#285BBA#285BBA

#285BBA is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.2% C 0.160 H 261.4°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#285BBA
RGB	rgb(40, 91, 186)
HSL	hsl(219, 65%, 44%)
HSV	hsv(219, 78%, 73%)
CMYK	cmyk(78.5%, 51.1%, 0%, 27.1%)
CIE-LAB	lab(40.37, 17.74, -54.97)
CIE-LCH	lch(40.37, 57.76, 287.88°)
OKLab	oklab(49.19% -0.0238 -0.1582)
OKLCH	oklch(49.19% 0.16 261.4)
XYZ	xyz(13.4759, 11.4769, 47.9499)
Luminance	0.1148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285BBA #BA8728

analogous

#28A4BA #285BBA #3E28BA

triadic

#285BBA #BA285B #5BBA28

tetradic

#285BBA #BA28A4 #BA8728 #28BA3E

square

#285BBA #BA28A4 #BA8728 #28BA3E

split-complementary

#285BBA #BA3E28 #A4BA28

monochromatic

#122A55 #1D4288 #285BBA #487AD8 #7A9EE2

Accessibility & contrast

On white

6.37

#285BBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#285BBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285BBA

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285BBA	#FFFFFF	#000000	##FFFFFF
##285BBA	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E66BD

Deuteranopia (green-blind)

#0059B8

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #285bba;
/* rgb */ color: rgb(40, 91, 186);
/* oklch */ color: oklch(49.2% 0.160 261.4);

Tailwind

colors: {
  custom: {
    50: '#7888cf',
    500: '#285bba',
    950: '#000000',
  },
}

SCSS

$custom: #285bba;
$custom-light: #7888cf;
$custom-dark: #000000;

JSON

{
  "hex": "#285bba",
  "rgb": {
    "r": 40,
    "g": 91,
    "b": 186
  },
  "hsl": {
    "h": 219.041,
    "s": 64.602,
    "l": 44.314
  },
  "oklch": {
    "l": 0.49193,
    "c": 0.16002,
    "h": 261.4
  },
  "luminance": 0.11478
}

Semantic roles & 50–950 ramp

primary

#285BBA

secondary

#CAAC73

accent

#AD40E8

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #285BBA

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

Preview Lab → · Contrast checker → · Palette generator →