#284374#284374

#284374 is a dark, moderate blue. Relative luminance 0.057; OKLCH L 38.8% C 0.090 H 261.4°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#284374
RGB	rgb(40, 67, 116)
HSL	hsl(219, 49%, 31%)
HSV	hsv(219, 66%, 45%)
CMYK	cmyk(65.5%, 42.2%, 0%, 54.5%)
CIE-LAB	lab(28.71, 6.74, -31.25)
CIE-LCH	lch(28.71, 31.97, 282.17°)
OKLab	oklab(38.75% -0.0135 -0.0889)
OKLCH	oklch(38.75% 0.09 261.4)
XYZ	xyz(6.0335, 5.7258, 17.3068)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284374 #745928

analogous

#286974 #284374 #332874

triadic

#284374 #742843 #437428

tetradic

#284374 #742869 #745928 #287433

square

#284374 #742869 #745928 #287433

split-complementary

#284374 #743328 #697428

monochromatic

#090E19 #182946 #284374 #385DA2 #537BC4

Accessibility & contrast

On white

9.79

#284374 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#284374 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284374

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284374	#FFFFFF	#000000	##FFFFFF
##284374	1.00	9.79	2.15	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4776

Deuteranopia (green-blind)

#224073

Tritanopia (blue-blind)

#004E56

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #284374;
/* rgb */ color: rgb(40, 67, 116);
/* oklch */ color: oklch(38.8% 0.090 261.4);

Tailwind

colors: {
  custom: {
    50: '#6a769c',
    500: '#284374',
    950: '#000000',
  },
}

SCSS

$custom: #284374;
$custom-light: #6a769c;
$custom-dark: #000000;

JSON

{
  "hex": "#284374",
  "rgb": {
    "r": 40,
    "g": 67,
    "b": 116
  },
  "hsl": {
    "h": 218.684,
    "s": 48.718,
    "l": 30.588
  },
  "oklch": {
    "l": 0.38754,
    "c": 0.08994,
    "h": 261.4
  },
  "luminance": 0.05726
}

Semantic roles & 50–950 ramp

primary

#284374

secondary

#A68852

accent

#A850D8

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #284374

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

Preview Lab → · Contrast checker → · Palette generator →