#284875#284875

#284875 is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.0% C 0.085 H 257.2°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#284875
RGB	rgb(40, 72, 117)
HSL	hsl(215, 49%, 31%)
HSV	hsv(215, 66%, 46%)
CMYK	cmyk(65.8%, 38.5%, 0%, 54.1%)
CIE-LAB	lab(30.33, 3.76, -29.32)
CIE-LCH	lch(30.33, 29.56, 277.30°)
OKLab	oklab(40.03% -0.019 -0.0832)
OKLCH	oklch(40.03% 0.085 257.2)
XYZ	xyz(6.4022, 6.3696, 17.7182)
Luminance	0.0637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284875 #755528

analogous

#286E75 #284875 #2E2875

triadic

#284875 #752848 #487528

tetradic

#284875 #75286E #755528 #28752E

square

#284875 #75286E #755528 #28752E

split-complementary

#284875 #752E28 #6E7528

monochromatic

#09101A #182C47 #284875 #3864A3 #5382C4

Accessibility & contrast

On white

9.23

#284875 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#284875 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284875

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284875	#FFFFFF	#000000	##FFFFFF
##284875	1.00	9.23	2.27	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#354B77

Deuteranopia (green-blind)

#2A4474

Tritanopia (blue-blind)

#005259

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #284875;
/* rgb */ color: rgb(40, 72, 117);
/* oklch */ color: oklch(40.0% 0.085 257.2);

Tailwind

colors: {
  custom: {
    50: '#6a7a9d',
    500: '#284875',
    950: '#000000',
  },
}

SCSS

$custom: #284875;
$custom-light: #6a7a9d;
$custom-dark: #000000;

JSON

{
  "hex": "#284875",
  "rgb": {
    "r": 40,
    "g": 72,
    "b": 117
  },
  "hsl": {
    "h": 215.065,
    "s": 49.045,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40028,
    "c": 0.08532,
    "h": 257.2
  },
  "luminance": 0.0637
}

Semantic roles & 50–950 ramp

primary

#284875

secondary

#A78452

accent

#9F4FD9

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#07090E

muted

#7A7B7E

Preview Lab

Preview with #284875

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

Preview Lab → · Contrast checker → · Palette generator →