#28498B#28498B

#28498B is a dark, moderate blue. Relative luminance 0.071; OKLCH L 41.8% C 0.117 H 262.5°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#28498B
RGB	rgb(40, 73, 139)
HSL	hsl(220, 55%, 35%)
HSV	hsv(220, 71%, 55%)
CMYK	cmyk(71.2%, 47.5%, 0%, 45.5%)
CIE-LAB	lab(31.99, 11.51, -40.33)
CIE-LCH	lch(31.99, 41.94, 285.93°)
OKLab	oklab(41.75% -0.0152 -0.1155)
OKLCH	oklch(41.75% 0.117 262.5)
XYZ	xyz(7.9162, 7.0795, 25.3704)
Luminance	0.0708 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28498B #8B6A28

analogous

#287A8B #28498B #39288B

triadic

#28498B #8B2849 #498B28

tetradic

#28498B #8B287A #8B6A28 #288B39

square

#28498B #8B287A #8B6A28 #288B39

split-complementary

#28498B #8B3928 #7A8B28

monochromatic

#0D172C #1A305B #28498B #3662BB #5D83D0

Accessibility & contrast

On white

8.69

#28498B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#28498B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28498B

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28498B	#FFFFFF	#000000	##FFFFFF
##28498B	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27508D

Deuteranopia (green-blind)

#13478A

Tritanopia (blue-blind)

#005863

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #28498b;
/* rgb */ color: rgb(40, 73, 139);
/* oklch */ color: oklch(41.8% 0.117 262.5);

Tailwind

colors: {
  custom: {
    50: '#6f7bad',
    500: '#28498b',
    950: '#000000',
  },
}

SCSS

$custom: #28498b;
$custom-light: #6f7bad;
$custom-dark: #000000;

JSON

{
  "hex": "#28498b",
  "rgb": {
    "r": 40,
    "g": 73,
    "b": 139
  },
  "hsl": {
    "h": 220,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.41751,
    "c": 0.1165,
    "h": 262.5
  },
  "luminance": 0.0708
}

Semantic roles & 50–950 ramp

primary

#28498B

secondary

#B69759

accent

#AD49DF

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #28498B

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

Preview Lab → · Contrast checker → · Palette generator →