#28497C#28497C

#28497C is a dark, moderate blue. Relative luminance 0.067; OKLCH L 40.7% C 0.094 H 258.8°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#28497C
RGB	rgb(40, 73, 124)
HSL	hsl(216, 51%, 32%)
HSV	hsv(216, 68%, 49%)
CMYK	cmyk(67.7%, 41.1%, 0%, 51.4%)
CIE-LAB	lab(31.05, 5.74, -32.56)
CIE-LCH	lch(31.05, 33.06, 280.00°)
OKLab	oklab(40.72% -0.0183 -0.0927)
OKLCH	oklch(40.72% 0.094 258.8)
XYZ	xyz(6.8944, 6.6708, 19.9891)
Luminance	0.0667 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28497C #7C5B28

analogous

#28737C #28497C #31287C

triadic

#28497C #7C2849 #497C28

tetradic

#28497C #7C2873 #7C5B28 #287C31

square

#28497C #7C2873 #7C5B28 #287C31

split-complementary

#28497C #7C3128 #737C28

monochromatic

#0A131F #192E4E #28497C #3764AA #5683C8

Accessibility & contrast

On white

9.00

#28497C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#28497C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28497C

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28497C	#FFFFFF	#000000	##FFFFFF
##28497C	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324D7E

Deuteranopia (green-blind)

#26457B

Tritanopia (blue-blind)

#00555C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #28497c;
/* rgb */ color: rgb(40, 73, 124);
/* oklch */ color: oklch(40.7% 0.094 258.8);

Tailwind

colors: {
  custom: {
    50: '#6b7ba2',
    500: '#28497c',
    950: '#000000',
  },
}

SCSS

$custom: #28497c;
$custom-light: #6b7ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#28497c",
  "rgb": {
    "r": 40,
    "g": 73,
    "b": 124
  },
  "hsl": {
    "h": 216.429,
    "s": 51.22,
    "l": 32.157
  },
  "oklch": {
    "l": 0.40719,
    "c": 0.09445,
    "h": 258.8
  },
  "luminance": 0.06671
}

Semantic roles & 50–950 ramp

primary

#28497C

secondary

#AD8A52

accent

#A34DDB

background

#F6F7FA

surface

#ECEDF3

border

#C7C8CD

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #28497C

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

Preview Lab → · Contrast checker → · Palette generator →