#5183D2#5183D2

#5183D2 is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.2% C 0.132 H 259.2°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#5183D2
RGB	rgb(81, 131, 210)
HSL	hsl(217, 59%, 57%)
HSV	hsv(217, 61%, 82%)
CMYK	cmyk(61.4%, 37.6%, 0%, 17.6%)
CIE-LAB	lab(54.69, 7.49, -45.75)
CIE-LCH	lch(54.69, 46.36, 279.30°)
OKLab	oklab(61.15% -0.0248 -0.1299)
OKLCH	oklch(61.15% 0.132 259.2)
XYZ	xyz(23.1384, 22.6330, 64.1095)
Luminance	0.2263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5183D2 #D2A051

analogous

#51C4D2 #5183D2 #6051D2

triadic

#5183D2 #D25183 #83D251

tetradic

#5183D2 #D251C4 #D2A051 #51D260

square

#5183D2 #D251C4 #D2A051 #51D260

split-complementary

#5183D2 #D26051 #C4D251

monochromatic

#234986 #2F64B7 #5183D2 #82A6DF #B2C8EB

Accessibility & contrast

On white

3.80

#5183D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#5183D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5183D2

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5183D2	#FFFFFF	#000000	##000000
##5183D2	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6189D5

Deuteranopia (green-blind)

#4F7DD0

Tritanopia (blue-blind)

#0095A0

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5183d2;
/* rgb */ color: rgb(81, 131, 210);
/* oklch */ color: oklch(61.2% 0.132 259.2);

Tailwind

colors: {
  custom: {
    50: '#8da6e0',
    500: '#5183d2',
    950: '#000000',
  },
}

SCSS

$custom: #5183d2;
$custom-light: #8da6e0;
$custom-dark: #000000;

JSON

{
  "hex": "#5183d2",
  "rgb": {
    "r": 81,
    "g": 131,
    "b": 210
  },
  "hsl": {
    "h": 216.744,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.61153,
    "c": 0.1322,
    "h": 259.2
  },
  "luminance": 0.22635
}

Semantic roles & 50–950 ramp

primary

#5183D2

secondary

#DAC5A5

accent

#A546E2

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5183D2

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

Preview Lab → · Contrast checker → · Palette generator →