#5185D3#5185D3

#5185D3 is a mid, vivid blue. Relative luminance 0.232; OKLCH L 61.6% C 0.131 H 258.3°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#5185D3
RGB	rgb(81, 133, 211)
HSL	hsl(216, 60%, 57%)
HSV	hsv(216, 62%, 83%)
CMYK	cmyk(61.6%, 37%, 0%, 17.3%)
CIE-LAB	lab(55.30, 6.63, -45.34)
CIE-LCH	lch(55.30, 45.82, 278.32°)
OKLab	oklab(61.65% -0.0266 -0.1286)
OKLCH	oklch(61.65% 0.131 258.3)
XYZ	xyz(23.5346, 23.2254, 64.8581)
Luminance	0.2323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5185D3 #D39F51

analogous

#51C6D3 #5185D3 #5E51D3

triadic

#5185D3 #D35185 #85D351

tetradic

#5185D3 #D351C6 #D39F51 #51D35E

square

#5185D3 #D351C6 #D39F51 #51D35E

split-complementary

#5185D3 #D35E51 #C6D351

monochromatic

#224B87 #2F66B8 #5185D3 #82A7DF #B3C9EC

Accessibility & contrast

On white

3.72

#5185D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#5185D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5185D3

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5185D3	#FFFFFF	#000000	##000000
##5185D3	1.00	3.72	5.65	5.65
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#638BD6

Deuteranopia (green-blind)

#527FD1

Tritanopia (blue-blind)

#0097A2

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #5185d3;
/* rgb */ color: rgb(81, 133, 211);
/* oklch */ color: oklch(61.6% 0.131 258.3);

Tailwind

colors: {
  custom: {
    50: '#8da8e1',
    500: '#5185d3',
    950: '#000000',
  },
}

SCSS

$custom: #5185d3;
$custom-light: #8da8e1;
$custom-dark: #000000;

JSON

{
  "hex": "#5185d3",
  "rgb": {
    "r": 81,
    "g": 133,
    "b": 211
  },
  "hsl": {
    "h": 216,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.61645,
    "c": 0.13138,
    "h": 258.3
  },
  "luminance": 0.23228
}

Semantic roles & 50–950 ramp

primary

#5185D3

secondary

#DAC5A6

accent

#A445E3

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5185D3

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

Preview Lab → · Contrast checker → · Palette generator →