#284183#284183

#284183 is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.4% C 0.115 H 265.7°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#284183
RGB	rgb(40, 65, 131)
HSL	hsl(224, 53%, 34%)
HSV	hsv(224, 69%, 51%)
CMYK	cmyk(69.5%, 50.4%, 0%, 48.6%)
CIE-LAB	lab(29.08, 13.87, -40.06)
CIE-LCH	lch(29.08, 42.39, 289.10°)
OKLab	oklab(39.35% -0.0085 -0.1148)
OKLCH	oklch(39.35% 0.115 265.7)
XYZ	xyz(6.8607, 5.8697, 22.2397)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284183 #836A28

analogous

#286E83 #284183 #3C2883

triadic

#284183 #832841 #418328

tetradic

#284183 #83286E #836A28 #28833C

square

#284183 #83286E #836A28 #28833C

split-complementary

#284183 #833C28 #6E8328

monochromatic

#0B1225 #1A2A54 #284183 #3658B2 #5979CC

Accessibility & contrast

On white

9.66

#284183 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#284183 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284183

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284183	#FFFFFF	#000000	##FFFFFF
##284183	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4985

Deuteranopia (green-blind)

#054182

Tritanopia (blue-blind)

#00505B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #284183;
/* rgb */ color: rgb(40, 65, 131);
/* oklch */ color: oklch(39.4% 0.115 265.7);

Tailwind

colors: {
  custom: {
    50: '#6d75a7',
    500: '#284183',
    950: '#000000',
  },
}

SCSS

$custom: #284183;
$custom-light: #6d75a7;
$custom-dark: #000000;

JSON

{
  "hex": "#284183",
  "rgb": {
    "r": 40,
    "g": 65,
    "b": 131
  },
  "hsl": {
    "h": 223.516,
    "s": 53.216,
    "l": 33.529
  },
  "oklch": {
    "l": 0.39354,
    "c": 0.11515,
    "h": 265.7
  },
  "luminance": 0.0587
}

Semantic roles & 50–950 ramp

primary

#284183

secondary

#B19855

accent

#B54BDD

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #284183

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

Preview Lab → · Contrast checker → · Palette generator →