#284791#284791

#284791 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.7% C 0.128 H 264.4°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#284791
RGB	rgb(40, 71, 145)
HSL	hsl(222, 57%, 36%)
HSV	hsv(222, 72%, 57%)
CMYK	cmyk(72.4%, 51%, 0%, 43.1%)
CIE-LAB	lab(31.81, 15.19, -44.30)
CIE-LCH	lch(31.81, 46.83, 288.93°)
OKLab	oklab(41.75% -0.0124 -0.1272)
OKLCH	oklch(41.75% 0.128 264.4)
XYZ	xyz(8.2373, 7.0011, 27.6998)
Luminance	0.0700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284791 #917228

analogous

#287C91 #284791 #3E2891

triadic

#284791 #912847 #479128

tetradic

#284791 #91287C #917228 #28913E

square

#284791 #91287C #917228 #28913E

split-complementary

#284791 #913E28 #7C9128

monochromatic

#0E1831 #1B3061 #284791 #355EC1 #6082D3

Accessibility & contrast

On white

8.75

#284791 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#284791 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284791

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284791	#FFFFFF	#000000	##FFFFFF
##284791	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C5094

Deuteranopia (green-blind)

#004690

Tritanopia (blue-blind)

#005965

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #284791;
/* rgb */ color: rgb(40, 71, 145);
/* oklch */ color: oklch(41.7% 0.128 264.4);

Tailwind

colors: {
  custom: {
    50: '#7079b2',
    500: '#284791',
    950: '#000000',
  },
}

SCSS

$custom: #284791;
$custom-light: #7079b2;
$custom-dark: #000000;

JSON

{
  "hex": "#284791",
  "rgb": {
    "r": 40,
    "g": 71,
    "b": 145
  },
  "hsl": {
    "h": 222.286,
    "s": 56.757,
    "l": 36.275
  },
  "oklch": {
    "l": 0.41746,
    "c": 0.1278,
    "h": 264.4
  },
  "luminance": 0.07002
}

Semantic roles & 50–950 ramp

primary

#284791

secondary

#B99D5C

accent

#B348E0

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #284791

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

Preview Lab → · Contrast checker → · Palette generator →