#284377#284377

#284377 is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.0% C 0.094 H 262.2°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#284377
RGB	rgb(40, 67, 119)
HSL	hsl(219, 50%, 31%)
HSV	hsv(219, 66%, 47%)
CMYK	cmyk(66.4%, 43.7%, 0%, 53.3%)
CIE-LAB	lab(28.89, 7.88, -32.85)
CIE-LCH	lch(28.89, 33.78, 283.49°)
OKLab	oklab(38.96% -0.0128 -0.0936)
OKLCH	oklch(38.96% 0.094 262.2)
XYZ	xyz(6.2108, 5.7968, 18.2408)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284377 #775C28

analogous

#286A77 #284377 #342877

triadic

#284377 #772843 #437728

tetradic

#284377 #77286A #775C28 #287734

square

#284377 #77286A #775C28 #287734

split-complementary

#284377 #773428 #6A7728

monochromatic

#090F1B #192949 #284377 #375DA5 #547BC5

Accessibility & contrast

On white

9.72

#284377 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#284377 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284377

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284377	#FFFFFF	#000000	##FFFFFF
##284377	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4879

Deuteranopia (green-blind)

#1F4176

Tritanopia (blue-blind)

#004F57

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #284377;
/* rgb */ color: rgb(40, 67, 119);
/* oklch */ color: oklch(39.0% 0.094 262.2);

Tailwind

colors: {
  custom: {
    50: '#6b769e',
    500: '#284377',
    950: '#000000',
  },
}

SCSS

$custom: #284377;
$custom-light: #6b769e;
$custom-dark: #000000;

JSON

{
  "hex": "#284377",
  "rgb": {
    "r": 40,
    "g": 67,
    "b": 119
  },
  "hsl": {
    "h": 219.494,
    "s": 49.686,
    "l": 31.176
  },
  "oklch": {
    "l": 0.38955,
    "c": 0.09448,
    "h": 262.2
  },
  "luminance": 0.05797
}

Semantic roles & 50–950 ramp

primary

#284377

secondary

#A98B52

accent

#AA4FD9

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #284377

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

Preview Lab → · Contrast checker → · Palette generator →