#28348C#28348C

#28348C is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.4% C 0.145 H 271.4°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#28348C
RGB	rgb(40, 52, 140)
HSL	hsl(233, 56%, 35%)
HSV	hsv(233, 71%, 55%)
CMYK	cmyk(71.4%, 62.9%, 0%, 45.1%)
CIE-LAB	lab(26.16, 26.21, -50.39)
CIE-LCH	lch(26.16, 56.80, 297.48°)
OKLab	oklab(37.38% 0.0037 -0.1454)
OKLCH	oklch(37.38% 0.145 271.4)
XYZ	xyz(6.8351, 4.7999, 25.3721)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28348C #8C8028

analogous

#28668C #28348C #4E288C

triadic

#28348C #8C2834 #348C28

tetradic

#28348C #8C2866 #8C8028 #288C4E

square

#28348C #8C2866 #8C8028 #288C4E

split-complementary

#28348C #8C4E28 #668C28

monochromatic

#0D112D #1A225C #28348C #3646BC #5E6BD1

Accessibility & contrast

On white

10.71

#28348C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#28348C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28348C

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28348C	#FFFFFF	#000000	##FFFFFF
##28348C	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438F

Deuteranopia (green-blind)

#00398A

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #28348c;
/* rgb */ color: rgb(40, 52, 140);
/* oklch */ color: oklch(37.4% 0.145 271.4);

Tailwind

colors: {
  custom: {
    50: '#706bae',
    500: '#28348c',
    950: '#000000',
  },
}

SCSS

$custom: #28348c;
$custom-light: #706bae;
$custom-dark: #000000;

JSON

{
  "hex": "#28348c",
  "rgb": {
    "r": 40,
    "g": 52,
    "b": 140
  },
  "hsl": {
    "h": 232.8,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.37377,
    "c": 0.14544,
    "h": 271.4
  },
  "luminance": 0.04801
}

Semantic roles & 50–950 ramp

primary

#28348C

secondary

#B6AB5A

accent

#CD49DF

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #28348C

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

Preview Lab → · Contrast checker → · Palette generator →