#28487D#28487D

#28487D is a dark, moderate blue. Relative luminance 0.066; OKLCH L 40.5% C 0.097 H 259.9°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#28487D
RGB	rgb(40, 72, 125)
HSL	hsl(217, 52%, 32%)
HSV	hsv(217, 68%, 49%)
CMYK	cmyk(68%, 42.4%, 0%, 51%)
CIE-LAB	lab(30.80, 6.80, -33.57)
CIE-LCH	lch(30.80, 34.25, 281.44°)
OKLab	oklab(40.55% -0.017 -0.0957)
OKLCH	oklch(40.55% 0.097 259.9)
XYZ	xyz(6.8928, 6.5658, 20.3021)
Luminance	0.0657 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28487D #7D5D28

analogous

#28727D #28487D #33287D

triadic

#28487D #7D2848 #487D28

tetradic

#28487D #7D2872 #7D5D28 #287D33

square

#28487D #7D2872 #7D5D28 #287D33

split-complementary

#28487D #7D3328 #727D28

monochromatic

#0A1320 #192D4F #28487D #3763AB #5682C9

Accessibility & contrast

On white

9.08

#28487D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#28487D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28487D

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28487D	#FFFFFF	#000000	##FFFFFF
##28487D	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304D7F

Deuteranopia (green-blind)

#23457C

Tritanopia (blue-blind)

#00545C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #28487d;
/* rgb */ color: rgb(40, 72, 125);
/* oklch */ color: oklch(40.5% 0.097 259.9);

Tailwind

colors: {
  custom: {
    50: '#6c7aa3',
    500: '#28487d',
    950: '#000000',
  },
}

SCSS

$custom: #28487d;
$custom-light: #6c7aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#28487d",
  "rgb": {
    "r": 40,
    "g": 72,
    "b": 125
  },
  "hsl": {
    "h": 217.412,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.40547,
    "c": 0.09715,
    "h": 259.9
  },
  "luminance": 0.06567
}

Semantic roles & 50–950 ramp

primary

#28487D

secondary

#AE8C53

accent

#A54DDB

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #28487D

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

Preview Lab → · Contrast checker → · Palette generator →