#28348F#28348F

#28348F is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.7% C 0.150 H 271.4°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#28348F
RGB	rgb(40, 52, 143)
HSL	hsl(233, 56%, 36%)
HSV	hsv(233, 72%, 56%)
CMYK	cmyk(72%, 63.6%, 0%, 43.9%)
CIE-LAB	lab(26.42, 27.34, -51.82)
CIE-LCH	lch(26.42, 58.59, 297.81°)
OKLab	oklab(37.65% 0.0036 -0.1496)
OKLCH	oklch(37.65% 0.15 271.4)
XYZ	xyz(7.0593, 4.8896, 26.5530)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28348F #8F8328

analogous

#28678F #28348F #4F288F

triadic

#28348F #8F2834 #348F28

tetradic

#28348F #8F2867 #8F8328 #288F4F

square

#28348F #8F2867 #8F8328 #288F4F

split-complementary

#28348F #8F4F28 #678F28

monochromatic

#0D112F #1B235F #28348F #3545BF #5F6DD2

Accessibility & contrast

On white

10.62

#28348F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#28348F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28348F

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28348F	#FFFFFF	#000000	##FFFFFF
##28348F	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004392

Deuteranopia (green-blind)

#003A8D

Tritanopia (blue-blind)

#004B5C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #28348f;
/* rgb */ color: rgb(40, 52, 143);
/* oklch */ color: oklch(37.7% 0.150 271.4);

Tailwind

colors: {
  custom: {
    50: '#716bb1',
    500: '#28348f',
    950: '#000000',
  },
}

SCSS

$custom: #28348f;
$custom-light: #716bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#28348f",
  "rgb": {
    "r": 40,
    "g": 52,
    "b": 143
  },
  "hsl": {
    "h": 233.01,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.37651,
    "c": 0.14963,
    "h": 271.4
  },
  "luminance": 0.0489
}

Semantic roles & 50–950 ramp

primary

#28348F

secondary

#B8AD5B

accent

#CE48E0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #28348F

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

Preview Lab → · Contrast checker → · Palette generator →