#284288#284288

#284288 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.0% C 0.121 H 265.8°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#284288
RGB	rgb(40, 66, 136)
HSL	hsl(224, 55%, 35%)
HSV	hsv(224, 71%, 53%)
CMYK	cmyk(70.6%, 51.5%, 0%, 46.7%)
CIE-LAB	lab(29.72, 15.12, -42.12)
CIE-LCH	lch(29.72, 44.75, 289.74°)
OKLab	oklab(39.96% -0.0089 -0.1209)
OKLCH	oklch(39.96% 0.121 265.8)
XYZ	xyz(7.2657, 6.1244, 24.0870)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284288 #886E28

analogous

#287288 #284288 #3E2888

triadic

#284288 #882842 #428828

tetradic

#284288 #882872 #886E28 #28883E

square

#284288 #882872 #886E28 #28883E

split-complementary

#284288 #883E28 #728828

monochromatic

#0C1429 #1A2B59 #284288 #3659B7 #5B7BCF

Accessibility & contrast

On white

9.44

#284288 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#284288 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284288

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284288	#FFFFFF	#000000	##FFFFFF
##284288	1.00	9.44	2.23	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4B8B

Deuteranopia (green-blind)

#004287

Tritanopia (blue-blind)

#00525E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #284288;
/* rgb */ color: rgb(40, 66, 136);
/* oklch */ color: oklch(40.0% 0.121 265.8);

Tailwind

colors: {
  custom: {
    50: '#6e75ab',
    500: '#284288',
    950: '#000000',
  },
}

SCSS

$custom: #284288;
$custom-light: #6e75ab;
$custom-dark: #000000;

JSON

{
  "hex": "#284288",
  "rgb": {
    "r": 40,
    "g": 66,
    "b": 136
  },
  "hsl": {
    "h": 223.75,
    "s": 54.545,
    "l": 34.51
  },
  "oklch": {
    "l": 0.39955,
    "c": 0.12121,
    "h": 265.8
  },
  "luminance": 0.06125
}

Semantic roles & 50–950 ramp

primary

#284288

secondary

#B49B58

accent

#B64ADE

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #284288

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

Preview Lab → · Contrast checker → · Palette generator →