#285BA5#285BA5

#285BA5 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.7% C 0.131 H 258.0°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#285BA5
RGB	rgb(40, 91, 165)
HSL	hsl(216, 61%, 40%)
HSV	hsv(216, 76%, 65%)
CMYK	cmyk(75.8%, 44.8%, 0%, 35.3%)
CIE-LAB	lab(38.98, 9.63, -44.82)
CIE-LCH	lch(38.98, 45.85, 282.12°)
OKLab	oklab(47.68% -0.0272 -0.1284)
OKLCH	oklch(47.68% 0.131 258)
XYZ	xyz(11.4052, 10.6486, 37.0443)
Luminance	0.1065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285BA5 #A57228

analogous

#289AA5 #285BA5 #3328A5

triadic

#285BA5 #A5285B #5BA528

tetradic

#285BA5 #A5289A #A57228 #28A533

square

#285BA5 #A5289A #A57228 #28A533

split-complementary

#285BA5 #A53328 #9AA528

monochromatic

#102542 #1C4074 #285BA5 #3B77CF #6C99DB

Accessibility & contrast

On white

6.71

#285BA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#285BA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285BA5

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285BA5	#FFFFFF	#000000	##FFFFFF
##285BA5	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3662A8

Deuteranopia (green-blind)

#1D56A4

Tritanopia (blue-blind)

#006C78

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #285ba5;
/* rgb */ color: rgb(40, 91, 165);
/* oklch */ color: oklch(47.7% 0.131 258.0);

Tailwind

colors: {
  custom: {
    50: '#7488c0',
    500: '#285ba5',
    950: '#000000',
  },
}

SCSS

$custom: #285ba5;
$custom-light: #7488c0;
$custom-dark: #000000;

JSON

{
  "hex": "#285ba5",
  "rgb": {
    "r": 40,
    "g": 91,
    "b": 165
  },
  "hsl": {
    "h": 215.52,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.4768,
    "c": 0.13123,
    "h": 258
  },
  "luminance": 0.1065
}

Semantic roles & 50–950 ramp

primary

#285BA5

secondary

#C29D67

accent

#A344E4

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #285BA5

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

Preview Lab → · Contrast checker → · Palette generator →