#285EB9#285EB9

#285EB9 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.8% C 0.155 H 260.2°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#285EB9
RGB	rgb(40, 94, 185)
HSL	hsl(218, 64%, 44%)
HSV	hsv(218, 78%, 73%)
CMYK	cmyk(78.4%, 49.2%, 0%, 27.5%)
CIE-LAB	lab(41.15, 15.39, -53.13)
CIE-LCH	lch(41.15, 55.31, 286.16°)
OKLab	oklab(49.77% -0.0263 -0.1528)
OKLCH	oklch(49.77% 0.155 260.2)
XYZ	xyz(13.6316, 11.9577, 47.4792)
Luminance	0.1196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285EB9 #B98328

analogous

#28A7B9 #285EB9 #3B28B9

triadic

#285EB9 #B9285E #5EB928

tetradic

#285EB9 #B928A7 #B98328 #28B93B

square

#285EB9 #B928A7 #B98328 #28B93B

split-complementary

#285EB9 #B93B28 #A7B928

monochromatic

#122B54 #1D4487 #285EB9 #477DD7 #79A0E2

Accessibility & contrast

On white

6.19

#285EB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#285EB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285EB9

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285EB9	#FFFFFF	#000000	##FFFFFF
##285EB9	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2868BC

Deuteranopia (green-blind)

#005BB7

Tritanopia (blue-blind)

#007482

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #285eb9;
/* rgb */ color: rgb(40, 94, 185);
/* oklch */ color: oklch(49.8% 0.155 260.2);

Tailwind

colors: {
  custom: {
    50: '#788bcf',
    500: '#285eb9',
    950: '#000000',
  },
}

SCSS

$custom: #285eb9;
$custom-light: #788bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#285eb9",
  "rgb": {
    "r": 40,
    "g": 94,
    "b": 185
  },
  "hsl": {
    "h": 217.655,
    "s": 64.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.49765,
    "c": 0.15501,
    "h": 260.2
  },
  "luminance": 0.11959
}

Semantic roles & 50–950 ramp

primary

#285EB9

secondary

#CAAA73

accent

#A940E7

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #285EB9

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

Preview Lab → · Contrast checker → · Palette generator →