#284080#284080

#284080 is a dark, moderate blue. Relative luminance 0.057; OKLCH L 38.9% C 0.112 H 265.9°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#284080
RGB	rgb(40, 64, 128)
HSL	hsl(224, 52%, 33%)
HSV	hsv(224, 69%, 50%)
CMYK	cmyk(68.8%, 50%, 0%, 49.8%)
CIE-LAB	lab(28.58, 13.40, -39.00)
CIE-LCH	lch(28.58, 41.23, 288.96°)
OKLab	oklab(38.9% -0.008 -0.1117)
OKLCH	oklch(38.9% 0.112 265.9)
XYZ	xyz(6.6034, 5.6758, 21.1654)
Luminance	0.0568 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284080 #806828

analogous

#286C80 #284080 #3C2880

triadic

#284080 #802840 #408028

tetradic

#284080 #80286C #806828 #28803C

square

#284080 #80286C #806828 #28803C

split-complementary

#284080 #803C28 #6C8028

monochromatic

#0B1123 #192951 #284080 #3757AF #5877CB

Accessibility & contrast

On white

9.84

#284080 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#284080 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284080

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284080	#FFFFFF	#000000	##FFFFFF
##284080	1.00	9.84	2.14	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4882

Deuteranopia (green-blind)

#09407F

Tritanopia (blue-blind)

#004F5A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #284080;
/* rgb */ color: rgb(40, 64, 128);
/* oklch */ color: oklch(38.9% 0.112 265.9);

Tailwind

colors: {
  custom: {
    50: '#6d74a5',
    500: '#284080',
    950: '#000000',
  },
}

SCSS

$custom: #284080;
$custom-light: #6d74a5;
$custom-dark: #000000;

JSON

{
  "hex": "#284080",
  "rgb": {
    "r": 40,
    "g": 64,
    "b": 128
  },
  "hsl": {
    "h": 223.636,
    "s": 52.381,
    "l": 32.941
  },
  "oklch": {
    "l": 0.38904,
    "c": 0.112,
    "h": 265.9
  },
  "luminance": 0.05676
}

Semantic roles & 50–950 ramp

primary

#284080

secondary

#B09754

accent

#B54CDC

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #284080

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

Preview Lab → · Contrast checker → · Palette generator →