#515CC6#515CC6

#515CC6 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.3% C 0.163 H 274.8°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#515CC6
RGB	rgb(81, 92, 198)
HSL	hsl(234, 51%, 55%)
HSV	hsv(234, 59%, 78%)
CMYK	cmyk(59.1%, 53.5%, 0%, 22.4%)
CIE-LAB	lab(43.48, 27.59, -56.83)
CIE-LCH	lch(43.48, 63.18, 295.90°)
OKLab	oklab(52.35% 0.0137 -0.1629)
OKLCH	oklch(52.35% 0.163 274.8)
XYZ	xyz(17.4102, 13.4795, 55.0995)
Luminance	0.1348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515CC6 #C6BB51

analogous

#5197C6 #515CC6 #8151C6

triadic

#515CC6 #C6515C #5CC651

tetradic

#515CC6 #C65197 #C6BB51 #51C681

square

#515CC6 #C65197 #C6BB51 #51C681

split-complementary

#515CC6 #C68151 #97C651

monochromatic

#272E76 #3640A4 #515CC6 #7F87D5 #ADB2E4

Accessibility & contrast

On white

5.68

#515CC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#515CC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515CC6

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515CC6	#FFFFFF	#000000	##FFFFFF
##515CC6	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#196CCA

Deuteranopia (green-blind)

#0062C4

Tritanopia (blue-blind)

#007588

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #515cc6;
/* rgb */ color: rgb(81, 92, 198);
/* oklch */ color: oklch(52.3% 0.163 274.8);

Tailwind

colors: {
  custom: {
    50: '#8c8ad8',
    500: '#515cc6',
    950: '#000000',
  },
}

SCSS

$custom: #515cc6;
$custom-light: #8c8ad8;
$custom-dark: #000000;

JSON

{
  "hex": "#515cc6",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 198
  },
  "hsl": {
    "h": 234.359,
    "s": 50.649,
    "l": 54.706
  },
  "oklch": {
    "l": 0.52348,
    "c": 0.16344,
    "h": 274.8
  },
  "luminance": 0.13481
}

Semantic roles & 50–950 ramp

primary

#515CC6

secondary

#D2CDA1

accent

#CD4EDA

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #515CC6

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

Preview Lab → · Contrast checker → · Palette generator →