#284D92#284D92

#284D92 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.2% C 0.122 H 261.6°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#284D92
RGB	rgb(40, 77, 146)
HSL	hsl(219, 57%, 36%)
HSV	hsv(219, 73%, 57%)
CMYK	cmyk(72.6%, 47.3%, 0%, 42.7%)
CIE-LAB	lab(33.63, 11.53, -41.97)
CIE-LCH	lch(33.63, 43.53, 285.36°)
OKLab	oklab(43.16% -0.0178 -0.1203)
OKLCH	oklch(43.16% 0.122 261.6)
XYZ	xyz(8.7154, 7.8333, 28.2412)
Luminance	0.0783 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284D92 #926D28

analogous

#288292 #284D92 #382892

triadic

#284D92 #92284D #4D9228

tetradic

#284D92 #922882 #926D28 #289238

square

#284D92 #922882 #926D28 #289238

split-complementary

#284D92 #923828 #829228

monochromatic

#0E1A32 #1B3462 #284D92 #3566C2 #6189D4

Accessibility & contrast

On white

8.18

#284D92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#284D92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284D92

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284D92	#FFFFFF	#000000	##FFFFFF
##284D92	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295495

Deuteranopia (green-blind)

#124B91

Tritanopia (blue-blind)

#005D68

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #284d92;
/* rgb */ color: rgb(40, 77, 146);
/* oklch */ color: oklch(43.2% 0.122 261.6);

Tailwind

colors: {
  custom: {
    50: '#707eb2',
    500: '#284d92',
    950: '#000000',
  },
}

SCSS

$custom: #284d92;
$custom-light: #707eb2;
$custom-dark: #000000;

JSON

{
  "hex": "#284d92",
  "rgb": {
    "r": 40,
    "g": 77,
    "b": 146
  },
  "hsl": {
    "h": 219.057,
    "s": 56.989,
    "l": 36.471
  },
  "oklch": {
    "l": 0.43164,
    "c": 0.12158,
    "h": 261.6
  },
  "luminance": 0.07834
}

Semantic roles & 50–950 ramp

primary

#284D92

secondary

#B9995D

accent

#AB48E0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #284D92

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

Preview Lab → · Contrast checker → · Palette generator →