#284C93#284C93

#284C93 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.0% C 0.124 H 262.3°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#284C93
RGB	rgb(40, 76, 147)
HSL	hsl(220, 57%, 37%)
HSV	hsv(220, 73%, 58%)
CMYK	cmyk(72.8%, 48.3%, 0%, 42.4%)
CIE-LAB	lab(33.41, 12.59, -42.95)
CIE-LCH	lch(33.41, 44.76, 286.34°)
OKLab	oklab(43.01% -0.0167 -0.1231)
OKLCH	oklch(43.01% 0.124 262.3)
XYZ	xyz(8.7241, 7.7257, 28.6295)
Luminance	0.0773 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284C93 #936F28

analogous

#288293 #284C93 #3A2893

triadic

#284C93 #93284C #4C9328

tetradic

#284C93 #932882 #936F28 #28933A

square

#284C93 #932882 #936F28 #28933A

split-complementary

#284C93 #933A28 #829328

monochromatic

#0E1A33 #1B3363 #284C93 #3565C3 #6188D4

Accessibility & contrast

On white

8.25

#284C93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#284C93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284C93

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284C93	#FFFFFF	#000000	##FFFFFF
##284C93	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#265496

Deuteranopia (green-blind)

#0B4A92

Tritanopia (blue-blind)

#005D68

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #284c93;
/* rgb */ color: rgb(40, 76, 147);
/* oklch */ color: oklch(43.0% 0.124 262.3);

Tailwind

colors: {
  custom: {
    50: '#707db3',
    500: '#284c93',
    950: '#000000',
  },
}

SCSS

$custom: #284c93;
$custom-light: #707db3;
$custom-dark: #000000;

JSON

{
  "hex": "#284c93",
  "rgb": {
    "r": 40,
    "g": 76,
    "b": 147
  },
  "hsl": {
    "h": 219.813,
    "s": 57.219,
    "l": 36.667
  },
  "oklch": {
    "l": 0.4301,
    "c": 0.12427,
    "h": 262.3
  },
  "luminance": 0.07727
}

Semantic roles & 50–950 ramp

primary

#284C93

secondary

#BA9B5D

accent

#AD47E0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #284C93

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

Preview Lab → · Contrast checker → · Palette generator →