#28487B#28487B

#28487B is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.4% C 0.094 H 259.3°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#28487B
RGB	rgb(40, 72, 123)
HSL	hsl(217, 51%, 32%)
HSV	hsv(217, 67%, 48%)
CMYK	cmyk(67.5%, 41.5%, 0%, 51.8%)
CIE-LAB	lab(30.68, 6.03, -32.52)
CIE-LCH	lch(30.68, 33.07, 280.51°)
OKLab	oklab(40.41% -0.0174 -0.0926)
OKLCH	oklch(40.41% 0.094 259.3)
XYZ	xyz(6.7663, 6.5153, 19.6360)
Luminance	0.0652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28487B #7B5B28

analogous

#28727B #28487B #31287B

triadic

#28487B #7B2848 #487B28

tetradic

#28487B #7B2872 #7B5B28 #287B31

square

#28487B #7B2872 #7B5B28 #287B31

split-complementary

#28487B #7B3128 #727B28

monochromatic

#0A121F #192D4D #28487B #3763A9 #5682C8

Accessibility & contrast

On white

9.12

#28487B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#28487B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28487B

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28487B	#FFFFFF	#000000	##FFFFFF
##28487B	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314C7D

Deuteranopia (green-blind)

#25457A

Tritanopia (blue-blind)

#00545B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #28487b;
/* rgb */ color: rgb(40, 72, 123);
/* oklch */ color: oklch(40.4% 0.094 259.3);

Tailwind

colors: {
  custom: {
    50: '#6b7aa1',
    500: '#28487b',
    950: '#000000',
  },
}

SCSS

$custom: #28487b;
$custom-light: #6b7aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#28487b",
  "rgb": {
    "r": 40,
    "g": 72,
    "b": 123
  },
  "hsl": {
    "h": 216.867,
    "s": 50.92,
    "l": 31.961
  },
  "oklch": {
    "l": 0.40414,
    "c": 0.0942,
    "h": 259.3
  },
  "luminance": 0.06516
}

Semantic roles & 50–950 ramp

primary

#28487B

secondary

#AD8A52

accent

#A44DDA

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07090F

muted

#7A7B7E

Preview Lab

Preview with #28487B

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

Preview Lab → · Contrast checker → · Palette generator →