#284A93#284A93

#284A93 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.6% C 0.127 H 263.3°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#284A93
RGB	rgb(40, 74, 147)
HSL	hsl(221, 57%, 37%)
HSV	hsv(221, 73%, 58%)
CMYK	cmyk(72.8%, 49.7%, 0%, 42.4%)
CIE-LAB	lab(32.82, 13.94, -43.89)
CIE-LCH	lch(32.82, 46.05, 287.62°)
OKLab	oklab(42.56% -0.0149 -0.1259)
OKLCH	oklch(42.56% 0.127 263.3)
XYZ	xyz(8.5884, 7.4544, 28.5843)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284A93 #937128

analogous

#288093 #284A93 #3C2893

triadic

#284A93 #93284A #4A9328

tetradic

#284A93 #932880 #937128 #28933C

square

#284A93 #932880 #937128 #28933C

split-complementary

#284A93 #933C28 #809328

monochromatic

#0E1A33 #1B3263 #284A93 #3562C3 #6186D4

Accessibility & contrast

On white

8.43

#284A93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#284A93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284A93

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284A93	#FFFFFF	#000000	##FFFFFF
##284A93	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#215296

Deuteranopia (green-blind)

#014992

Tritanopia (blue-blind)

#005B67

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #284a93;
/* rgb */ color: rgb(40, 74, 147);
/* oklch */ color: oklch(42.6% 0.127 263.3);

Tailwind

colors: {
  custom: {
    50: '#707cb3',
    500: '#284a93',
    950: '#000000',
  },
}

SCSS

$custom: #284a93;
$custom-light: #707cb3;
$custom-dark: #000000;

JSON

{
  "hex": "#284a93",
  "rgb": {
    "r": 40,
    "g": 74,
    "b": 147
  },
  "hsl": {
    "h": 220.935,
    "s": 57.219,
    "l": 36.667
  },
  "oklch": {
    "l": 0.42562,
    "c": 0.12683,
    "h": 263.3
  },
  "luminance": 0.07455
}

Semantic roles & 50–950 ramp

primary

#284A93

secondary

#BA9C5D

accent

#B047E0

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #284A93

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

Preview Lab → · Contrast checker → · Palette generator →