#5185CF#5185CF

#5185CF is a mid, vivid blue. Relative luminance 0.230; OKLCH L 61.4% C 0.126 H 257.3°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#5185CF
RGB	rgb(81, 133, 207)
HSL	hsl(215, 57%, 56%)
HSV	hsv(215, 61%, 81%)
CMYK	cmyk(60.9%, 35.7%, 0%, 18.8%)
CIE-LAB	lab(55.10, 5.29, -43.41)
CIE-LCH	lch(55.10, 43.73, 276.95°)
OKLab	oklab(61.42% -0.0276 -0.123)
OKLCH	oklch(61.42% 0.126 257.3)
XYZ	xyz(23.0394, 23.0273, 62.2500)
Luminance	0.2303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5185CF #CF9B51

analogous

#51C4CF #5185CF #5C51CF

triadic

#5185CF #CF5185 #85CF51

tetradic

#5185CF #CF51C4 #CF9B51 #51CF5C

square

#5185CF #CF51C4 #CF9B51 #51CF5C

split-complementary

#5185CF #CF5C51 #C4CF51

monochromatic

#244B82 #3166B2 #5185CF #81A7DC #B1C8E9

Accessibility & contrast

On white

3.75

#5185CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#5185CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5185CF

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5185CF	#FFFFFF	#000000	##000000
##5185CF	1.00	3.75	5.61	5.61
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#668AD2

Deuteranopia (green-blind)

#557ECD

Tritanopia (blue-blind)

#0096A0

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #5185cf;
/* rgb */ color: rgb(81, 133, 207);
/* oklch */ color: oklch(61.4% 0.126 257.3);

Tailwind

colors: {
  custom: {
    50: '#8ca8de',
    500: '#5185cf',
    950: '#000000',
  },
}

SCSS

$custom: #5185cf;
$custom-light: #8ca8de;
$custom-dark: #000000;

JSON

{
  "hex": "#5185cf",
  "rgb": {
    "r": 81,
    "g": 133,
    "b": 207
  },
  "hsl": {
    "h": 215.238,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.6142,
    "c": 0.12606,
    "h": 257.3
  },
  "luminance": 0.23029
}

Semantic roles & 50–950 ramp

primary

#5185CF

secondary

#D8C2A4

accent

#A148E0

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5185CF

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

Preview Lab → · Contrast checker → · Palette generator →