#28498F#28498F

#28498F is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.0% C 0.122 H 263.2°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#28498F
RGB	rgb(40, 73, 143)
HSL	hsl(221, 56%, 36%)
HSV	hsv(221, 72%, 56%)
CMYK	cmyk(72%, 49%, 0%, 43.9%)
CIE-LAB	lab(32.25, 13.06, -42.36)
CIE-LCH	lch(32.25, 44.33, 287.14°)
OKLab	oklab(42.04% -0.0145 -0.1215)
OKLCH	oklch(42.04% 0.122 263.2)
XYZ	xyz(8.2138, 7.1985, 26.9379)
Luminance	0.0720 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28498F #8F6E28

analogous

#287C8F #28498F #3B288F

triadic

#28498F #8F2849 #498F28

tetradic

#28498F #8F287C #8F6E28 #288F3B

square

#28498F #8F287C #8F6E28 #288F3B

split-complementary

#28498F #8F3B28 #7C8F28

monochromatic

#0D182F #1B315F #28498F #3561BF #5F84D2

Accessibility & contrast

On white

8.61

#28498F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#28498F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28498F

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28498F	#FFFFFF	#000000	##FFFFFF
##28498F	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#235192

Deuteranopia (green-blind)

#08478E

Tritanopia (blue-blind)

#005965

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #28498f;
/* rgb */ color: rgb(40, 73, 143);
/* oklch */ color: oklch(42.0% 0.122 263.2);

Tailwind

colors: {
  custom: {
    50: '#6f7bb0',
    500: '#28498f',
    950: '#000000',
  },
}

SCSS

$custom: #28498f;
$custom-light: #6f7bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#28498f",
  "rgb": {
    "r": 40,
    "g": 73,
    "b": 143
  },
  "hsl": {
    "h": 220.777,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.42042,
    "c": 0.12233,
    "h": 263.2
  },
  "luminance": 0.07199
}

Semantic roles & 50–950 ramp

primary

#28498F

secondary

#B89A5B

accent

#AF48E0

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #28498F

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

Preview Lab → · Contrast checker → · Palette generator →