#285DAB#285DAB

#285DAB is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.5% C 0.137 H 258.3°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#285DAB
RGB	rgb(40, 93, 171)
HSL	hsl(216, 62%, 41%)
HSV	hsv(216, 77%, 67%)
CMYK	cmyk(76.6%, 45.6%, 0%, 32.9%)
CIE-LAB	lab(39.95, 10.64, -46.84)
CIE-LCH	lch(39.95, 48.03, 282.80°)
OKLab	oklab(48.55% -0.0278 -0.1343)
OKLCH	oklch(48.55% 0.137 258.3)
XYZ	xyz(12.1374, 11.2187, 40.0459)
Luminance	0.1122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285DAB #AB7628

analogous

#289FAB #285DAB #3528AB

triadic

#285DAB #AB285D #5DAB28

tetradic

#285DAB #AB289F #AB7628 #28AB35

square

#285DAB #AB289F #AB7628 #28AB35

split-complementary

#285DAB #AB3528 #9FAB28

monochromatic

#112748 #1C4279 #285DAB #3E7AD2 #709CDE

Accessibility & contrast

On white

6.47

#285DAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#285DAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285DAB

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285DAB	#FFFFFF	#000000	##FFFFFF
##285DAB	1.00	6.47	3.24	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3565AE

Deuteranopia (green-blind)

#1859A9

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #285dab;
/* rgb */ color: rgb(40, 93, 171);
/* oklch */ color: oklch(48.5% 0.137 258.3);

Tailwind

colors: {
  custom: {
    50: '#758ac4',
    500: '#285dab',
    950: '#000000',
  },
}

SCSS

$custom: #285dab;
$custom-light: #758ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#285dab",
  "rgb": {
    "r": 40,
    "g": 93,
    "b": 171
  },
  "hsl": {
    "h": 215.725,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.48547,
    "c": 0.13711,
    "h": 258.3
  },
  "luminance": 0.1122
}

Semantic roles & 50–950 ramp

primary

#285DAB

secondary

#C4A06A

accent

#A343E5

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #285DAB

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

Preview Lab → · Contrast checker → · Palette generator →