#515FC6#515FC6

#515FC6 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.9% C 0.160 H 273.8°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#515FC6
RGB	rgb(81, 95, 198)
HSL	hsl(233, 51%, 55%)
HSV	hsv(233, 59%, 78%)
CMYK	cmyk(59.1%, 52%, 0%, 22.4%)
CIE-LAB	lab(44.25, 25.71, -55.59)
CIE-LCH	lch(44.25, 61.25, 294.82°)
OKLab	oklab(52.93% 0.0107 -0.1592)
OKLCH	oklch(52.93% 0.16 273.8)
XYZ	xyz(17.6753, 14.0096, 55.1878)
Luminance	0.1401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FC6 #C6B851

analogous

#5199C6 #515FC6 #7E51C6

triadic

#515FC6 #C6515F #5FC651

tetradic

#515FC6 #C65199 #C6B851 #51C67E

square

#515FC6 #C65199 #C6B851 #51C67E

split-complementary

#515FC6 #C67E51 #99C651

monochromatic

#273076 #3643A4 #515FC6 #7F89D5 #ADB4E4

Accessibility & contrast

On white

5.52

#515FC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#515FC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FC6

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FC6	#FFFFFF	#000000	##FFFFFF
##515FC6	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#246ECA

Deuteranopia (green-blind)

#0064C4

Tritanopia (blue-blind)

#007789

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #515fc6;
/* rgb */ color: rgb(81, 95, 198);
/* oklch */ color: oklch(52.9% 0.160 273.8);

Tailwind

colors: {
  custom: {
    50: '#8c8cd8',
    500: '#515fc6',
    950: '#000000',
  },
}

SCSS

$custom: #515fc6;
$custom-light: #8c8cd8;
$custom-dark: #000000;

JSON

{
  "hex": "#515fc6",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 198
  },
  "hsl": {
    "h": 232.821,
    "s": 50.649,
    "l": 54.706
  },
  "oklch": {
    "l": 0.52926,
    "c": 0.15954,
    "h": 273.8
  },
  "luminance": 0.14011
}

Semantic roles & 50–950 ramp

primary

#515FC6

secondary

#D2CCA1

accent

#C94EDA

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C14

muted

#7E7D83

Preview Lab

Preview with #515FC6

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

Preview Lab → · Contrast checker → · Palette generator →