#285BB7#285BB7

#285BB7 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.0% C 0.156 H 261.1°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#285BB7
RGB	rgb(40, 91, 183)
HSL	hsl(219, 64%, 44%)
HSV	hsv(219, 78%, 72%)
CMYK	cmyk(78.1%, 50.3%, 0%, 28.2%)
CIE-LAB	lab(40.16, 16.58, -53.55)
CIE-LCH	lch(40.16, 56.05, 287.20°)
OKLab	oklab(48.97% -0.0242 -0.154)
OKLCH	oklch(48.97% 0.156 261.1)
XYZ	xyz(13.1603, 11.3507, 46.2879)
Luminance	0.1135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285BB7 #B78428

analogous

#28A2B7 #285BB7 #3C28B7

triadic

#285BB7 #B7285B #5BB728

tetradic

#285BB7 #B728A2 #B78428 #28B73C

square

#285BB7 #B728A2 #B78428 #28B73C

split-complementary

#285BB7 #B73C28 #A2B728

monochromatic

#122953 #1D4285 #285BB7 #4679D6 #789EE1

Accessibility & contrast

On white

6.42

#285BB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#285BB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285BB7

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285BB7	#FFFFFF	#000000	##FFFFFF
##285BB7	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2266BA

Deuteranopia (green-blind)

#0059B5

Tritanopia (blue-blind)

#007180

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #285bb7;
/* rgb */ color: rgb(40, 91, 183);
/* oklch */ color: oklch(49.0% 0.156 261.1);

Tailwind

colors: {
  custom: {
    50: '#7888cd',
    500: '#285bb7',
    950: '#000000',
  },
}

SCSS

$custom: #285bb7;
$custom-light: #7888cd;
$custom-dark: #000000;

JSON

{
  "hex": "#285bb7",
  "rgb": {
    "r": 40,
    "g": 91,
    "b": 183
  },
  "hsl": {
    "h": 218.601,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.48968,
    "c": 0.15594,
    "h": 261.1
  },
  "luminance": 0.11352
}

Semantic roles & 50–950 ramp

primary

#285BB7

secondary

#C9AA72

accent

#AC41E7

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #285BB7

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

Preview Lab → · Contrast checker → · Palette generator →