#28447A#28447A

#28447A is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.4% C 0.098 H 262.2°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#28447A
RGB	rgb(40, 68, 122)
HSL	hsl(220, 51%, 32%)
HSV	hsv(220, 67%, 48%)
CMYK	cmyk(67.2%, 44.3%, 0%, 52.2%)
CIE-LAB	lab(29.39, 8.35, -33.95)
CIE-LCH	lch(29.39, 34.96, 283.82°)
OKLab	oklab(39.4% -0.0133 -0.0968)
OKLCH	oklch(39.4% 0.098 262.2)
XYZ	xyz(6.4538, 5.9899, 19.2246)
Luminance	0.0599 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28447A #7A5E28

analogous

#286D7A #28447A #35287A

triadic

#28447A #7A2844 #447A28

tetradic

#28447A #7A286D #7A5E28 #287A35

square

#28447A #7A286D #7A5E28 #287A35

split-complementary

#28447A #7A3528 #6D7A28

monochromatic

#0A111E #192A4C #28447A #375EA8 #557CC7

Accessibility & contrast

On white

9.55

#28447A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#28447A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28447A

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28447A	#FFFFFF	#000000	##FFFFFF
##28447A	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B497C

Deuteranopia (green-blind)

#1E4279

Tritanopia (blue-blind)

#005059

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #28447a;
/* rgb */ color: rgb(40, 68, 122);
/* oklch */ color: oklch(39.4% 0.098 262.2);

Tailwind

colors: {
  custom: {
    50: '#6b77a1',
    500: '#28447a',
    950: '#000000',
  },
}

SCSS

$custom: #28447a;
$custom-light: #6b77a1;
$custom-dark: #000000;

JSON

{
  "hex": "#28447a",
  "rgb": {
    "r": 40,
    "g": 68,
    "b": 122
  },
  "hsl": {
    "h": 219.512,
    "s": 50.617,
    "l": 31.765
  },
  "oklch": {
    "l": 0.39397,
    "c": 0.09772,
    "h": 262.2
  },
  "luminance": 0.05991
}

Semantic roles & 50–950 ramp

primary

#28447A

secondary

#AC8D52

accent

#AA4EDA

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #28447A

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

Preview Lab → · Contrast checker → · Palette generator →