#515EC0#515EC0

#515EC0 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.3% C 0.152 H 274.2°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#515EC0
RGB	rgb(81, 94, 192)
HSL	hsl(233, 47%, 54%)
HSV	hsv(233, 58%, 75%)
CMYK	cmyk(57.8%, 51%, 0%, 24.7%)
CIE-LAB	lab(43.59, 24.33, -53.17)
CIE-LCH	lch(43.59, 58.47, 294.59°)
OKLab	oklab(52.31% 0.0112 -0.1521)
OKLCH	oklch(52.31% 0.152 274.2)
XYZ	xyz(16.9074, 13.5593, 51.5852)
Luminance	0.1356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515EC0 #C0B351

analogous

#5195C0 #515EC0 #7B51C0

triadic

#515EC0 #C0515E #5EC051

tetradic

#515EC0 #C05195 #C0B351 #51C07B

square

#515EC0 #C05195 #C0B351 #51C07B

split-complementary

#515EC0 #C07B51 #95C051

monochromatic

#28306F #38449B #515EC0 #7E88D0 #ABB1E1

Accessibility & contrast

On white

5.66

#515EC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#515EC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515EC0

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515EC0	#FFFFFF	#000000	##FFFFFF
##515EC0	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#296CC3

Deuteranopia (green-blind)

#1362BE

Tritanopia (blue-blind)

#027486

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #515ec0;
/* rgb */ color: rgb(81, 94, 192);
/* oklch */ color: oklch(52.3% 0.152 274.2);

Tailwind

colors: {
  custom: {
    50: '#8b8bd4',
    500: '#515ec0',
    950: '#000000',
  },
}

SCSS

$custom: #515ec0;
$custom-light: #8b8bd4;
$custom-dark: #000000;

JSON

{
  "hex": "#515ec0",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 192
  },
  "hsl": {
    "h": 232.973,
    "s": 46.835,
    "l": 53.529
  },
  "oklch": {
    "l": 0.52308,
    "c": 0.15247,
    "h": 274.2
  },
  "luminance": 0.13561
}

Semantic roles & 50–950 ramp

primary

#515EC0

secondary

#CEC99F

accent

#C751D6

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C14

muted

#7E7D83

Preview Lab

Preview with #515EC0

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

Preview Lab → · Contrast checker → · Palette generator →