#2A289A#2A289A

#2A289A is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.8% C 0.178 H 274.1°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#2A289A
RGB	rgb(42, 40, 154)
HSL	hsl(241, 59%, 38%)
HSV	hsv(241, 74%, 60%)
CMYK	cmyk(72.7%, 74%, 0%, 39.6%)
CIE-LAB	lab(24.77, 39.14, -61.28)
CIE-LCH	lch(24.77, 72.72, 302.57°)
OKLab	oklab(36.81% 0.0126 -0.1772)
OKLCH	oklch(36.81% 0.178 274.1)
XYZ	xyz(7.5444, 4.3422, 31.0061)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A289A #989A28

analogous

#285F9A #2A289A #63289A

triadic

#2A289A #9A2A28 #289A2A

tetradic

#2A289A #9A285F #989A28 #289A63

square

#2A289A #9A285F #989A28 #289A63

split-complementary

#2A289A #9A6328 #5F9A28

monochromatic

#100F39 #1D1B69 #2A289A #3735CA #6765D7

Accessibility & contrast

On white

11.24

#2A289A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2A289A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A289A

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A289A	#FFFFFF	#000000	##FFFFFF
##2A289A	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409D

Deuteranopia (green-blind)

#003598

Tritanopia (blue-blind)

#00485E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2a289a;
/* rgb */ color: rgb(42, 40, 154);
/* oklch */ color: oklch(36.8% 0.178 274.1);

Tailwind

colors: {
  custom: {
    50: '#7563b9',
    500: '#2a289a',
    950: '#000000',
  },
}

SCSS

$custom: #2a289a;
$custom-light: #7563b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a289a",
  "rgb": {
    "r": 42,
    "g": 40,
    "b": 154
  },
  "hsl": {
    "h": 241.053,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.36812,
    "c": 0.17769,
    "h": 274.1
  },
  "luminance": 0.04343
}

Semantic roles & 50–950 ramp

primary

#2A289A

secondary

#BBBD61

accent

#E246DF

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2A289A

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

Preview Lab → · Contrast checker → · Palette generator →