#28488A#28488A

#28488A is a dark, moderate blue. Relative luminance 0.069; OKLCH L 41.5% C 0.116 H 262.9°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#28488A
RGB	rgb(40, 72, 138)
HSL	hsl(220, 55%, 35%)
HSV	hsv(220, 71%, 54%)
CMYK	cmyk(71%, 47.8%, 0%, 45.9%)
CIE-LAB	lab(31.62, 11.80, -40.30)
CIE-LCH	lch(31.62, 41.99, 286.32°)
OKLab	oklab(41.45% -0.0144 -0.1154)
OKLCH	oklch(41.45% 0.116 262.9)
XYZ	xyz(7.7783, 6.9200, 24.9656)
Luminance	0.0692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28488A #8A6A28

analogous

#28798A #28488A #39288A

triadic

#28488A #8A2848 #488A28

tetradic

#28488A #8A2879 #8A6A28 #288A39

square

#28488A #8A2879 #8A6A28 #288A39

split-complementary

#28488A #8A3928 #798A28

monochromatic

#0C162B #1A2F5B #28488A #3661B9 #5D82D0

Accessibility & contrast

On white

8.81

#28488A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#28488A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28488A

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28488A	#FFFFFF	#000000	##FFFFFF
##28488A	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264F8C

Deuteranopia (green-blind)

#114689

Tritanopia (blue-blind)

#005762

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #28488a;
/* rgb */ color: rgb(40, 72, 138);
/* oklch */ color: oklch(41.5% 0.116 262.9);

Tailwind

colors: {
  custom: {
    50: '#6e7aad',
    500: '#28488a',
    950: '#000000',
  },
}

SCSS

$custom: #28488a;
$custom-light: #6e7aad;
$custom-dark: #000000;

JSON

{
  "hex": "#28488a",
  "rgb": {
    "r": 40,
    "g": 72,
    "b": 138
  },
  "hsl": {
    "h": 220.408,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.41451,
    "c": 0.11632,
    "h": 262.9
  },
  "luminance": 0.06921
}

Semantic roles & 50–950 ramp

primary

#28488A

secondary

#B59759

accent

#AE49DE

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #28488A

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

Preview Lab → · Contrast checker → · Palette generator →