#285AAB#285AAB

#285AAB is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.9% C 0.141 H 259.7°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#285AAB
RGB	rgb(40, 90, 171)
HSL	hsl(217, 62%, 41%)
HSV	hsv(217, 77%, 67%)
CMYK	cmyk(76.6%, 47.4%, 0%, 32.9%)
CIE-LAB	lab(39.07, 12.60, -48.24)
CIE-LCH	lch(39.07, 49.85, 284.64°)
OKLab	oklab(47.88% -0.0252 -0.1384)
OKLCH	oklch(47.88% 0.141 259.7)
XYZ	xyz(11.8793, 10.7024, 39.9599)
Luminance	0.1070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285AAB #AB7928

analogous

#289CAB #285AAB #3828AB

triadic

#285AAB #AB285A #5AAB28

tetradic

#285AAB #AB289C #AB7928 #28AB38

square

#285AAB #AB289C #AB7928 #28AB38

split-complementary

#285AAB #AB3828 #9CAB28

monochromatic

#112648 #1C4079 #285AAB #3E77D2 #709ADE

Accessibility & contrast

On white

6.69

#285AAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#285AAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285AAB

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285AAB	#FFFFFF	#000000	##FFFFFF
##285AAB	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E62AE

Deuteranopia (green-blind)

#0A56A9

Tritanopia (blue-blind)

#006D7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #285aab;
/* rgb */ color: rgb(40, 90, 171);
/* oklch */ color: oklch(47.9% 0.141 259.7);

Tailwind

colors: {
  custom: {
    50: '#7588c4',
    500: '#285aab',
    950: '#000000',
  },
}

SCSS

$custom: #285aab;
$custom-light: #7588c4;
$custom-dark: #000000;

JSON

{
  "hex": "#285aab",
  "rgb": {
    "r": 40,
    "g": 90,
    "b": 171
  },
  "hsl": {
    "h": 217.099,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.47875,
    "c": 0.14072,
    "h": 259.7
  },
  "luminance": 0.10704
}

Semantic roles & 50–950 ramp

primary

#285AAB

secondary

#C4A26A

accent

#A743E5

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #285AAB

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

Preview Lab → · Contrast checker → · Palette generator →