#2A287A#2A287A

#2A287A is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.6% C 0.135 H 277.3°. Best body text is #FFFFFF at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#2A287A
RGB	rgb(42, 40, 122)
HSL	hsl(241, 51%, 32%)
HSV	hsv(241, 67%, 48%)
CMYK	cmyk(65.6%, 67.2%, 0%, 52.2%)
CIE-LAB	lab(21.63, 27.91, -46.47)
CIE-LCH	lch(21.63, 54.21, 300.99°)
OKLab	oklab(33.6% 0.0173 -0.1339)
OKLCH	oklch(33.6% 0.135 277.3)
XYZ	xyz(5.2254, 3.4145, 18.7923)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A287A #787A28

analogous

#284F7A #2A287A #53287A

triadic

#2A287A #7A2A28 #287A2A

tetradic

#2A287A #7A284F #787A28 #287A53

square

#2A287A #7A284F #787A28 #287A53

split-complementary

#2A287A #7A5328 #4F7A28

monochromatic

#0A0A1E #1A194C #2A287A #3A37A8 #5855C7

Accessibility & contrast

On white

12.48

#2A287A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#2A287A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A287A

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A287A	#FFFFFF	#000000	##FFFFFF
##2A287A	1.00	12.48	1.68	12.48
#FFFFFF	12.48	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377D

Deuteranopia (green-blind)

#003078

Tritanopia (blue-blind)

#003D4D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2a287a;
/* rgb */ color: rgb(42, 40, 122);
/* oklch */ color: oklch(33.6% 0.135 277.3);

Tailwind

colors: {
  custom: {
    50: '#6e62a1',
    500: '#2a287a',
    950: '#000000',
  },
}

SCSS

$custom: #2a287a;
$custom-light: #6e62a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a287a",
  "rgb": {
    "r": 42,
    "g": 40,
    "b": 122
  },
  "hsl": {
    "h": 241.463,
    "s": 50.617,
    "l": 31.765
  },
  "oklch": {
    "l": 0.33598,
    "c": 0.13503,
    "h": 277.3
  },
  "luminance": 0.03415
}

Semantic roles & 50–950 ramp

primary

#2A287A

secondary

#AAAC52

accent

#DA4ED7

background

#F7F5FA

surface

#EDEAF3

border

#C8C6CD

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2A287A

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

Preview Lab → · Contrast checker → · Palette generator →