#28358D#28358D

#28358D is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.7% C 0.146 H 271.1°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#28358D
RGB	rgb(40, 53, 141)
HSL	hsl(232, 56%, 35%)
HSV	hsv(232, 72%, 55%)
CMYK	cmyk(71.6%, 62.4%, 0%, 44.7%)
CIE-LAB	lab(26.50, 25.92, -50.44)
CIE-LCH	lch(26.50, 56.71, 297.19°)
OKLab	oklab(37.66% 0.0029 -0.1455)
OKLCH	oklch(37.66% 0.146 271.1)
XYZ	xyz(6.9543, 4.9197, 25.7772)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28358D #8D8028

analogous

#28678D #28358D #4D288D

triadic

#28358D #8D2835 #358D28

tetradic

#28358D #8D2867 #8D8028 #288D4D

square

#28358D #8D2867 #8D8028 #288D4D

split-complementary

#28358D #8D4D28 #678D28

monochromatic

#0D112E #1A235D #28358D #3647BD #5E6DD1

Accessibility & contrast

On white

10.58

#28358D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#28358D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28358D

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28358D	#FFFFFF	#000000	##FFFFFF
##28358D	1.00	10.58	1.98	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004390

Deuteranopia (green-blind)

#003A8B

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #28358d;
/* rgb */ color: rgb(40, 53, 141);
/* oklch */ color: oklch(37.7% 0.146 271.1);

Tailwind

colors: {
  custom: {
    50: '#706caf',
    500: '#28358d',
    950: '#000000',
  },
}

SCSS

$custom: #28358d;
$custom-light: #706caf;
$custom-dark: #000000;

JSON

{
  "hex": "#28358d",
  "rgb": {
    "r": 40,
    "g": 53,
    "b": 141
  },
  "hsl": {
    "h": 232.277,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.37661,
    "c": 0.14556,
    "h": 271.1
  },
  "luminance": 0.0492
}

Semantic roles & 50–950 ramp

primary

#28358D

secondary

#B7AB5A

accent

#CC49DF

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #28358D

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

Preview Lab → · Contrast checker → · Palette generator →