#284A92#284A92

#284A92 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.5% C 0.125 H 263.1°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#284A92
RGB	rgb(40, 74, 146)
HSL	hsl(221, 57%, 36%)
HSV	hsv(221, 73%, 57%)
CMYK	cmyk(72.6%, 49.3%, 0%, 42.7%)
CIE-LAB	lab(32.75, 13.55, -43.39)
CIE-LCH	lch(32.75, 45.46, 287.34°)
OKLab	oklab(42.49% -0.015 -0.1245)
OKLCH	oklch(42.49% 0.125 263.1)
XYZ	xyz(8.5103, 7.4231, 28.1729)
Luminance	0.0742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284A92 #927028

analogous

#287F92 #284A92 #3B2892

triadic

#284A92 #92284A #4A9228

tetradic

#284A92 #92287F #927028 #28923B

square

#284A92 #92287F #927028 #28923B

split-complementary

#284A92 #923B28 #7F9228

monochromatic

#0E1932 #1B3262 #284A92 #3562C2 #6186D4

Accessibility & contrast

On white

8.45

#284A92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#284A92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284A92

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284A92	#FFFFFF	#000000	##FFFFFF
##284A92	1.00	8.45	2.48	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#235295

Deuteranopia (green-blind)

#044891

Tritanopia (blue-blind)

#005B67

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #284a92;
/* rgb */ color: rgb(40, 74, 146);
/* oklch */ color: oklch(42.5% 0.125 263.1);

Tailwind

colors: {
  custom: {
    50: '#707cb2',
    500: '#284a92',
    950: '#000000',
  },
}

SCSS

$custom: #284a92;
$custom-light: #707cb2;
$custom-dark: #000000;

JSON

{
  "hex": "#284a92",
  "rgb": {
    "r": 40,
    "g": 74,
    "b": 146
  },
  "hsl": {
    "h": 220.755,
    "s": 56.989,
    "l": 36.471
  },
  "oklch": {
    "l": 0.42488,
    "c": 0.12538,
    "h": 263.1
  },
  "luminance": 0.07424
}

Semantic roles & 50–950 ramp

primary

#284A92

secondary

#B99C5D

accent

#AF48E0

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #284A92

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

Preview Lab → · Contrast checker → · Palette generator →