#5186D3#5186D3

#5186D3 is a mid, vivid blue. Relative luminance 0.235; OKLCH L 61.9% C 0.130 H 257.7°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#5186D3
RGB	rgb(81, 134, 211)
HSL	hsl(216, 60%, 57%)
HSV	hsv(216, 62%, 83%)
CMYK	cmyk(61.6%, 36.5%, 0%, 17.3%)
CIE-LAB	lab(55.58, 6.03, -44.90)
CIE-LCH	lch(55.58, 45.30, 277.65°)
OKLab	oklab(61.86% -0.0277 -0.1273)
OKLCH	oklch(61.86% 0.13 257.7)
XYZ	xyz(23.6721, 23.5005, 64.9039)
Luminance	0.2350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5186D3 #D39E51

analogous

#51C7D3 #5186D3 #5D51D3

triadic

#5186D3 #D35186 #86D351

tetradic

#5186D3 #D351C7 #D39E51 #51D35D

square

#5186D3 #D351C7 #D39E51 #51D35D

split-complementary

#5186D3 #D35D51 #C7D351

monochromatic

#224B87 #2F67B8 #5186D3 #82A8DF #B3CAEC

Accessibility & contrast

On white

3.68

#5186D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#5186D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5186D3

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5186D3	#FFFFFF	#000000	##000000
##5186D3	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#658CD6

Deuteranopia (green-blind)

#5380D1

Tritanopia (blue-blind)

#0097A2

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #5186d3;
/* rgb */ color: rgb(81, 134, 211);
/* oklch */ color: oklch(61.9% 0.130 257.7);

Tailwind

colors: {
  custom: {
    50: '#8da8e1',
    500: '#5186d3',
    950: '#000000',
  },
}

SCSS

$custom: #5186d3;
$custom-light: #8da8e1;
$custom-dark: #000000;

JSON

{
  "hex": "#5186d3",
  "rgb": {
    "r": 81,
    "g": 134,
    "b": 211
  },
  "hsl": {
    "h": 215.538,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.61863,
    "c": 0.13032,
    "h": 257.7
  },
  "luminance": 0.23503
}

Semantic roles & 50–950 ramp

primary

#5186D3

secondary

#DAC5A6

accent

#A245E3

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5186D3

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

Preview Lab → · Contrast checker → · Palette generator →