#284388#284388

#284388 is a dark, moderate blue. Relative luminance 0.062; OKLCH L 40.2% C 0.120 H 265.3°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#284388
RGB	rgb(40, 67, 136)
HSL	hsl(223, 55%, 35%)
HSV	hsv(223, 71%, 53%)
CMYK	cmyk(70.6%, 50.7%, 0%, 46.7%)
CIE-LAB	lab(30.02, 14.43, -41.65)
CIE-LCH	lch(30.02, 44.08, 289.11°)
OKLab	oklab(40.18% -0.0098 -0.1195)
OKLCH	oklch(40.18% 0.12 265.3)
XYZ	xyz(7.3246, 6.2423, 24.1066)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284388 #886D28

analogous

#287388 #284388 #3D2888

triadic

#284388 #882843 #438828

tetradic

#284388 #882873 #886D28 #28883D

square

#284388 #882873 #886D28 #28883D

split-complementary

#284388 #883D28 #738828

monochromatic

#0C1429 #1A2C59 #284388 #365AB7 #5B7CCF

Accessibility & contrast

On white

9.34

#284388 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#284388 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284388

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284388	#FFFFFF	#000000	##FFFFFF
##284388	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4B8B

Deuteranopia (green-blind)

#004387

Tritanopia (blue-blind)

#00535F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #284388;
/* rgb */ color: rgb(40, 67, 136);
/* oklch */ color: oklch(40.2% 0.120 265.3);

Tailwind

colors: {
  custom: {
    50: '#6e76ab',
    500: '#284388',
    950: '#000000',
  },
}

SCSS

$custom: #284388;
$custom-light: #6e76ab;
$custom-dark: #000000;

JSON

{
  "hex": "#284388",
  "rgb": {
    "r": 40,
    "g": 67,
    "b": 136
  },
  "hsl": {
    "h": 223.125,
    "s": 54.545,
    "l": 34.51
  },
  "oklch": {
    "l": 0.40177,
    "c": 0.11989,
    "h": 265.3
  },
  "luminance": 0.06243
}

Semantic roles & 50–950 ramp

primary

#284388

secondary

#B49A58

accent

#B44ADE

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #284388

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

Preview Lab → · Contrast checker → · Palette generator →