#285DB9#285DB9

#285DB9 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.5% C 0.156 H 260.6°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#285DB9
RGB	rgb(40, 93, 185)
HSL	hsl(218, 64%, 44%)
HSV	hsv(218, 78%, 73%)
CMYK	cmyk(78.4%, 49.7%, 0%, 27.5%)
CIE-LAB	lab(40.87, 16.04, -53.59)
CIE-LCH	lch(40.87, 55.94, 286.67°)
OKLab	oklab(49.55% -0.0255 -0.1541)
OKLCH	oklch(49.55% 0.156 260.6)
XYZ	xyz(13.5432, 11.7810, 47.4497)
Luminance	0.1178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285DB9 #B98428

analogous

#28A6B9 #285DB9 #3C28B9

triadic

#285DB9 #B9285D #5DB928

tetradic

#285DB9 #B928A6 #B98428 #28B93C

square

#285DB9 #B928A6 #B98428 #28B93C

split-complementary

#285DB9 #B93C28 #A6B928

monochromatic

#122A54 #1D4487 #285DB9 #477CD7 #79A0E2

Accessibility & contrast

On white

6.26

#285DB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#285DB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285DB9

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285DB9	#FFFFFF	#000000	##FFFFFF
##285DB9	1.00	6.26	3.36	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2667BC

Deuteranopia (green-blind)

#005AB7

Tritanopia (blue-blind)

#007382

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #285db9;
/* rgb */ color: rgb(40, 93, 185);
/* oklch */ color: oklch(49.5% 0.156 260.6);

Tailwind

colors: {
  custom: {
    50: '#788acf',
    500: '#285db9',
    950: '#000000',
  },
}

SCSS

$custom: #285db9;
$custom-light: #788acf;
$custom-dark: #000000;

JSON

{
  "hex": "#285db9",
  "rgb": {
    "r": 40,
    "g": 93,
    "b": 185
  },
  "hsl": {
    "h": 218.069,
    "s": 64.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.49548,
    "c": 0.15623,
    "h": 260.6
  },
  "luminance": 0.11783
}

Semantic roles & 50–950 ramp

primary

#285DB9

secondary

#CAAA73

accent

#AA40E7

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #285DB9

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

Preview Lab → · Contrast checker → · Palette generator →