#5170D2#5170D2

#5170D2 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.1% C 0.155 H 268.1°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#5170D2
RGB	rgb(81, 112, 210)
HSL	hsl(226, 59%, 57%)
HSV	hsv(226, 61%, 82%)
CMYK	cmyk(61.4%, 46.7%, 0%, 17.6%)
CIE-LAB	lab(49.48, 19.13, -54.05)
CIE-LCH	lch(49.48, 57.34, 289.49°)
OKLab	oklab(57.14% -0.0052 -0.1545)
OKLCH	oklch(57.14% 0.155 268.1)
XYZ	xyz(20.8164, 17.9890, 63.3355)
Luminance	0.1799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5170D2 #D2B351

analogous

#51B1D2 #5170D2 #7251D2

triadic

#5170D2 #D25170 #70D251

tetradic

#5170D2 #D251B1 #D2B351 #51D272

square

#5170D2 #D251B1 #D2B351 #51D272

split-complementary

#5170D2 #D27251 #B1D251

monochromatic

#233B86 #2F50B7 #5170D2 #8298DF #B2C0EB

Accessibility & contrast

On white

4.57

#5170D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#5170D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5170D2

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5170D2	#FFFFFF	#000000	##000000
##5170D2	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#407CD6

Deuteranopia (green-blind)

#2A70D0

Tritanopia (blue-blind)

#008697

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5170d2;
/* rgb */ color: rgb(81, 112, 210);
/* oklch */ color: oklch(57.1% 0.155 268.1);

Tailwind

colors: {
  custom: {
    50: '#8d98e0',
    500: '#5170d2',
    950: '#000000',
  },
}

SCSS

$custom: #5170d2;
$custom-light: #8d98e0;
$custom-dark: #000000;

JSON

{
  "hex": "#5170d2",
  "rgb": {
    "r": 81,
    "g": 112,
    "b": 210
  },
  "hsl": {
    "h": 225.581,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.57139,
    "c": 0.15455,
    "h": 268.1
  },
  "luminance": 0.17991
}

Semantic roles & 50–950 ramp

primary

#5170D2

secondary

#DACDA5

accent

#BD46E2

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #5170D2

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

Preview Lab → · Contrast checker → · Palette generator →