#28487C#28487C

#28487C is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.5% C 0.096 H 259.6°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#28487C
RGB	rgb(40, 72, 124)
HSL	hsl(217, 51%, 32%)
HSV	hsv(217, 68%, 49%)
CMYK	cmyk(67.7%, 41.9%, 0%, 51.4%)
CIE-LAB	lab(30.74, 6.41, -33.05)
CIE-LCH	lch(30.74, 33.66, 280.98°)
OKLab	oklab(40.48% -0.0172 -0.0941)
OKLCH	oklch(40.48% 0.096 259.6)
XYZ	xyz(6.8292, 6.5404, 19.9674)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28487C #7C5C28

analogous

#28727C #28487C #32287C

triadic

#28487C #7C2848 #487C28

tetradic

#28487C #7C2872 #7C5C28 #287C32

square

#28487C #7C2872 #7C5C28 #287C32

split-complementary

#28487C #7C3228 #727C28

monochromatic

#0A121F #192D4E #28487C #3763AA #5682C8

Accessibility & contrast

On white

9.10

#28487C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#28487C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28487C

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28487C	#FFFFFF	#000000	##FFFFFF
##28487C	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314D7E

Deuteranopia (green-blind)

#24457B

Tritanopia (blue-blind)

#00545C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #28487c;
/* rgb */ color: rgb(40, 72, 124);
/* oklch */ color: oklch(40.5% 0.096 259.6);

Tailwind

colors: {
  custom: {
    50: '#6b7aa2',
    500: '#28487c',
    950: '#000000',
  },
}

SCSS

$custom: #28487c;
$custom-light: #6b7aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#28487c",
  "rgb": {
    "r": 40,
    "g": 72,
    "b": 124
  },
  "hsl": {
    "h": 217.143,
    "s": 51.22,
    "l": 32.157
  },
  "oklch": {
    "l": 0.4048,
    "c": 0.09568,
    "h": 259.6
  },
  "luminance": 0.06541
}

Semantic roles & 50–950 ramp

primary

#28487C

secondary

#AD8B52

accent

#A54DDB

background

#F6F7FA

surface

#ECEDF3

border

#C7C8CD

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #28487C

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

Preview Lab → · Contrast checker → · Palette generator →