#515DC0#515DC0

#515DC0 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.1% C 0.154 H 274.6°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#515DC0
RGB	rgb(81, 93, 192)
HSL	hsl(234, 47%, 54%)
HSV	hsv(234, 58%, 75%)
CMYK	cmyk(57.8%, 51.6%, 0%, 24.7%)
CIE-LAB	lab(43.33, 24.96, -53.58)
CIE-LCH	lch(43.33, 59.11, 294.98°)
OKLab	oklab(52.11% 0.0122 -0.1533)
OKLCH	oklch(52.11% 0.154 274.6)
XYZ	xyz(16.8190, 13.3826, 51.5557)
Luminance	0.1338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515DC0 #C0B451

analogous

#5194C0 #515DC0 #7C51C0

triadic

#515DC0 #C0515D #5DC051

tetradic

#515DC0 #C05194 #C0B451 #51C07C

square

#515DC0 #C05194 #C0B451 #51C07C

split-complementary

#515DC0 #C07C51 #94C051

monochromatic

#28306F #38439B #515DC0 #7E87D0 #ABB1E1

Accessibility & contrast

On white

5.71

#515DC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#515DC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515DC0

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515DC0	#FFFFFF	#000000	##FFFFFF
##515DC0	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#266BC4

Deuteranopia (green-blind)

#0E62BE

Tritanopia (blue-blind)

#027485

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #515dc0;
/* rgb */ color: rgb(81, 93, 192);
/* oklch */ color: oklch(52.1% 0.154 274.6);

Tailwind

colors: {
  custom: {
    50: '#8b8ad4',
    500: '#515dc0',
    950: '#000000',
  },
}

SCSS

$custom: #515dc0;
$custom-light: #8b8ad4;
$custom-dark: #000000;

JSON

{
  "hex": "#515dc0",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 192
  },
  "hsl": {
    "h": 233.514,
    "s": 46.835,
    "l": 53.529
  },
  "oklch": {
    "l": 0.52112,
    "c": 0.15379,
    "h": 274.6
  },
  "luminance": 0.13384
}

Semantic roles & 50–950 ramp

primary

#515DC0

secondary

#CEC99F

accent

#C851D6

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #515DC0

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

Preview Lab → · Contrast checker → · Palette generator →