#28298F#28298F

#28298F is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.7% C 0.163 H 274.0°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#28298F
RGB	rgb(40, 41, 143)
HSL	hsl(239, 56%, 36%)
HSV	hsv(239, 72%, 56%)
CMYK	cmyk(72%, 71.3%, 0%, 43.9%)
CIE-LAB	lab(23.74, 34.49, -56.22)
CIE-LCH	lch(23.74, 65.95, 301.53°)
OKLab	oklab(35.7% 0.0113 -0.1625)
OKLCH	oklch(35.7% 0.163 274)
XYZ	xyz(6.6243, 4.0195, 26.4080)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28298F #8F8E28

analogous

#285C8F #28298F #5A288F

triadic

#28298F #8F2829 #298F28

tetradic

#28298F #8F285C #8F8E28 #288F5A

square

#28298F #8F285C #8F8E28 #288F5A

split-complementary

#28298F #8F5A28 #5C8F28

monochromatic

#0D0E2F #1B1B5F #28298F #3537BF #5F60D2

Accessibility & contrast

On white

11.64

#28298F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#28298F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28298F

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28298F	#FFFFFF	#000000	##FFFFFF
##28298F	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D92

Deuteranopia (green-blind)

#00348D

Tritanopia (blue-blind)

#004559

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #28298f;
/* rgb */ color: rgb(40, 41, 143);
/* oklch */ color: oklch(35.7% 0.163 274.0);

Tailwind

colors: {
  custom: {
    50: '#7263b1',
    500: '#28298f',
    950: '#000000',
  },
}

SCSS

$custom: #28298f;
$custom-light: #7263b1;
$custom-dark: #000000;

JSON

{
  "hex": "#28298f",
  "rgb": {
    "r": 40,
    "g": 41,
    "b": 143
  },
  "hsl": {
    "h": 239.417,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.35697,
    "c": 0.1629,
    "h": 274
  },
  "luminance": 0.0402
}

Semantic roles & 50–950 ramp

primary

#28298F

secondary

#B8B75B

accent

#DE48E0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #28298F

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

Preview Lab → · Contrast checker → · Palette generator →