#285BA3#285BA3

#285BA3 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.5% C 0.128 H 257.6°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#285BA3
RGB	rgb(40, 91, 163)
HSL	hsl(215, 61%, 40%)
HSV	hsv(215, 75%, 64%)
CMYK	cmyk(75.5%, 44.2%, 0%, 36.1%)
CIE-LAB	lab(38.86, 8.85, -43.83)
CIE-LCH	lch(38.86, 44.72, 281.42°)
OKLab	oklab(47.54% -0.0276 -0.1255)
OKLCH	oklch(47.54% 0.128 257.6)
XYZ	xyz(11.2246, 10.5764, 36.0931)
Luminance	0.1058 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285BA3 #A37028

analogous

#2899A3 #285BA3 #3328A3

triadic

#285BA3 #A3285B #5BA328

tetradic

#285BA3 #A32899 #A37028 #28A333

square

#285BA3 #A32899 #A37028 #28A333

split-complementary

#285BA3 #A33328 #99A328

monochromatic

#102441 #1C4072 #285BA3 #3A77CF #6B99DB

Accessibility & contrast

On white

6.74

#285BA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#285BA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285BA3

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285BA3	#FFFFFF	#000000	##FFFFFF
##285BA3	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3762A6

Deuteranopia (green-blind)

#2056A2

Tritanopia (blue-blind)

#006C77

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #285ba3;
/* rgb */ color: rgb(40, 91, 163);
/* oklch */ color: oklch(47.5% 0.128 257.6);

Tailwind

colors: {
  custom: {
    50: '#7388bf',
    500: '#285ba3',
    950: '#000000',
  },
}

SCSS

$custom: #285ba3;
$custom-light: #7388bf;
$custom-dark: #000000;

JSON

{
  "hex": "#285ba3",
  "rgb": {
    "r": 40,
    "g": 91,
    "b": 163
  },
  "hsl": {
    "h": 215.122,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47543,
    "c": 0.12846,
    "h": 257.6
  },
  "luminance": 0.10578
}

Semantic roles & 50–950 ramp

primary

#285BA3

secondary

#C19B66

accent

#A244E4

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #285BA3

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

Preview Lab → · Contrast checker → · Palette generator →