#28368E#28368E

#28368E is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.9% C 0.146 H 270.8°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#28368E
RGB	rgb(40, 54, 142)
HSL	hsl(232, 56%, 36%)
HSV	hsv(232, 72%, 56%)
CMYK	cmyk(71.8%, 62%, 0%, 44.3%)
CIE-LAB	lab(26.85, 25.62, -50.49)
CIE-LCH	lch(26.85, 56.62, 296.90°)
OKLab	oklab(37.95% 0.002 -0.1457)
OKLCH	oklch(37.95% 0.146 270.8)
XYZ	xyz(7.0751, 5.0417, 26.1862)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28368E #8E8028

analogous

#28698E #28368E #4D288E

triadic

#28368E #8E2836 #368E28

tetradic

#28368E #8E2869 #8E8028 #288E4D

square

#28368E #8E2869 #8E8028 #288E4D

split-complementary

#28368E #8E4D28 #698E28

monochromatic

#0D122F #1B245E #28368E #3548BE #5F6ED2

Accessibility & contrast

On white

10.46

#28368E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#28368E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28368E

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28368E	#FFFFFF	#000000	##FFFFFF
##28368E	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004491

Deuteranopia (green-blind)

#003B8C

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #28368e;
/* rgb */ color: rgb(40, 54, 142);
/* oklch */ color: oklch(37.9% 0.146 270.8);

Tailwind

colors: {
  custom: {
    50: '#706db0',
    500: '#28368e',
    950: '#000000',
  },
}

SCSS

$custom: #28368e;
$custom-light: #706db0;
$custom-dark: #000000;

JSON

{
  "hex": "#28368e",
  "rgb": {
    "r": 40,
    "g": 54,
    "b": 142
  },
  "hsl": {
    "h": 231.765,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.37946,
    "c": 0.14568,
    "h": 270.8
  },
  "luminance": 0.05042
}

Semantic roles & 50–950 ramp

primary

#28368E

secondary

#B7AB5B

accent

#CB48DF

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090711

muted

#7B7A80

Preview Lab

Preview with #28368E

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

Preview Lab → · Contrast checker → · Palette generator →