#28347A#28347A

#28347A is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.8% C 0.119 H 271.7°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#28347A
RGB	rgb(40, 52, 122)
HSL	hsl(231, 51%, 32%)
HSV	hsv(231, 67%, 48%)
CMYK	cmyk(67.2%, 57.4%, 0%, 52.2%)
CIE-LAB	lab(24.68, 19.40, -41.52)
CIE-LCH	lch(24.68, 45.83, 295.04°)
OKLab	oklab(35.81% 0.0035 -0.1193)
OKLCH	oklch(35.81% 0.119 271.7)
XYZ	xyz(5.6147, 4.3117, 18.9449)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28347A #7A6E28

analogous

#285D7A #28347A #45287A

triadic

#28347A #7A2834 #347A28

tetradic

#28347A #7A285D #7A6E28 #287A45

square

#28347A #7A285D #7A6E28 #287A45

split-complementary

#28347A #7A4528 #5D7A28

monochromatic

#0A0D1E #19204C #28347A #3748A8 #5566C7

Accessibility & contrast

On white

11.28

#28347A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#28347A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28347A

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28347A	#FFFFFF	#000000	##FFFFFF
##28347A	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7C

Deuteranopia (green-blind)

#003779

Tritanopia (blue-blind)

#004551

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #28347a;
/* rgb */ color: rgb(40, 52, 122);
/* oklch */ color: oklch(35.8% 0.119 271.7);

Tailwind

colors: {
  custom: {
    50: '#6c6ba1',
    500: '#28347a',
    950: '#000000',
  },
}

SCSS

$custom: #28347a;
$custom-light: #6c6ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#28347a",
  "rgb": {
    "r": 40,
    "g": 52,
    "b": 122
  },
  "hsl": {
    "h": 231.22,
    "s": 50.617,
    "l": 31.765
  },
  "oklch": {
    "l": 0.35811,
    "c": 0.11938,
    "h": 271.7
  },
  "luminance": 0.04312
}

Semantic roles & 50–950 ramp

primary

#28347A

secondary

#AC9F52

accent

#C64EDA

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #28347A

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

Preview Lab → · Contrast checker → · Palette generator →