#28328C#28328C

#28328C is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.0% C 0.148 H 272.0°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#28328C
RGB	rgb(40, 50, 140)
HSL	hsl(234, 56%, 35%)
HSV	hsv(234, 71%, 55%)
CMYK	cmyk(71.4%, 64.3%, 0%, 45.1%)
CIE-LAB	lab(25.64, 27.56, -51.23)
CIE-LCH	lch(25.64, 58.18, 298.27°)
OKLab	oklab(37% 0.0053 -0.1479)
OKLCH	oklch(37% 0.148 272)
XYZ	xyz(6.7477, 4.6251, 25.3430)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28328C #8C8228

analogous

#28648C #28328C #50288C

triadic

#28328C #8C2832 #328C28

tetradic

#28328C #8C2864 #8C8228 #288C50

square

#28328C #8C2864 #8C8228 #288C50

split-complementary

#28328C #8C5028 #648C28

monochromatic

#0D102D #1A215C #28328C #3643BC #5E69D1

Accessibility & contrast

On white

10.91

#28328C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#28328C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28328C

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28328C	#FFFFFF	#000000	##FFFFFF
##28328C	1.00	10.91	1.93	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418F

Deuteranopia (green-blind)

#00388A

Tritanopia (blue-blind)

#00495A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #28328c;
/* rgb */ color: rgb(40, 50, 140);
/* oklch */ color: oklch(37.0% 0.148 272.0);

Tailwind

colors: {
  custom: {
    50: '#706aae',
    500: '#28328c',
    950: '#000000',
  },
}

SCSS

$custom: #28328c;
$custom-light: #706aae;
$custom-dark: #000000;

JSON

{
  "hex": "#28328c",
  "rgb": {
    "r": 40,
    "g": 50,
    "b": 140
  },
  "hsl": {
    "h": 234,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.36996,
    "c": 0.14798,
    "h": 272
  },
  "luminance": 0.04626
}

Semantic roles & 50–950 ramp

primary

#28328C

secondary

#B6AD5A

accent

#D049DF

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #28328C

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

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