#28298E#28298E

#28298E is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.6% C 0.162 H 274.1°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#28298E
RGB	rgb(40, 41, 142)
HSL	hsl(239, 56%, 36%)
HSV	hsv(239, 72%, 56%)
CMYK	cmyk(71.8%, 71.1%, 0%, 44.3%)
CIE-LAB	lab(23.64, 34.13, -55.76)
CIE-LCH	lch(23.64, 65.38, 301.47°)
OKLab	oklab(35.6% 0.0115 -0.1612)
OKLCH	oklch(35.6% 0.162 274.1)
XYZ	xyz(6.5489, 3.9894, 26.0108)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28298E #8E8D28

analogous

#285C8E #28298E #5A288E

triadic

#28298E #8E2829 #298E28

tetradic

#28298E #8E285C #8E8D28 #288E5A

square

#28298E #8E285C #8E8D28 #288E5A

split-complementary

#28298E #8E5A28 #5C8E28

monochromatic

#0D0D2F #1B1B5E #28298E #3537BE #5F60D2

Accessibility & contrast

On white

11.68

#28298E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#28298E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28298E

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28298E	#FFFFFF	#000000	##FFFFFF
##28298E	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D91

Deuteranopia (green-blind)

#00338C

Tritanopia (blue-blind)

#004558

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #28298e;
/* rgb */ color: rgb(40, 41, 142);
/* oklch */ color: oklch(35.6% 0.162 274.1);

Tailwind

colors: {
  custom: {
    50: '#7263b0',
    500: '#28298e',
    950: '#000000',
  },
}

SCSS

$custom: #28298e;
$custom-light: #7263b0;
$custom-dark: #000000;

JSON

{
  "hex": "#28298e",
  "rgb": {
    "r": 40,
    "g": 41,
    "b": 142
  },
  "hsl": {
    "h": 239.412,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.35595,
    "c": 0.16158,
    "h": 274.1
  },
  "luminance": 0.0399
}

Semantic roles & 50–950 ramp

primary

#28298E

secondary

#B7B65B

accent

#DE48DF

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #28298E

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

Preview Lab → · Contrast checker → · Palette generator →