#284787#284787

#284787 is a dark, moderate blue. Relative luminance 0.067; OKLCH L 41.0% C 0.113 H 262.9°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#284787
RGB	rgb(40, 71, 135)
HSL	hsl(220, 54%, 34%)
HSV	hsv(220, 70%, 53%)
CMYK	cmyk(70.4%, 47.4%, 0%, 47.1%)
CIE-LAB	lab(31.13, 11.32, -39.25)
CIE-LCH	lch(31.13, 40.85, 286.09°)
OKLab	oklab(41.01% -0.0139 -0.1123)
OKLCH	oklch(41.01% 0.113 262.9)
XYZ	xyz(7.4999, 6.7061, 23.8161)
Luminance	0.0671 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284787 #876828

analogous

#287787 #284787 #392887

triadic

#284787 #872847 #478728

tetradic

#284787 #872877 #876828 #288739

square

#284787 #872877 #876828 #288739

split-complementary

#284787 #873928 #778728

monochromatic

#0C1529 #1A2E58 #284787 #3660B6 #5B81CE

Accessibility & contrast

On white

8.97

#284787 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#284787 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284787

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284787	#FFFFFF	#000000	##FFFFFF
##284787	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274E89

Deuteranopia (green-blind)

#144586

Tritanopia (blue-blind)

#005660

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #284787;
/* rgb */ color: rgb(40, 71, 135);
/* oklch */ color: oklch(41.0% 0.113 262.9);

Tailwind

colors: {
  custom: {
    50: '#6e79aa',
    500: '#284787',
    950: '#000000',
  },
}

SCSS

$custom: #284787;
$custom-light: #6e79aa;
$custom-dark: #000000;

JSON

{
  "hex": "#284787",
  "rgb": {
    "r": 40,
    "g": 71,
    "b": 135
  },
  "hsl": {
    "h": 220.421,
    "s": 54.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.41007,
    "c": 0.11321,
    "h": 262.9
  },
  "luminance": 0.06707
}

Semantic roles & 50–950 ramp

primary

#284787

secondary

#B49557

accent

#AE4ADE

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #284787

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

Preview Lab → · Contrast checker → · Palette generator →