#285CBA#285CBA

#285CBA is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.4% C 0.159 H 261.1°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#285CBA
RGB	rgb(40, 92, 186)
HSL	hsl(219, 65%, 44%)
HSV	hsv(219, 78%, 73%)
CMYK	cmyk(78.5%, 50.5%, 0%, 27.1%)
CIE-LAB	lab(40.65, 17.08, -54.52)
CIE-LCH	lch(40.65, 57.13, 287.40°)
OKLab	oklab(49.41% -0.0246 -0.1569)
OKLCH	oklch(49.41% 0.159 261.1)
XYZ	xyz(13.5619, 11.6490, 47.9786)
Luminance	0.1165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285CBA #BA8628

analogous

#28A5BA #285CBA #3D28BA

triadic

#285CBA #BA285C #5CBA28

tetradic

#285CBA #BA28A5 #BA8628 #28BA3D

square

#285CBA #BA28A5 #BA8628 #28BA3D

split-complementary

#285CBA #BA3D28 #A5BA28

monochromatic

#122A55 #1D4388 #285CBA #487BD8 #7A9FE2

Accessibility & contrast

On white

6.31

#285CBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#285CBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285CBA

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285CBA	#FFFFFF	#000000	##FFFFFF
##285CBA	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2167BD

Deuteranopia (green-blind)

#005AB8

Tritanopia (blue-blind)

#007382

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #285cba;
/* rgb */ color: rgb(40, 92, 186);
/* oklch */ color: oklch(49.4% 0.159 261.1);

Tailwind

colors: {
  custom: {
    50: '#7889cf',
    500: '#285cba',
    950: '#000000',
  },
}

SCSS

$custom: #285cba;
$custom-light: #7889cf;
$custom-dark: #000000;

JSON

{
  "hex": "#285cba",
  "rgb": {
    "r": 40,
    "g": 92,
    "b": 186
  },
  "hsl": {
    "h": 218.63,
    "s": 64.602,
    "l": 44.314
  },
  "oklch": {
    "l": 0.49407,
    "c": 0.1588,
    "h": 261.1
  },
  "luminance": 0.11651
}

Semantic roles & 50–950 ramp

primary

#285CBA

secondary

#CAAB73

accent

#AC40E8

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #285CBA

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

Preview Lab → · Contrast checker → · Palette generator →