#515FA3#515FA3

#515FA3 is a mid, moderate blue. Relative luminance 0.126; OKLCH L 50.6% C 0.109 H 273.1°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#515FA3
RGB	rgb(81, 95, 163)
HSL	hsl(230, 34%, 48%)
HSV	hsv(230, 50%, 64%)
CMYK	cmyk(50.3%, 41.7%, 0%, 36.1%)
CIE-LAB	lab(42.12, 14.14, -38.51)
CIE-LCH	lch(42.12, 41.02, 290.16°)
OKLab	oklab(50.62% 0.006 -0.109)
OKLCH	oklch(50.62% 0.109 273.1)
XYZ	xyz(14.0943, 12.5772, 36.3282)
Luminance	0.1258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FA3 #A39551

analogous

#5188A3 #515FA3 #6C51A3

triadic

#515FA3 #A3515F #5FA351

tetradic

#515FA3 #A35188 #A39551 #51A36C

square

#515FA3 #A35188 #A39551 #51A36C

split-complementary

#515FA3 #A36C51 #88A351

monochromatic

#282F51 #3D477A #515FA3 #7682BB #9FA7CF

Accessibility & contrast

On white

5.97

#515FA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#515FA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FA3

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FA3	#FFFFFF	#000000	##FFFFFF
##515FA3	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4467A6

Deuteranopia (green-blind)

#3C60A1

Tritanopia (blue-blind)

#306D79

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #515fa3;
/* rgb */ color: rgb(81, 95, 163);
/* oklch */ color: oklch(50.6% 0.109 273.1);

Tailwind

colors: {
  custom: {
    50: '#878cbe',
    500: '#515fa3',
    950: '#000000',
  },
}

SCSS

$custom: #515fa3;
$custom-light: #878cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#515fa3",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 163
  },
  "hsl": {
    "h": 229.756,
    "s": 33.607,
    "l": 47.843
  },
  "oklch": {
    "l": 0.50624,
    "c": 0.10919,
    "h": 273.1
  },
  "luminance": 0.12578
}

Semantic roles & 50–950 ramp

primary

#515FA3

secondary

#BCB593

accent

#B75ECA

background

#F8F8FB

surface

#F0F0F7

border

#CBCBD0

text

#0C0C12

muted

#7D7D81

Preview Lab

Preview with #515FA3

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

Preview Lab → · Contrast checker → · Palette generator →