#284C92#284C92

#284C92 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 42.9% C 0.123 H 262.1°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#284C92
RGB	rgb(40, 76, 146)
HSL	hsl(220, 57%, 36%)
HSV	hsv(220, 73%, 57%)
CMYK	cmyk(72.6%, 47.9%, 0%, 42.7%)
CIE-LAB	lab(33.34, 12.20, -42.45)
CIE-LCH	lch(33.34, 44.17, 286.04°)
OKLab	oklab(42.94% -0.0169 -0.1217)
OKLCH	oklch(42.94% 0.123 262.1)
XYZ	xyz(8.6460, 7.6944, 28.2181)
Luminance	0.0770 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284C92 #926E28

analogous

#288192 #284C92 #392892

triadic

#284C92 #92284C #4C9228

tetradic

#284C92 #922881 #926E28 #289239

square

#284C92 #922881 #926E28 #289239

split-complementary

#284C92 #923928 #819228

monochromatic

#0E1A32 #1B3362 #284C92 #3565C2 #6188D4

Accessibility & contrast

On white

8.27

#284C92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#284C92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284C92

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284C92	#FFFFFF	#000000	##FFFFFF
##284C92	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#275495

Deuteranopia (green-blind)

#0E4A91

Tritanopia (blue-blind)

#005C68

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #284c92;
/* rgb */ color: rgb(40, 76, 146);
/* oklch */ color: oklch(42.9% 0.123 262.1);

Tailwind

colors: {
  custom: {
    50: '#707db2',
    500: '#284c92',
    950: '#000000',
  },
}

SCSS

$custom: #284c92;
$custom-light: #707db2;
$custom-dark: #000000;

JSON

{
  "hex": "#284c92",
  "rgb": {
    "r": 40,
    "g": 76,
    "b": 146
  },
  "hsl": {
    "h": 219.623,
    "s": 56.989,
    "l": 36.471
  },
  "oklch": {
    "l": 0.42937,
    "c": 0.12284,
    "h": 262.1
  },
  "luminance": 0.07695
}

Semantic roles & 50–950 ramp

primary

#284C92

secondary

#B99A5D

accent

#AC48E0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #284C92

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

Preview Lab → · Contrast checker → · Palette generator →