#515AC0#515AC0

#515AC0 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.5% C 0.158 H 275.6°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#515AC0
RGB	rgb(81, 90, 192)
HSL	hsl(235, 47%, 54%)
HSV	hsv(235, 58%, 75%)
CMYK	cmyk(57.8%, 53.1%, 0%, 24.7%)
CIE-LAB	lab(42.56, 26.85, -54.83)
CIE-LCH	lch(42.56, 61.05, 296.09°)
OKLab	oklab(51.53% 0.0154 -0.157)
OKLCH	oklch(51.53% 0.158 275.6)
XYZ	xyz(16.5609, 12.8662, 51.4697)
Luminance	0.1287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515AC0 #C0B751

analogous

#5191C0 #515AC0 #7F51C0

triadic

#515AC0 #C0515A #5AC051

tetradic

#515AC0 #C05191 #C0B751 #51C07F

square

#515AC0 #C05191 #C0B751 #51C07F

split-complementary

#515AC0 #C07F51 #91C051

monochromatic

#282E6F #38409B #515AC0 #7E85D0 #ABAFE1

Accessibility & contrast

On white

5.88

#515AC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#515AC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515AC0

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515AC0	#FFFFFF	#000000	##FFFFFF
##515AC0	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D69C4

Deuteranopia (green-blind)

#0060BE

Tritanopia (blue-blind)

#047184

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #515ac0;
/* rgb */ color: rgb(81, 90, 192);
/* oklch */ color: oklch(51.5% 0.158 275.6);

Tailwind

colors: {
  custom: {
    50: '#8b88d4',
    500: '#515ac0',
    950: '#000000',
  },
}

SCSS

$custom: #515ac0;
$custom-light: #8b88d4;
$custom-dark: #000000;

JSON

{
  "hex": "#515ac0",
  "rgb": {
    "r": 81,
    "g": 90,
    "b": 192
  },
  "hsl": {
    "h": 235.135,
    "s": 46.835,
    "l": 53.529
  },
  "oklch": {
    "l": 0.51531,
    "c": 0.15775,
    "h": 275.6
  },
  "luminance": 0.12867
}

Semantic roles & 50–950 ramp

primary

#515AC0

secondary

#CECA9F

accent

#CC51D6

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #515AC0

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

Preview Lab → · Contrast checker → · Palette generator →