#28348D#28348D

#28348D is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.5% C 0.147 H 271.4°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#28348D
RGB	rgb(40, 52, 141)
HSL	hsl(233, 56%, 35%)
HSV	hsv(233, 72%, 55%)
CMYK	cmyk(71.6%, 63.1%, 0%, 44.7%)
CIE-LAB	lab(26.24, 26.59, -50.87)
CIE-LCH	lch(26.24, 57.40, 297.60°)
OKLab	oklab(37.47% 0.0037 -0.1468)
OKLCH	oklch(37.47% 0.147 271.4)
XYZ	xyz(6.9092, 4.8295, 25.7622)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28348D #8D8128

analogous

#28668D #28348D #4E288D

triadic

#28348D #8D2834 #348D28

tetradic

#28348D #8D2866 #8D8128 #288D4E

square

#28348D #8D2866 #8D8128 #288D4E

split-complementary

#28348D #8D4E28 #668D28

monochromatic

#0D112E #1A225D #28348D #3646BD #5E6CD1

Accessibility & contrast

On white

10.68

#28348D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#28348D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28348D

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28348D	#FFFFFF	#000000	##FFFFFF
##28348D	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004390

Deuteranopia (green-blind)

#003A8B

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #28348d;
/* rgb */ color: rgb(40, 52, 141);
/* oklch */ color: oklch(37.5% 0.147 271.4);

Tailwind

colors: {
  custom: {
    50: '#706baf',
    500: '#28348d',
    950: '#000000',
  },
}

SCSS

$custom: #28348d;
$custom-light: #706baf;
$custom-dark: #000000;

JSON

{
  "hex": "#28348d",
  "rgb": {
    "r": 40,
    "g": 52,
    "b": 141
  },
  "hsl": {
    "h": 232.871,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.37468,
    "c": 0.14684,
    "h": 271.4
  },
  "luminance": 0.0483
}

Semantic roles & 50–950 ramp

primary

#28348D

secondary

#B7AC5A

accent

#CD49DF

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #28348D

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

Preview Lab → · Contrast checker → · Palette generator →