#283884#283884

#283884 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.129 H 270.1°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#283884
RGB	rgb(40, 56, 132)
HSL	hsl(230, 53%, 34%)
HSV	hsv(230, 70%, 52%)
CMYK	cmyk(69.7%, 57.6%, 0%, 48.2%)
CIE-LAB	lab(26.58, 20.45, -44.73)
CIE-LCH	lch(26.58, 49.18, 294.57°)
OKLab	oklab(37.48% 0.0002 -0.1287)
OKLCH	oklch(37.48% 0.129 270.1)
XYZ	xyz(6.4527, 4.9448, 22.4397)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283884 #847428

analogous

#286684 #283884 #462884

triadic

#283884 #842838 #388428

tetradic

#283884 #842866 #847428 #288446

square

#283884 #842866 #847428 #288446

split-complementary

#283884 #844628 #668428

monochromatic

#0C1026 #1A2455 #283884 #364CB3 #5A6ECD

Accessibility & contrast

On white

10.56

#283884 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#283884 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283884

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283884	#FFFFFF	#000000	##FFFFFF
##283884	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004387

Deuteranopia (green-blind)

#003B82

Tritanopia (blue-blind)

#004A58

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #283884;
/* rgb */ color: rgb(40, 56, 132);
/* oklch */ color: oklch(37.5% 0.129 270.1);

Tailwind

colors: {
  custom: {
    50: '#6e6ea8',
    500: '#283884',
    950: '#000000',
  },
}

SCSS

$custom: #283884;
$custom-light: #6e6ea8;
$custom-dark: #000000;

JSON

{
  "hex": "#283884",
  "rgb": {
    "r": 40,
    "g": 56,
    "b": 132
  },
  "hsl": {
    "h": 229.565,
    "s": 53.488,
    "l": 33.725
  },
  "oklch": {
    "l": 0.37483,
    "c": 0.12871,
    "h": 270.1
  },
  "luminance": 0.04945
}

Semantic roles & 50–950 ramp

primary

#283884

secondary

#B2A256

accent

#C34BDD

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #283884

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

Preview Lab → · Contrast checker → · Palette generator →