#515DB0#515DB0

#515DB0 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.0% C 0.131 H 274.6°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#515DB0
RGB	rgb(81, 93, 176)
HSL	hsl(232, 38%, 50%)
HSV	hsv(232, 54%, 69%)
CMYK	cmyk(54%, 47.2%, 0%, 31%)
CIE-LAB	lab(42.33, 19.65, -45.86)
CIE-LCH	lch(42.33, 49.89, 293.19°)
OKLab	oklab(51.03% 0.0105 -0.1306)
OKLCH	oklch(51.03% 0.131 274.6)
XYZ	xyz(15.1417, 12.7116, 42.7216)
Luminance	0.1271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515DB0 #B0A451

analogous

#518CB0 #515DB0 #7451B0

triadic

#515DB0 #B0515D #5DB051

tetradic

#515DB0 #B0518C #B0A451 #51B074

square

#515DB0 #B0518C #B0A451 #51B074

split-complementary

#515DB0 #B07451 #8CB051

monochromatic

#2A305D #3D4687 #515DB0 #7B84C3 #A5ABD6

Accessibility & contrast

On white

5.93

#515DB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#515DB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515DB0

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515DB0	#FFFFFF	#000000	##FFFFFF
##515DB0	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3768B3

Deuteranopia (green-blind)

#2C60AE

Tritanopia (blue-blind)

#246F7E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #515db0;
/* rgb */ color: rgb(81, 93, 176);
/* oklch */ color: oklch(51.0% 0.131 274.6);

Tailwind

colors: {
  custom: {
    50: '#898ac8',
    500: '#515db0',
    950: '#000000',
  },
}

SCSS

$custom: #515db0;
$custom-light: #898ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#515db0",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 176
  },
  "hsl": {
    "h": 232.421,
    "s": 37.549,
    "l": 50.392
  },
  "oklch": {
    "l": 0.51025,
    "c": 0.13101,
    "h": 274.6
  },
  "luminance": 0.12713
}

Semantic roles & 50–950 ramp

primary

#515DB0

secondary

#C4BE99

accent

#BF5ACE

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #515DB0

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

Preview Lab → · Contrast checker → · Palette generator →