#515AC6#515AC6

#515AC6 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.0% C 0.166 H 275.4°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#515AC6
RGB	rgb(81, 90, 198)
HSL	hsl(235, 51%, 55%)
HSV	hsv(235, 59%, 78%)
CMYK	cmyk(59.1%, 54.5%, 0%, 22.4%)
CIE-LAB	lab(42.97, 28.85, -57.65)
CIE-LCH	lch(42.97, 64.46, 296.58°)
OKLab	oklab(51.97% 0.0157 -0.1653)
OKLCH	oklch(51.97% 0.166 275.4)
XYZ	xyz(17.2392, 13.1376, 55.0425)
Luminance	0.1314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515AC6 #C6BD51

analogous

#5194C6 #515AC6 #8351C6

triadic

#515AC6 #C6515A #5AC651

tetradic

#515AC6 #C65194 #C6BD51 #51C683

square

#515AC6 #C65194 #C6BD51 #51C683

split-complementary

#515AC6 #C68351 #94C651

monochromatic

#272D76 #363EA4 #515AC6 #7F86D5 #ADB1E4

Accessibility & contrast

On white

5.79

#515AC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#515AC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515AC6

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515AC6	#FFFFFF	#000000	##FFFFFF
##515AC6	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E6BCA

Deuteranopia (green-blind)

#0061C4

Tritanopia (blue-blind)

#007387

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #515ac6;
/* rgb */ color: rgb(81, 90, 198);
/* oklch */ color: oklch(52.0% 0.166 275.4);

Tailwind

colors: {
  custom: {
    50: '#8c88d8',
    500: '#515ac6',
    950: '#000000',
  },
}

SCSS

$custom: #515ac6;
$custom-light: #8c88d8;
$custom-dark: #000000;

JSON

{
  "hex": "#515ac6",
  "rgb": {
    "r": 81,
    "g": 90,
    "b": 198
  },
  "hsl": {
    "h": 235.385,
    "s": 50.649,
    "l": 54.706
  },
  "oklch": {
    "l": 0.51968,
    "c": 0.16604,
    "h": 275.4
  },
  "luminance": 0.13139
}

Semantic roles & 50–950 ramp

primary

#515AC6

secondary

#D2CEA1

accent

#CF4EDA

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515AC6

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

Preview Lab → · Contrast checker → · Palette generator →