#28358F#28358F

#28358F is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.8% C 0.148 H 271.1°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#28358F
RGB	rgb(40, 53, 143)
HSL	hsl(232, 56%, 36%)
HSV	hsv(232, 72%, 56%)
CMYK	cmyk(72%, 62.9%, 0%, 43.9%)
CIE-LAB	lab(26.68, 26.67, -51.40)
CIE-LCH	lch(26.68, 57.90, 297.42°)
OKLab	oklab(37.84% 0.0028 -0.1483)
OKLCH	oklch(37.84% 0.148 271.1)
XYZ	xyz(7.1044, 4.9798, 26.5681)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28358F #8F8228

analogous

#28688F #28358F #4E288F

triadic

#28358F #8F2835 #358F28

tetradic

#28358F #8F2868 #8F8228 #288F4E

square

#28358F #8F2868 #8F8228 #288F4E

split-complementary

#28358F #8F4E28 #688F28

monochromatic

#0D122F #1B235F #28358F #3547BF #5F6ED2

Accessibility & contrast

On white

10.52

#28358F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#28358F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28358F

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28358F	#FFFFFF	#000000	##FFFFFF
##28358F	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004492

Deuteranopia (green-blind)

#003A8D

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #28358f;
/* rgb */ color: rgb(40, 53, 143);
/* oklch */ color: oklch(37.8% 0.148 271.1);

Tailwind

colors: {
  custom: {
    50: '#716cb1',
    500: '#28358f',
    950: '#000000',
  },
}

SCSS

$custom: #28358f;
$custom-light: #716cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#28358f",
  "rgb": {
    "r": 40,
    "g": 53,
    "b": 143
  },
  "hsl": {
    "h": 232.427,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.37842,
    "c": 0.14837,
    "h": 271.1
  },
  "luminance": 0.0498
}

Semantic roles & 50–950 ramp

primary

#28358F

secondary

#B8AC5B

accent

#CC48E0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #28358F

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

Preview Lab → · Contrast checker → · Palette generator →