#5186D2#5186D2

#5186D2 is a mid, vivid blue. Relative luminance 0.235; OKLCH L 61.8% C 0.129 H 257.5°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#5186D2
RGB	rgb(81, 134, 210)
HSL	hsl(215, 59%, 57%)
HSV	hsv(215, 61%, 82%)
CMYK	cmyk(61.4%, 36.2%, 0%, 17.6%)
CIE-LAB	lab(55.53, 5.70, -44.41)
CIE-LCH	lch(55.53, 44.78, 277.31°)
OKLab	oklab(61.81% -0.0279 -0.1259)
OKLCH	oklch(61.81% 0.129 257.5)
XYZ	xyz(23.5472, 23.4505, 64.2458)
Luminance	0.2345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5186D2 #D29D51

analogous

#51C6D2 #5186D2 #5D51D2

triadic

#5186D2 #D25186 #86D251

tetradic

#5186D2 #D251C6 #D29D51 #51D25D

square

#5186D2 #D251C6 #D29D51 #51D25D

split-complementary

#5186D2 #D25D51 #C6D251

monochromatic

#234B86 #2F67B7 #5186D2 #82A8DF #B2CAEB

Accessibility & contrast

On white

3.69

#5186D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#5186D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5186D2

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5186D2	#FFFFFF	#000000	##000000
##5186D2	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#658CD5

Deuteranopia (green-blind)

#547FD0

Tritanopia (blue-blind)

#0097A2

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #5186d2;
/* rgb */ color: rgb(81, 134, 210);
/* oklch */ color: oklch(61.8% 0.129 257.5);

Tailwind

colors: {
  custom: {
    50: '#8da8e0',
    500: '#5186d2',
    950: '#000000',
  },
}

SCSS

$custom: #5186d2;
$custom-light: #8da8e0;
$custom-dark: #000000;

JSON

{
  "hex": "#5186d2",
  "rgb": {
    "r": 81,
    "g": 134,
    "b": 210
  },
  "hsl": {
    "h": 215.349,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.61807,
    "c": 0.12899,
    "h": 257.5
  },
  "luminance": 0.23453
}

Semantic roles & 50–950 ramp

primary

#5186D2

secondary

#DAC4A5

accent

#A246E2

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5186D2

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

Preview Lab → · Contrast checker → · Palette generator →