#284287#284287

#284287 is a dark, moderate blue. Relative luminance 0.061; OKLCH L 39.9% C 0.120 H 265.7°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#284287
RGB	rgb(40, 66, 135)
HSL	hsl(224, 54%, 34%)
HSV	hsv(224, 70%, 53%)
CMYK	cmyk(70.4%, 51.1%, 0%, 47.1%)
CIE-LAB	lab(29.65, 14.73, -41.62)
CIE-LCH	lch(29.65, 44.15, 289.49°)
OKLab	oklab(39.88% -0.009 -0.1194)
OKLCH	oklch(39.88% 0.12 265.7)
XYZ	xyz(7.1949, 6.0961, 23.7145)
Luminance	0.0610 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284287 #876D28

analogous

#287287 #284287 #3E2887

triadic

#284287 #872842 #428728

tetradic

#284287 #872872 #876D28 #28873E

square

#284287 #872872 #876D28 #28873E

split-complementary

#284287 #873E28 #728728

monochromatic

#0C1429 #1A2B58 #284287 #3659B6 #5B7BCE

Accessibility & contrast

On white

9.46

#284287 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#284287 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284287

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284287	#FFFFFF	#000000	##FFFFFF
##284287	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4A8A

Deuteranopia (green-blind)

#004286

Tritanopia (blue-blind)

#00525E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #284287;
/* rgb */ color: rgb(40, 66, 135);
/* oklch */ color: oklch(39.9% 0.120 265.7);

Tailwind

colors: {
  custom: {
    50: '#6e75aa',
    500: '#284287',
    950: '#000000',
  },
}

SCSS

$custom: #284287;
$custom-light: #6e75aa;
$custom-dark: #000000;

JSON

{
  "hex": "#284287",
  "rgb": {
    "r": 40,
    "g": 66,
    "b": 135
  },
  "hsl": {
    "h": 223.579,
    "s": 54.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.39879,
    "c": 0.11974,
    "h": 265.7
  },
  "luminance": 0.06097
}

Semantic roles & 50–950 ramp

primary

#284287

secondary

#B49A57

accent

#B54ADE

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #284287

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

Preview Lab → · Contrast checker → · Palette generator →