#2A28A2#2A28A2

#2A28A2 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.7% C 0.188 H 273.4°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#2A28A2
RGB	rgb(42, 40, 162)
HSL	hsl(241, 60%, 40%)
HSV	hsv(241, 75%, 64%)
CMYK	cmyk(74.1%, 75.3%, 0%, 36.5%)
CIE-LAB	lab(25.62, 41.85, -64.77)
CIE-LCH	lch(25.62, 77.11, 302.87°)
OKLab	oklab(37.66% 0.0111 -0.1874)
OKLCH	oklch(37.66% 0.188 273.4)
XYZ	xyz(8.2330, 4.6176, 34.6328)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A28A2 #A0A228

analogous

#2863A2 #2A28A2 #6728A2

triadic

#2A28A2 #A22A28 #28A22A

tetradic

#2A28A2 #A22863 #A0A228 #28A267

square

#2A28A2 #A22863 #A0A228 #28A267

split-complementary

#2A28A2 #A26728 #63A228

monochromatic

#111040 #1D1C71 #2A28A2 #3C39CE #6C6ADA

Accessibility & contrast

On white

10.92

#2A28A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2A28A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A28A2

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A28A2	#FFFFFF	#000000	##FFFFFF
##2A28A2	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A6

Deuteranopia (green-blind)

#0037A0

Tritanopia (blue-blind)

#004B63

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2a28a2;
/* rgb */ color: rgb(42, 40, 162);
/* oklch */ color: oklch(37.7% 0.188 273.4);

Tailwind

colors: {
  custom: {
    50: '#7764bf',
    500: '#2a28a2',
    950: '#000000',
  },
}

SCSS

$custom: #2a28a2;
$custom-light: #7764bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a28a2",
  "rgb": {
    "r": 42,
    "g": 40,
    "b": 162
  },
  "hsl": {
    "h": 240.984,
    "s": 60.396,
    "l": 39.608
  },
  "oklch": {
    "l": 0.37664,
    "c": 0.18772,
    "h": 273.4
  },
  "luminance": 0.04618
}

Semantic roles & 50–950 ramp

primary

#2A28A2

secondary

#BFC165

accent

#E444E1

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2A28A2

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

Preview Lab → · Contrast checker → · Palette generator →