#284D93#284D93

#284D93 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.2% C 0.123 H 261.7°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#284D93
RGB	rgb(40, 77, 147)
HSL	hsl(219, 57%, 37%)
HSV	hsv(219, 73%, 58%)
CMYK	cmyk(72.8%, 47.6%, 0%, 42.4%)
CIE-LAB	lab(33.70, 11.92, -42.48)
CIE-LCH	lch(33.70, 44.12, 285.68°)
OKLab	oklab(43.24% -0.0177 -0.1217)
OKLCH	oklch(43.24% 0.123 261.7)
XYZ	xyz(8.7935, 7.8645, 28.6527)
Luminance	0.0786 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284D93 #936E28

analogous

#288393 #284D93 #392893

triadic

#284D93 #93284D #4D9328

tetradic

#284D93 #932883 #936E28 #289339

square

#284D93 #932883 #936E28 #289339

split-complementary

#284D93 #933928 #839328

monochromatic

#0E1B33 #1B3463 #284D93 #3566C3 #6189D4

Accessibility & contrast

On white

8.16

#284D93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#284D93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284D93

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284D93	#FFFFFF	#000000	##FFFFFF
##284D93	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285496

Deuteranopia (green-blind)

#104B92

Tritanopia (blue-blind)

#005D69

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #284d93;
/* rgb */ color: rgb(40, 77, 147);
/* oklch */ color: oklch(43.2% 0.123 261.7);

Tailwind

colors: {
  custom: {
    50: '#707eb3',
    500: '#284d93',
    950: '#000000',
  },
}

SCSS

$custom: #284d93;
$custom-light: #707eb3;
$custom-dark: #000000;

JSON

{
  "hex": "#284d93",
  "rgb": {
    "r": 40,
    "g": 77,
    "b": 147
  },
  "hsl": {
    "h": 219.252,
    "s": 57.219,
    "l": 36.667
  },
  "oklch": {
    "l": 0.43236,
    "c": 0.12301,
    "h": 261.7
  },
  "luminance": 0.07865
}

Semantic roles & 50–950 ramp

primary

#284D93

secondary

#BA9A5D

accent

#AC47E0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #284D93

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

Preview Lab → · Contrast checker → · Palette generator →