#28528E#28528E

#28528E is a dark, moderate blue. Relative luminance 0.084; OKLCH L 44.0% C 0.110 H 257.6°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#28528E
RGB	rgb(40, 82, 142)
HSL	hsl(215, 56%, 36%)
HSV	hsv(215, 72%, 56%)
CMYK	cmyk(71.8%, 42.3%, 0%, 44.3%)
CIE-LAB	lab(34.88, 6.66, -37.54)
CIE-LCH	lch(34.88, 38.13, 280.06°)
OKLab	oklab(44.04% -0.0235 -0.1071)
OKLCH	oklch(44.04% 0.11 257.6)
XYZ	xyz(8.7731, 8.4378, 26.7522)
Luminance	0.0844 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28528E #8E6428

analogous

#28858E #28528E #31288E

triadic

#28528E #8E2852 #528E28

tetradic

#28528E #8E2885 #8E6428 #288E31

square

#28528E #8E2885 #8E6428 #288E31

split-complementary

#28528E #8E3128 #858E28

monochromatic

#0D1B2F #1B365E #28528E #356EBE #5F8ED2

Accessibility & contrast

On white

7.81

#28528E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#28528E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28528E

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28528E	#FFFFFF	#000000	##FFFFFF
##28528E	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365790

Deuteranopia (green-blind)

#254E8D

Tritanopia (blue-blind)

#006069

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #28528e;
/* rgb */ color: rgb(40, 82, 142);
/* oklch */ color: oklch(44.0% 0.110 257.6);

Tailwind

colors: {
  custom: {
    50: '#6f82af',
    500: '#28528e',
    950: '#000000',
  },
}

SCSS

$custom: #28528e;
$custom-light: #6f82af;
$custom-dark: #000000;

JSON

{
  "hex": "#28528e",
  "rgb": {
    "r": 40,
    "g": 82,
    "b": 142
  },
  "hsl": {
    "h": 215.294,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.44044,
    "c": 0.1097,
    "h": 257.6
  },
  "luminance": 0.08439
}

Semantic roles & 50–950 ramp

primary

#28528E

secondary

#B7915B

accent

#A148DF

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #28528E

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

Preview Lab → · Contrast checker → · Palette generator →