#2A28A9#2A28A9

#2A28A9 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.4% C 0.196 H 272.8°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#2A28A9
RGB	rgb(42, 40, 169)
HSL	hsl(241, 62%, 41%)
HSV	hsv(241, 76%, 66%)
CMYK	cmyk(75.1%, 76.3%, 0%, 33.7%)
CIE-LAB	lab(26.37, 44.18, -67.76)
CIE-LCH	lch(26.37, 80.89, 303.11°)
OKLab	oklab(38.42% 0.0098 -0.1961)
OKLCH	oklch(38.42% 0.196 272.8)
XYZ	xyz(8.8727, 4.8735, 38.0015)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A28A9 #A7A928

analogous

#2866A9 #2A28A9 #6A28A9

triadic

#2A28A9 #A92A28 #28A92A

tetradic

#2A28A9 #A92866 #A7A928 #28A96A

square

#2A28A9 #A92866 #A7A928 #28A96A

split-complementary

#2A28A9 #A96A28 #66A928

monochromatic

#111146 #1E1C78 #2A28A9 #3F3DD1 #706FDD

Accessibility & contrast

On white

10.63

#2A28A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2A28A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A28A9

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A28A9	#FFFFFF	#000000	##FFFFFF
##2A28A9	1.00	10.63	1.97	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AD

Deuteranopia (green-blind)

#0038A7

Tritanopia (blue-blind)

#004E67

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2a28a9;
/* rgb */ color: rgb(42, 40, 169);
/* oklch */ color: oklch(38.4% 0.196 272.8);

Tailwind

colors: {
  custom: {
    50: '#7964c4',
    500: '#2a28a9',
    950: '#000000',
  },
}

SCSS

$custom: #2a28a9;
$custom-light: #7964c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a28a9",
  "rgb": {
    "r": 42,
    "g": 40,
    "b": 169
  },
  "hsl": {
    "h": 240.93,
    "s": 61.722,
    "l": 40.98
  },
  "oklch": {
    "l": 0.38421,
    "c": 0.19633,
    "h": 272.8
  },
  "luminance": 0.04874
}

Semantic roles & 50–950 ramp

primary

#2A28A9

secondary

#C2C469

accent

#E543E2

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2A28A9

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

Preview Lab → · Contrast checker → · Palette generator →