#515FAD#515FAD

#515FAD is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.2% C 0.124 H 273.6°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#515FAD
RGB	rgb(81, 95, 173)
HSL	hsl(231, 36%, 50%)
HSV	hsv(231, 53%, 68%)
CMYK	cmyk(53.2%, 45.1%, 0%, 32.2%)
CIE-LAB	lab(42.69, 17.39, -43.51)
CIE-LCH	lch(42.69, 46.86, 291.79°)
OKLab	oklab(51.24% 0.0078 -0.1237)
OKLCH	oklch(51.24% 0.124 273.6)
XYZ	xyz(15.0260, 12.9499, 41.2349)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FAD #AD9F51

analogous

#518DAD #515FAD #7151AD

triadic

#515FAD #AD515F #5FAD51

tetradic

#515FAD #AD518D #AD9F51 #51AD71

square

#515FAD #AD518D #AD9F51 #51AD71

split-complementary

#515FAD #AD7151 #8DAD51

monochromatic

#2A315A #3D4883 #515FAD #7A85C1 #A4ABD4

Accessibility & contrast

On white

5.85

#515FAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#515FAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FAD

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FAD	#FFFFFF	#000000	##FFFFFF
##515FAD	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D69B0

Deuteranopia (green-blind)

#3361AB

Tritanopia (blue-blind)

#26707D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #515fad;
/* rgb */ color: rgb(81, 95, 173);
/* oklch */ color: oklch(51.2% 0.124 273.6);

Tailwind

colors: {
  custom: {
    50: '#888cc6',
    500: '#515fad',
    950: '#000000',
  },
}

SCSS

$custom: #515fad;
$custom-light: #888cc6;
$custom-dark: #000000;

JSON

{
  "hex": "#515fad",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 173
  },
  "hsl": {
    "h": 230.87,
    "s": 36.22,
    "l": 49.804
  },
  "oklch": {
    "l": 0.51243,
    "c": 0.12393,
    "h": 273.6
  },
  "luminance": 0.12951
}

Semantic roles & 50–950 ramp

primary

#515FAD

secondary

#C2BB98

accent

#BB5CCC

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #515FAD

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

Preview Lab → · Contrast checker → · Palette generator →