#28248F#28248F

#28248F is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.9% C 0.168 H 274.9°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#28248F
RGB	rgb(40, 36, 143)
HSL	hsl(242, 60%, 35%)
HSV	hsv(242, 75%, 56%)
CMYK	cmyk(72%, 74.8%, 0%, 43.9%)
CIE-LAB	lab(22.64, 37.53, -58.02)
CIE-LCH	lch(22.64, 69.10, 302.90°)
OKLab	oklab(34.91% 0.0144 -0.1678)
OKLCH	oklch(34.91% 0.168 274.9)
XYZ	xyz(6.4622, 3.6954, 26.3540)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28248F #8B8F24

analogous

#24558F #28248F #5D248F

triadic

#28248F #8F2824 #248F28

tetradic

#28248F #8F2455 #8B8F24 #248F5D

square

#28248F #8F2455 #8B8F24 #248F5D

split-complementary

#28248F #8F5D24 #558F24

monochromatic

#0D0B2D #1A185E #28248F #3630C0 #5D58D5

Accessibility & contrast

On white

12.07

#28248F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#28248F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28248F

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28248F	#FFFFFF	#000000	##FFFFFF
##28248F	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B92

Deuteranopia (green-blind)

#00318D

Tritanopia (blue-blind)

#004257

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #28248f;
/* rgb */ color: rgb(40, 36, 143);
/* oklch */ color: oklch(34.9% 0.168 274.9);

Tailwind

colors: {
  custom: {
    50: '#7260b1',
    500: '#28248f',
    950: '#000000',
  },
}

SCSS

$custom: #28248f;
$custom-light: #7260b1;
$custom-dark: #000000;

JSON

{
  "hex": "#28248f",
  "rgb": {
    "r": 40,
    "g": 36,
    "b": 143
  },
  "hsl": {
    "h": 242.243,
    "s": 59.777,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34912,
    "c": 0.16837,
    "h": 274.9
  },
  "luminance": 0.03696
}

Semantic roles & 50–950 ramp

primary

#28248F

secondary

#B6B955

accent

#E345DD

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #28248F

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

Preview Lab → · Contrast checker → · Palette generator →