#28447E#28447E

#28447E is a dark, moderate blue. Relative luminance 0.061; OKLCH L 39.7% C 0.104 H 263.1°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#28447E
RGB	rgb(40, 68, 126)
HSL	hsl(220, 52%, 33%)
HSV	hsv(220, 68%, 49%)
CMYK	cmyk(68.3%, 46%, 0%, 50.6%)
CIE-LAB	lab(29.64, 9.89, -36.04)
CIE-LCH	lch(29.64, 37.37, 285.34°)
OKLab	oklab(39.67% -0.0125 -0.103)
OKLCH	oklch(39.67% 0.104 263.1)
XYZ	xyz(6.7068, 6.0911, 20.5569)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28447E #7E6228

analogous

#286F7E #28447E #37287E

triadic

#28447E #7E2844 #447E28

tetradic

#28447E #7E286F #7E6228 #287E37

square

#28447E #7E286F #7E6228 #287E37

split-complementary

#28447E #7E3728 #6F7E28

monochromatic

#0B1221 #192B50 #28447E #375DAC #577CCA

Accessibility & contrast

On white

9.47

#28447E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#28447E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28447E

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28447E	#FFFFFF	#000000	##FFFFFF
##28447E	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284A80

Deuteranopia (green-blind)

#19427D

Tritanopia (blue-blind)

#00515B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #28447e;
/* rgb */ color: rgb(40, 68, 126);
/* oklch */ color: oklch(39.7% 0.104 263.1);

Tailwind

colors: {
  custom: {
    50: '#6c77a4',
    500: '#28447e',
    950: '#000000',
  },
}

SCSS

$custom: #28447e;
$custom-light: #6c77a4;
$custom-dark: #000000;

JSON

{
  "hex": "#28447e",
  "rgb": {
    "r": 40,
    "g": 68,
    "b": 126
  },
  "hsl": {
    "h": 220.465,
    "s": 51.807,
    "l": 32.549
  },
  "oklch": {
    "l": 0.39675,
    "c": 0.10372,
    "h": 263.1
  },
  "luminance": 0.06092
}

Semantic roles & 50–950 ramp

primary

#28447E

secondary

#AF9153

accent

#AD4DDB

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #28447E

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

Preview Lab → · Contrast checker → · Palette generator →