#284281#284281

#284281 is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.4% C 0.111 H 264.9°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#284281
RGB	rgb(40, 66, 129)
HSL	hsl(222, 53%, 33%)
HSV	hsv(222, 69%, 51%)
CMYK	cmyk(69%, 48.8%, 0%, 49.4%)
CIE-LAB	lab(29.24, 12.41, -38.56)
CIE-LCH	lch(29.24, 40.51, 287.84°)
OKLab	oklab(39.43% -0.0098 -0.1104)
OKLCH	oklch(39.43% 0.111 264.9)
XYZ	xyz(6.7844, 5.9319, 21.5521)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284281 #816728

analogous

#286E81 #284281 #3A2881

triadic

#284281 #812842 #428128

tetradic

#284281 #81286E #816728 #28813A

square

#284281 #81286E #816728 #28813A

split-complementary

#284281 #813A28 #6E8128

monochromatic

#0B1224 #1A2A52 #284281 #365AB0 #587ACB

Accessibility & contrast

On white

9.60

#284281 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#284281 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284281

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284281	#FFFFFF	#000000	##FFFFFF
##284281	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224983

Deuteranopia (green-blind)

#0F4180

Tritanopia (blue-blind)

#00515B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #284281;
/* rgb */ color: rgb(40, 66, 129);
/* oklch */ color: oklch(39.4% 0.111 264.9);

Tailwind

colors: {
  custom: {
    50: '#6d75a6',
    500: '#284281',
    950: '#000000',
  },
}

SCSS

$custom: #284281;
$custom-light: #6d75a6;
$custom-dark: #000000;

JSON

{
  "hex": "#284281",
  "rgb": {
    "r": 40,
    "g": 66,
    "b": 129
  },
  "hsl": {
    "h": 222.472,
    "s": 52.663,
    "l": 33.137
  },
  "oklch": {
    "l": 0.39431,
    "c": 0.11084,
    "h": 264.9
  },
  "luminance": 0.05933
}

Semantic roles & 50–950 ramp

primary

#284281

secondary

#B09554

accent

#B24CDC

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #284281

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

Preview Lab → · Contrast checker → · Palette generator →