#515CBE#515CBE

#515CBE is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.8% C 0.152 H 274.9°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#515CBE
RGB	rgb(81, 92, 190)
HSL	hsl(234, 46%, 53%)
HSV	hsv(234, 57%, 75%)
CMYK	cmyk(57.4%, 51.6%, 0%, 25.5%)
CIE-LAB	lab(42.94, 24.92, -53.05)
CIE-LCH	lch(42.94, 58.61, 295.16°)
OKLab	oklab(51.78% 0.0131 -0.1517)
OKLCH	oklch(51.78% 0.152 274.9)
XYZ	xyz(16.5117, 13.1201, 50.3676)
Luminance	0.1312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515CBE #BEB351

analogous

#5192BE #515CBE #7C51BE

triadic

#515CBE #BE515C #5CBE51

tetradic

#515CBE #BE5192 #BEB351 #51BE7C

square

#515CBE #BE5192 #BEB351 #51BE7C

split-complementary

#515CBE #BE7C51 #92BE51

monochromatic

#282F6C #394399 #515CBE #7E86CF #AAAFDF

Accessibility & contrast

On white

5.79

#515CBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#515CBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515CBE

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515CBE	#FFFFFF	#000000	##FFFFFF
##515CBE	1.00	5.79	3.62	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#266AC1

Deuteranopia (green-blind)

#0F61BC

Tritanopia (blue-blind)

#0A7284

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #515cbe;
/* rgb */ color: rgb(81, 92, 190);
/* oklch */ color: oklch(51.8% 0.152 274.9);

Tailwind

colors: {
  custom: {
    50: '#8b8ad2',
    500: '#515cbe',
    950: '#000000',
  },
}

SCSS

$custom: #515cbe;
$custom-light: #8b8ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#515cbe",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 190
  },
  "hsl": {
    "h": 233.945,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.51776,
    "c": 0.15231,
    "h": 274.9
  },
  "luminance": 0.13121
}

Semantic roles & 50–950 ramp

primary

#515CBE

secondary

#CDC89E

accent

#C853D5

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #515CBE

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

Preview Lab → · Contrast checker → · Palette generator →