#284381#284381

#284381 is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.7% C 0.110 H 264.3°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#284381
RGB	rgb(40, 67, 129)
HSL	hsl(222, 53%, 33%)
HSV	hsv(222, 69%, 51%)
CMYK	cmyk(69%, 48.1%, 0%, 49.4%)
CIE-LAB	lab(29.54, 11.73, -38.08)
CIE-LCH	lch(29.54, 39.84, 287.11°)
OKLab	oklab(39.66% -0.0109 -0.109)
OKLCH	oklch(39.66% 0.11 264.3)
XYZ	xyz(6.8433, 6.0497, 21.5717)
Luminance	0.0605 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284381 #816628

analogous

#286F81 #284381 #392881

triadic

#284381 #812843 #438128

tetradic

#284381 #81286F #816628 #288139

square

#284381 #81286F #816628 #288139

split-complementary

#284381 #813928 #6F8128

monochromatic

#0B1224 #1A2B52 #284381 #365BB0 #587BCB

Accessibility & contrast

On white

9.50

#284381 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#284381 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284381

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284381	#FFFFFF	#000000	##FFFFFF
##284381	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244A83

Deuteranopia (green-blind)

#124280

Tritanopia (blue-blind)

#00515B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #284381;
/* rgb */ color: rgb(40, 67, 129);
/* oklch */ color: oklch(39.7% 0.110 264.3);

Tailwind

colors: {
  custom: {
    50: '#6d76a6',
    500: '#284381',
    950: '#000000',
  },
}

SCSS

$custom: #284381;
$custom-light: #6d76a6;
$custom-dark: #000000;

JSON

{
  "hex": "#284381",
  "rgb": {
    "r": 40,
    "g": 67,
    "b": 129
  },
  "hsl": {
    "h": 221.798,
    "s": 52.663,
    "l": 33.137
  },
  "oklch": {
    "l": 0.39659,
    "c": 0.10952,
    "h": 264.3
  },
  "luminance": 0.0605
}

Semantic roles & 50–950 ramp

primary

#284381

secondary

#B09454

accent

#B04CDC

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #284381

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

Preview Lab → · Contrast checker → · Palette generator →