#284E93#284E93

#284E93 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.5% C 0.122 H 261.2°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#284E93
RGB	rgb(40, 78, 147)
HSL	hsl(219, 57%, 37%)
HSV	hsv(219, 73%, 58%)
CMYK	cmyk(72.8%, 46.9%, 0%, 42.4%)
CIE-LAB	lab(33.99, 11.25, -42.00)
CIE-LCH	lch(33.99, 43.48, 284.99°)
OKLab	oklab(43.46% -0.0186 -0.1203)
OKLCH	oklch(43.46% 0.122 261.2)
XYZ	xyz(8.8640, 8.0055, 28.6762)
Luminance	0.0801 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284E93 #936D28

analogous

#288493 #284E93 #382893

triadic

#284E93 #93284E #4E9328

tetradic

#284E93 #932884 #936D28 #289338

square

#284E93 #932884 #936D28 #289338

split-complementary

#284E93 #933828 #849328

monochromatic

#0E1B33 #1B3463 #284E93 #3568C3 #618AD4

Accessibility & contrast

On white

8.07

#284E93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#284E93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284E93

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284E93	#FFFFFF	#000000	##FFFFFF
##284E93	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A5596

Deuteranopia (green-blind)

#144B92

Tritanopia (blue-blind)

#005E69

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #284e93;
/* rgb */ color: rgb(40, 78, 147);
/* oklch */ color: oklch(43.5% 0.122 261.2);

Tailwind

colors: {
  custom: {
    50: '#707fb3',
    500: '#284e93',
    950: '#000000',
  },
}

SCSS

$custom: #284e93;
$custom-light: #707fb3;
$custom-dark: #000000;

JSON

{
  "hex": "#284e93",
  "rgb": {
    "r": 40,
    "g": 78,
    "b": 147
  },
  "hsl": {
    "h": 218.692,
    "s": 57.219,
    "l": 36.667
  },
  "oklch": {
    "l": 0.43463,
    "c": 0.12175,
    "h": 261.2
  },
  "luminance": 0.08006
}

Semantic roles & 50–950 ramp

primary

#284E93

secondary

#BA995D

accent

#AA47E0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #284E93

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

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