#5170DA#5170DA

#5170DA is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.7% C 0.166 H 268.5°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#5170DA
RGB	rgb(81, 112, 218)
HSL	hsl(226, 65%, 59%)
HSV	hsv(226, 63%, 85%)
CMYK	cmyk(62.8%, 48.6%, 0%, 14.5%)
CIE-LAB	lab(49.98, 21.87, -57.80)
CIE-LCH	lch(49.98, 61.80, 290.72°)
OKLab	oklab(57.67% -0.0042 -0.1655)
OKLCH	oklch(57.67% 0.166 268.5)
XYZ	xyz(21.8381, 18.3977, 68.7163)
Luminance	0.1840 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5170DA #DABB51

analogous

#51B5DA #5170DA #7651DA

triadic

#5170DA #DA5170 #70DA51

tetradic

#5170DA #DA51B5 #DABB51 #51DA76

square

#5170DA #DA51B5 #DABB51 #51DA76

split-complementary

#5170DA #DA7651 #B5DA51

monochromatic

#1F3992 #2A4DC4 #5170DA #8399E5 #B6C3EF

Accessibility & contrast

On white

4.49

#5170DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#5170DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5170DA

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5170DA	#FFFFFF	#000000	##000000
##5170DA	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#387DDE

Deuteranopia (green-blind)

#1971D8

Tritanopia (blue-blind)

#00889B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5170da;
/* rgb */ color: rgb(81, 112, 218);
/* oklch */ color: oklch(57.7% 0.166 268.5);

Tailwind

colors: {
  custom: {
    50: '#8f98e6',
    500: '#5170da',
    950: '#000000',
  },
}

SCSS

$custom: #5170da;
$custom-light: #8f98e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5170da",
  "rgb": {
    "r": 81,
    "g": 112,
    "b": 218
  },
  "hsl": {
    "h": 226.423,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.57673,
    "c": 0.16554,
    "h": 268.5
  },
  "luminance": 0.184
}

Semantic roles & 50–950 ramp

primary

#5170DA

secondary

#DED2A8

accent

#C240E8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #5170DA

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

Preview Lab → · Contrast checker → · Palette generator →