#285AA4#285AA4

#285AA4 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.4% C 0.131 H 258.3°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#285AA4
RGB	rgb(40, 90, 164)
HSL	hsl(216, 61%, 40%)
HSV	hsv(216, 76%, 64%)
CMYK	cmyk(75.6%, 45.1%, 0%, 35.7%)
CIE-LAB	lab(38.63, 9.89, -44.80)
CIE-LCH	lch(38.63, 45.88, 282.45°)
OKLab	oklab(47.38% -0.0265 -0.1283)
OKLCH	oklch(47.38% 0.131 258.3)
XYZ	xyz(11.2296, 10.4425, 36.5385)
Luminance	0.1044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285AA4 #A47228

analogous

#2898A4 #285AA4 #3428A4

triadic

#285AA4 #A4285A #5AA428

tetradic

#285AA4 #A42898 #A47228 #28A434

square

#285AA4 #A42898 #A47228 #28A434

split-complementary

#285AA4 #A43428 #98A428

monochromatic

#102442 #1C3F73 #285AA4 #3A76CF #6B98DB

Accessibility & contrast

On white

6.80

#285AA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#285AA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285AA4

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285AA4	#FFFFFF	#000000	##FFFFFF
##285AA4	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3461A7

Deuteranopia (green-blind)

#1B56A3

Tritanopia (blue-blind)

#006B77

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #285aa4;
/* rgb */ color: rgb(40, 90, 164);
/* oklch */ color: oklch(47.4% 0.131 258.3);

Tailwind

colors: {
  custom: {
    50: '#7388bf',
    500: '#285aa4',
    950: '#000000',
  },
}

SCSS

$custom: #285aa4;
$custom-light: #7388bf;
$custom-dark: #000000;

JSON

{
  "hex": "#285aa4",
  "rgb": {
    "r": 40,
    "g": 90,
    "b": 164
  },
  "hsl": {
    "h": 215.806,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.47384,
    "c": 0.13104,
    "h": 258.3
  },
  "luminance": 0.10444
}

Semantic roles & 50–950 ramp

primary

#285AA4

secondary

#C19D66

accent

#A344E4

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #285AA4

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

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