#285DA9#285DA9

#285DA9 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.4% C 0.134 H 257.9°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#285DA9
RGB	rgb(40, 93, 169)
HSL	hsl(215, 62%, 41%)
HSV	hsv(215, 76%, 66%)
CMYK	cmyk(76.3%, 45%, 0%, 33.7%)
CIE-LAB	lab(39.82, 9.87, -45.85)
CIE-LCH	lch(39.82, 46.90, 282.14°)
OKLab	oklab(48.41% -0.0282 -0.1314)
OKLCH	oklch(48.41% 0.134 257.9)
XYZ	xyz(11.9482, 11.1430, 39.0495)
Luminance	0.1114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285DA9 #A97428

analogous

#289DA9 #285DA9 #3428A9

triadic

#285DA9 #A9285D #5DA928

tetradic

#285DA9 #A9289D #A97428 #28A934

square

#285DA9 #A9289D #A97428 #28A934

split-complementary

#285DA9 #A93428 #9DA928

monochromatic

#112746 #1C4278 #285DA9 #3D7AD1 #6F9CDD

Accessibility & contrast

On white

6.50

#285DA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#285DA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285DA9

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285DA9	#FFFFFF	#000000	##FFFFFF
##285DA9	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3664AC

Deuteranopia (green-blind)

#1C58A7

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #285da9;
/* rgb */ color: rgb(40, 93, 169);
/* oklch */ color: oklch(48.4% 0.134 257.9);

Tailwind

colors: {
  custom: {
    50: '#748ac3',
    500: '#285da9',
    950: '#000000',
  },
}

SCSS

$custom: #285da9;
$custom-light: #748ac3;
$custom-dark: #000000;

JSON

{
  "hex": "#285da9",
  "rgb": {
    "r": 40,
    "g": 93,
    "b": 169
  },
  "hsl": {
    "h": 215.349,
    "s": 61.722,
    "l": 40.98
  },
  "oklch": {
    "l": 0.48409,
    "c": 0.13437,
    "h": 257.9
  },
  "luminance": 0.11144
}

Semantic roles & 50–950 ramp

primary

#285DA9

secondary

#C49E69

accent

#A243E5

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #285DA9

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

Preview Lab → · Contrast checker → · Palette generator →