#515BDA#515BDA

#515BDA is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.7% C 0.192 H 274.5°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#515BDA
RGB	rgb(81, 91, 218)
HSL	hsl(236, 65%, 59%)
HSV	hsv(236, 63%, 85%)
CMYK	cmyk(62.8%, 58.3%, 0%, 14.5%)
CIE-LAB	lab(44.65, 34.91, -66.41)
CIE-LCH	lch(44.65, 75.03, 297.73°)
OKLab	oklab(53.67% 0.0151 -0.1911)
OKLCH	oklch(53.67% 0.192 274.5)
XYZ	xyz(19.7851, 14.2918, 68.0320)
Luminance	0.1429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515BDA #DAD051

analogous

#519FDA #515BDA #8B51DA

triadic

#515BDA #DA515B #5BDA51

tetradic

#515BDA #DA519F #DAD051 #51DA8B

square

#515BDA #DA519F #DAD051 #51DA8B

split-complementary

#515BDA #DA8B51 #9FDA51

monochromatic

#1F2792 #2A35C4 #515BDA #838BE5 #B6BAEF

Accessibility & contrast

On white

5.44

#515BDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#515BDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515BDA

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515BDA	#FFFFFF	#000000	##FFFFFF
##515BDA	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070DE

Deuteranopia (green-blind)

#0064D7

Tritanopia (blue-blind)

#007A92

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #515bda;
/* rgb */ color: rgb(81, 91, 218);
/* oklch */ color: oklch(53.7% 0.192 274.5);

Tailwind

colors: {
  custom: {
    50: '#9089e6',
    500: '#515bda',
    950: '#000000',
  },
}

SCSS

$custom: #515bda;
$custom-light: #9089e6;
$custom-dark: #000000;

JSON

{
  "hex": "#515bda",
  "rgb": {
    "r": 81,
    "g": 91,
    "b": 218
  },
  "hsl": {
    "h": 235.62,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.5367,
    "c": 0.19167,
    "h": 274.5
  },
  "luminance": 0.14293
}

Semantic roles & 50–950 ramp

primary

#515BDA

secondary

#DEDBA8

accent

#DC40E8

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #515BDA

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

Preview Lab → · Contrast checker → · Palette generator →