#28447D#28447D

#28447D is a dark, moderate blue. Relative luminance 0.061; OKLCH L 39.6% C 0.102 H 262.9°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#28447D
RGB	rgb(40, 68, 125)
HSL	hsl(220, 52%, 32%)
HSV	hsv(220, 68%, 49%)
CMYK	cmyk(68%, 45.6%, 0%, 51%)
CIE-LAB	lab(29.58, 9.50, -35.52)
CIE-LCH	lch(29.58, 36.77, 284.98°)
OKLab	oklab(39.6% -0.0126 -0.1014)
OKLCH	oklch(39.6% 0.102 262.9)
XYZ	xyz(6.6426, 6.0654, 20.2187)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28447D #7D6128

analogous

#286F7D #28447D #36287D

triadic

#28447D #7D2844 #447D28

tetradic

#28447D #7D286F #7D6128 #287D36

square

#28447D #7D286F #7D6128 #287D36

split-complementary

#28447D #7D3628 #6F7D28

monochromatic

#0A1220 #192B4F #28447D #375DAB #567CC9

Accessibility & contrast

On white

9.49

#28447D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#28447D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28447D

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28447D	#FFFFFF	#000000	##FFFFFF
##28447D	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294A7F

Deuteranopia (green-blind)

#1B427C

Tritanopia (blue-blind)

#00515A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #28447d;
/* rgb */ color: rgb(40, 68, 125);
/* oklch */ color: oklch(39.6% 0.102 262.9);

Tailwind

colors: {
  custom: {
    50: '#6c77a3',
    500: '#28447d',
    950: '#000000',
  },
}

SCSS

$custom: #28447d;
$custom-light: #6c77a3;
$custom-dark: #000000;

JSON

{
  "hex": "#28447d",
  "rgb": {
    "r": 40,
    "g": 68,
    "b": 125
  },
  "hsl": {
    "h": 220.235,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.39604,
    "c": 0.10223,
    "h": 262.9
  },
  "luminance": 0.06066
}

Semantic roles & 50–950 ramp

primary

#28447D

secondary

#AE9053

accent

#AC4DDB

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #28447D

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

Preview Lab → · Contrast checker → · Palette generator →