#28247A#28247A

#28247A is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.7% C 0.141 H 277.3°. Best body text is #FFFFFF at 12.93:1 contrast (WCAG AA passes).

Color values

HEX	#28247A
RGB	rgb(40, 36, 122)
HSL	hsl(243, 54%, 31%)
HSV	hsv(243, 70%, 48%)
CMYK	cmyk(67.2%, 70.5%, 0%, 52.2%)
CIE-LAB	lab(20.51, 30.20, -48.32)
CIE-LCH	lch(20.51, 56.98, 302.01°)
OKLab	oklab(32.74% 0.0179 -0.1394)
OKLCH	oklch(32.74% 0.141 277.3)
XYZ	xyz(5.0177, 3.1176, 18.7459)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28247A #767A24

analogous

#244B7A #28247A #53247A

triadic

#28247A #7A2824 #247A28

tetradic

#28247A #7A244B #767A24 #247A53

square

#28247A #7A244B #767A24 #247A53

split-complementary

#28247A #7A5324 #4B7A24

monochromatic

#09081B #19164B #28247A #3732A9 #544ECB

Accessibility & contrast

On white

12.93

#28247A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#28247A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28247A

12.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28247A	#FFFFFF	#000000	##FFFFFF
##28247A	1.00	12.93	1.62	12.93
#FFFFFF	12.93	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357D

Deuteranopia (green-blind)

#002E78

Tritanopia (blue-blind)

#003B4C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #28247a;
/* rgb */ color: rgb(40, 36, 122);
/* oklch */ color: oklch(32.7% 0.141 277.3);

Tailwind

colors: {
  custom: {
    50: '#6d5fa1',
    500: '#28247a',
    950: '#000000',
  },
}

SCSS

$custom: #28247a;
$custom-light: #6d5fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#28247a",
  "rgb": {
    "r": 40,
    "g": 36,
    "b": 122
  },
  "hsl": {
    "h": 242.791,
    "s": 54.43,
    "l": 30.98
  },
  "oklch": {
    "l": 0.32743,
    "c": 0.14055,
    "h": 277.3
  },
  "luminance": 0.03118
}

Semantic roles & 50–950 ramp

primary

#28247A

secondary

#A8AC4D

accent

#DE4AD7

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08040F

muted

#7B797F

Preview Lab

Preview with #28247A

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

Preview Lab → · Contrast checker → · Palette generator →