#2B287A#2B287A

#2B287A is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.7% C 0.135 H 277.9°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#2B287A
RGB	rgb(43, 40, 122)
HSL	hsl(242, 51%, 32%)
HSV	hsv(242, 67%, 48%)
CMYK	cmyk(64.8%, 67.2%, 0%, 52.2%)
CIE-LAB	lab(21.71, 28.07, -46.34)
CIE-LCH	lch(21.71, 54.18, 301.21°)
OKLab	oklab(33.67% 0.0186 -0.1335)
OKLCH	oklch(33.67% 0.135 277.9)
XYZ	xyz(5.2668, 3.4359, 18.7942)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B287A #777A28

analogous

#284E7A #2B287A #54287A

triadic

#2B287A #7A2B28 #287A2B

tetradic

#2B287A #7A284E #777A28 #287A54

square

#2B287A #7A284E #777A28 #287A54

split-complementary

#2B287A #7A5428 #4E7A28

monochromatic

#0B0A1E #1B194C #2B287A #3B37A8 #5955C7

Accessibility & contrast

On white

12.45

#2B287A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#2B287A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B287A

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B287A	#FFFFFF	#000000	##FFFFFF
##2B287A	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377D

Deuteranopia (green-blind)

#003178

Tritanopia (blue-blind)

#003D4D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2b287a;
/* rgb */ color: rgb(43, 40, 122);
/* oklch */ color: oklch(33.7% 0.135 277.9);

Tailwind

colors: {
  custom: {
    50: '#6e62a1',
    500: '#2b287a',
    950: '#000000',
  },
}

SCSS

$custom: #2b287a;
$custom-light: #6e62a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b287a",
  "rgb": {
    "r": 43,
    "g": 40,
    "b": 122
  },
  "hsl": {
    "h": 242.195,
    "s": 50.617,
    "l": 31.765
  },
  "oklch": {
    "l": 0.33675,
    "c": 0.1348,
    "h": 277.9
  },
  "luminance": 0.03436
}

Semantic roles & 50–950 ramp

primary

#2B287A

secondary

#A9AC52

accent

#DA4ED5

background

#F7F5FA

surface

#EDEAF3

border

#C8C6CD

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2B287A

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

Preview Lab → · Contrast checker → · Palette generator →