#283776#283776

#283776 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.1% C 0.109 H 270.1°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#283776
RGB	rgb(40, 55, 118)
HSL	hsl(228, 49%, 31%)
HSV	hsv(228, 66%, 46%)
CMYK	cmyk(66.1%, 53.4%, 0%, 53.7%)
CIE-LAB	lab(25.23, 15.79, -38.09)
CIE-LCH	lch(25.23, 41.23, 292.51°)
OKLab	oklab(36.13% 0.0001 -0.1092)
OKLCH	oklch(36.13% 0.109 270.1)
XYZ	xyz(5.5102, 4.4910, 17.7125)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283776 #766728

analogous

#285E76 #283776 #402876

triadic

#283776 #762837 #377628

tetradic

#283776 #76285E #766728 #287640

square

#283776 #76285E #766728 #287640

split-complementary

#283776 #764028 #5E7628

monochromatic

#090C1B #192248 #283776 #374CA4 #5469C5

Accessibility & contrast

On white

11.06

#283776 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#283776 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283776

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283776	#FFFFFF	#000000	##FFFFFF
##283776	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#133F78

Deuteranopia (green-blind)

#003875

Tritanopia (blue-blind)

#004651

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #283776;
/* rgb */ color: rgb(40, 55, 118);
/* oklch */ color: oklch(36.1% 0.109 270.1);

Tailwind

colors: {
  custom: {
    50: '#6b6d9e',
    500: '#283776',
    950: '#000000',
  },
}

SCSS

$custom: #283776;
$custom-light: #6b6d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#283776",
  "rgb": {
    "r": 40,
    "g": 55,
    "b": 118
  },
  "hsl": {
    "h": 228.462,
    "s": 49.367,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36134,
    "c": 0.10919,
    "h": 270.1
  },
  "luminance": 0.04491
}

Semantic roles & 50–950 ramp

primary

#283776

secondary

#A89752

accent

#BE4FD9

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #283776

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

Preview Lab → · Contrast checker → · Palette generator →