#515EC7#515EC7

#515EC7 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.8% C 0.162 H 274.1°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#515EC7
RGB	rgb(81, 94, 199)
HSL	hsl(233, 51%, 55%)
HSV	hsv(233, 59%, 78%)
CMYK	cmyk(59.3%, 52.8%, 0%, 22%)
CIE-LAB	lab(44.06, 26.67, -56.47)
CIE-LCH	lch(44.06, 62.46, 295.28°)
OKLab	oklab(52.8% 0.0117 -0.1618)
OKLCH	oklch(52.8% 0.162 274.1)
XYZ	xyz(17.7015, 13.8769, 55.7675)
Luminance	0.1388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515EC7 #C7BA51

analogous

#5199C7 #515EC7 #7F51C7

triadic

#515EC7 #C7515E #5EC751

tetradic

#515EC7 #C75199 #C7BA51 #51C77F

square

#515EC7 #C75199 #C7BA51 #51C77F

split-complementary

#515EC7 #C77F51 #99C751

monochromatic

#262F77 #3542A6 #515EC7 #7F89D6 #AEB4E5

Accessibility & contrast

On white

5.56

#515EC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#515EC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515EC7

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515EC7	#FFFFFF	#000000	##FFFFFF
##515EC7	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F6DCB

Deuteranopia (green-blind)

#0063C5

Tritanopia (blue-blind)

#007689

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #515ec7;
/* rgb */ color: rgb(81, 94, 199);
/* oklch */ color: oklch(52.8% 0.162 274.1);

Tailwind

colors: {
  custom: {
    50: '#8c8bd9',
    500: '#515ec7',
    950: '#000000',
  },
}

SCSS

$custom: #515ec7;
$custom-light: #8c8bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#515ec7",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 199
  },
  "hsl": {
    "h": 233.39,
    "s": 51.304,
    "l": 54.902
  },
  "oklch": {
    "l": 0.52804,
    "c": 0.16222,
    "h": 274.1
  },
  "luminance": 0.13878
}

Semantic roles & 50–950 ramp

primary

#515EC7

secondary

#D3CDA1

accent

#CB4DDB

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #515EC7

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

Preview Lab → · Contrast checker → · Palette generator →