#515AD9#515AD9

#515AD9 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.4% C 0.192 H 274.8°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#515AD9
RGB	rgb(81, 90, 217)
HSL	hsl(236, 64%, 58%)
HSV	hsv(236, 63%, 85%)
CMYK	cmyk(62.7%, 58.5%, 0%, 14.9%)
CIE-LAB	lab(44.33, 35.19, -66.36)
CIE-LCH	lch(44.33, 75.11, 297.94°)
OKLab	oklab(53.41% 0.016 -0.1909)
OKLCH	oklch(53.41% 0.192 274.8)
XYZ	xyz(19.5698, 14.0698, 67.3166)
Luminance	0.1407 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515AD9 #D9D051

analogous

#519ED9 #515AD9 #8C51D9

triadic

#515AD9 #D9515A #5AD951

tetradic

#515AD9 #D9519E #D9D051 #51D98C

square

#515AD9 #D9519E #D9D051 #51D98C

split-complementary

#515AD9 #D98C51 #9ED951

monochromatic

#1F2790 #2A34C2 #515AD9 #838AE4 #B5B9EF

Accessibility & contrast

On white

5.51

#515AD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#515AD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515AD9

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515AD9	#FFFFFF	#000000	##FFFFFF
##515AD9	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FDD

Deuteranopia (green-blind)

#0063D6

Tritanopia (blue-blind)

#007991

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #515ad9;
/* rgb */ color: rgb(81, 90, 217);
/* oklch */ color: oklch(53.4% 0.192 274.8);

Tailwind

colors: {
  custom: {
    50: '#9088e6',
    500: '#515ad9',
    950: '#000000',
  },
}

SCSS

$custom: #515ad9;
$custom-light: #9088e6;
$custom-dark: #000000;

JSON

{
  "hex": "#515ad9",
  "rgb": {
    "r": 81,
    "g": 90,
    "b": 217
  },
  "hsl": {
    "h": 236.029,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.53413,
    "c": 0.19158,
    "h": 274.8
  },
  "luminance": 0.14071
}

Semantic roles & 50–950 ramp

primary

#515AD9

secondary

#DEDAA8

accent

#DC41E7

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #515AD9

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

Preview Lab → · Contrast checker → · Palette generator →