#285DAE#285DAE

#285DAE is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.8% C 0.141 H 258.9°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#285DAE
RGB	rgb(40, 93, 174)
HSL	hsl(216, 63%, 42%)
HSV	hsv(216, 77%, 68%)
CMYK	cmyk(77%, 46.6%, 0%, 31.8%)
CIE-LAB	lab(40.14, 11.80, -48.30)
CIE-LCH	lch(40.14, 49.72, 283.72°)
OKLab	oklab(48.76% -0.0272 -0.1386)
OKLCH	oklch(48.76% 0.141 258.9)
XYZ	xyz(12.4266, 11.3344, 41.5690)
Luminance	0.1134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285DAE #AE7928

analogous

#28A0AE #285DAE #3628AE

triadic

#285DAE #AE285D #5DAE28

tetradic

#285DAE #AE28A0 #AE7928 #28AE36

square

#285DAE #AE28A0 #AE7928 #28AE36

split-complementary

#285DAE #AE3628 #A0AE28

monochromatic

#11284A #1D427C #285DAE #407AD3 #729DDF

Accessibility & contrast

On white

6.43

#285DAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#285DAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285DAE

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285DAE	#FFFFFF	#000000	##FFFFFF
##285DAE	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3265B1

Deuteranopia (green-blind)

#1159AC

Tritanopia (blue-blind)

#00707D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #285dae;
/* rgb */ color: rgb(40, 93, 174);
/* oklch */ color: oklch(48.8% 0.141 258.9);

Tailwind

colors: {
  custom: {
    50: '#768ac7',
    500: '#285dae',
    950: '#000000',
  },
}

SCSS

$custom: #285dae;
$custom-light: #768ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#285dae",
  "rgb": {
    "r": 40,
    "g": 93,
    "b": 174
  },
  "hsl": {
    "h": 216.269,
    "s": 62.617,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48756,
    "c": 0.14122,
    "h": 258.9
  },
  "luminance": 0.11336
}

Semantic roles & 50–950 ramp

primary

#285DAE

secondary

#C6A26C

accent

#A542E6

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #285DAE

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

Preview Lab → · Contrast checker → · Palette generator →