#515AC3#515AC3

#515AC3 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.7% C 0.162 H 275.5°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#515AC3
RGB	rgb(81, 90, 195)
HSL	hsl(235, 49%, 54%)
HSV	hsv(235, 58%, 76%)
CMYK	cmyk(58.5%, 53.8%, 0%, 23.5%)
CIE-LAB	lab(42.76, 27.85, -56.24)
CIE-LCH	lch(42.76, 62.76, 296.34°)
OKLab	oklab(51.75% 0.0155 -0.1612)
OKLCH	oklch(51.75% 0.162 275.5)
XYZ	xyz(16.8966, 13.0005, 53.2381)
Luminance	0.1300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515AC3 #C3BA51

analogous

#5193C3 #515AC3 #8151C3

triadic

#515AC3 #C3515A #5AC351

tetradic

#515AC3 #C35193 #C3BA51 #51C381

square

#515AC3 #C35193 #C3BA51 #51C381

split-complementary

#515AC3 #C38151 #93C351

monochromatic

#272D72 #373FA0 #515AC3 #7F85D3 #ACB0E2

Accessibility & contrast

On white

5.83

#515AC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#515AC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515AC3

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515AC3	#FFFFFF	#000000	##FFFFFF
##515AC3	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#176AC7

Deuteranopia (green-blind)

#0060C1

Tritanopia (blue-blind)

#007286

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #515ac3;
/* rgb */ color: rgb(81, 90, 195);
/* oklch */ color: oklch(51.7% 0.162 275.5);

Tailwind

colors: {
  custom: {
    50: '#8c88d6',
    500: '#515ac3',
    950: '#000000',
  },
}

SCSS

$custom: #515ac3;
$custom-light: #8c88d6;
$custom-dark: #000000;

JSON

{
  "hex": "#515ac3",
  "rgb": {
    "r": 81,
    "g": 90,
    "b": 195
  },
  "hsl": {
    "h": 235.263,
    "s": 48.718,
    "l": 54.118
  },
  "oklch": {
    "l": 0.51748,
    "c": 0.16191,
    "h": 275.5
  },
  "luminance": 0.13002
}

Semantic roles & 50–950 ramp

primary

#515AC3

secondary

#D0CCA0

accent

#CD50D8

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #515AC3

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

Preview Lab → · Contrast checker → · Palette generator →