#28487E#28487E

#28487E is a dark, moderate blue. Relative luminance 0.066; OKLCH L 40.6% C 0.099 H 260.2°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#28487E
RGB	rgb(40, 72, 126)
HSL	hsl(218, 52%, 33%)
HSV	hsv(218, 68%, 49%)
CMYK	cmyk(68.3%, 42.9%, 0%, 50.6%)
CIE-LAB	lab(30.86, 7.18, -34.10)
CIE-LCH	lch(30.86, 34.85, 281.89°)
OKLab	oklab(40.61% -0.0167 -0.0972)
OKLCH	oklch(40.61% 0.099 260.2)
XYZ	xyz(6.9570, 6.5915, 20.6403)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28487E #7E5E28

analogous

#28737E #28487E #33287E

triadic

#28487E #7E2848 #487E28

tetradic

#28487E #7E2873 #7E5E28 #287E33

square

#28487E #7E2873 #7E5E28 #287E33

split-complementary

#28487E #7E3328 #737E28

monochromatic

#0B1321 #192D50 #28487E #3763AC #5782CA

Accessibility & contrast

On white

9.06

#28487E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#28487E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28487E

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28487E	#FFFFFF	#000000	##FFFFFF
##28487E	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4D80

Deuteranopia (green-blind)

#22457D

Tritanopia (blue-blind)

#00545D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #28487e;
/* rgb */ color: rgb(40, 72, 126);
/* oklch */ color: oklch(40.6% 0.099 260.2);

Tailwind

colors: {
  custom: {
    50: '#6c7aa4',
    500: '#28487e',
    950: '#000000',
  },
}

SCSS

$custom: #28487e;
$custom-light: #6c7aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#28487e",
  "rgb": {
    "r": 40,
    "g": 72,
    "b": 126
  },
  "hsl": {
    "h": 217.674,
    "s": 51.807,
    "l": 32.549
  },
  "oklch": {
    "l": 0.40614,
    "c": 0.09863,
    "h": 260.2
  },
  "luminance": 0.06592
}

Semantic roles & 50–950 ramp

primary

#28487E

secondary

#AF8D53

accent

#A64DDB

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #28487E

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

Preview Lab → · Contrast checker → · Palette generator →