#285AA3#285AA3

#285AA3 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.3% C 0.130 H 258.1°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#285AA3
RGB	rgb(40, 90, 163)
HSL	hsl(216, 61%, 40%)
HSV	hsv(216, 75%, 64%)
CMYK	cmyk(75.5%, 44.8%, 0%, 36.1%)
CIE-LAB	lab(38.56, 9.51, -44.31)
CIE-LCH	lch(38.56, 45.31, 282.11°)
OKLab	oklab(47.32% -0.0267 -0.1269)
OKLCH	oklch(47.32% 0.13 258.1)
XYZ	xyz(11.1397, 10.4065, 36.0648)
Luminance	0.1041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285AA3 #A37128

analogous

#2897A3 #285AA3 #3428A3

triadic

#285AA3 #A3285A #5AA328

tetradic

#285AA3 #A32897 #A37128 #28A334

square

#285AA3 #A32897 #A37128 #28A334

split-complementary

#285AA3 #A33428 #97A328

monochromatic

#102441 #1C3F72 #285AA3 #3A76CF #6B98DB

Accessibility & contrast

On white

6.81

#285AA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#285AA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285AA3

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285AA3	#FFFFFF	#000000	##FFFFFF
##285AA3	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3561A6

Deuteranopia (green-blind)

#1D56A2

Tritanopia (blue-blind)

#006B76

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #285aa3;
/* rgb */ color: rgb(40, 90, 163);
/* oklch */ color: oklch(47.3% 0.130 258.1);

Tailwind

colors: {
  custom: {
    50: '#7388bf',
    500: '#285aa3',
    950: '#000000',
  },
}

SCSS

$custom: #285aa3;
$custom-light: #7388bf;
$custom-dark: #000000;

JSON

{
  "hex": "#285aa3",
  "rgb": {
    "r": 40,
    "g": 90,
    "b": 163
  },
  "hsl": {
    "h": 215.61,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47315,
    "c": 0.12965,
    "h": 258.1
  },
  "luminance": 0.10408
}

Semantic roles & 50–950 ramp

primary

#285AA3

secondary

#C19C66

accent

#A344E4

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #285AA3

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

Preview Lab → · Contrast checker → · Palette generator →