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #2A28BA

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

Preview Lab → · Contrast checker → · Palette generator →