#28298D#28298D

#28298D is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.5% C 0.160 H 274.2°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#28298D
RGB	rgb(40, 41, 141)
HSL	hsl(239, 56%, 35%)
HSV	hsv(239, 72%, 55%)
CMYK	cmyk(71.6%, 70.9%, 0%, 44.7%)
CIE-LAB	lab(23.54, 33.78, -55.30)
CIE-LCH	lch(23.54, 64.80, 301.42°)
OKLab	oklab(35.49% 0.0116 -0.1598)
OKLCH	oklch(35.49% 0.16 274.2)
XYZ	xyz(6.4741, 3.9595, 25.6172)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28298D #8D8C28

analogous

#285B8D #28298D #59288D

triadic

#28298D #8D2829 #298D28

tetradic

#28298D #8D285B #8D8C28 #288D59

square

#28298D #8D285B #8D8C28 #288D59

split-complementary

#28298D #8D5928 #5B8D28

monochromatic

#0D0D2E #1A1B5D #28298D #3637BD #5E5FD1

Accessibility & contrast

On white

11.72

#28298D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#28298D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28298D

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28298D	#FFFFFF	#000000	##FFFFFF
##28298D	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D90

Deuteranopia (green-blind)

#00338B

Tritanopia (blue-blind)

#004457

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #28298d;
/* rgb */ color: rgb(40, 41, 141);
/* oklch */ color: oklch(35.5% 0.160 274.2);

Tailwind

colors: {
  custom: {
    50: '#7163af',
    500: '#28298d',
    950: '#000000',
  },
}

SCSS

$custom: #28298d;
$custom-light: #7163af;
$custom-dark: #000000;

JSON

{
  "hex": "#28298d",
  "rgb": {
    "r": 40,
    "g": 41,
    "b": 141
  },
  "hsl": {
    "h": 239.406,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.35494,
    "c": 0.16025,
    "h": 274.2
  },
  "luminance": 0.0396
}

Semantic roles & 50–950 ramp

primary

#28298D

secondary

#B7B65A

accent

#DE49DF

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#090511

muted

#7B7980

Preview Lab

Preview with #28298D

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

Preview Lab → · Contrast checker → · Palette generator →