#515BE0#515BE0

#515BE0 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 54.1% C 0.200 H 274.3°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#515BE0
RGB	rgb(81, 91, 224)
HSL	hsl(236, 70%, 60%)
HSV	hsv(236, 64%, 88%)
CMYK	cmyk(63.8%, 59.4%, 0%, 12.2%)
CIE-LAB	lab(45.10, 36.91, -69.10)
CIE-LCH	lch(45.10, 78.34, 298.11°)
OKLab	oklab(54.14% 0.015 -0.1989)
OKLCH	oklch(54.14% 0.2 274.3)
XYZ	xyz(20.5845, 14.6116, 72.2421)
Luminance	0.1461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515BE0 #E0D651

analogous

#51A3E0 #515BE0 #8E51E0

triadic

#515BE0 #E0515B #5BE051

tetradic

#515BE0 #E051A3 #E0D651 #51E08E

square

#515BE0 #E051A3 #E0D651 #51E08E

split-complementary

#515BE0 #E08E51 #A3E051

monochromatic

#1C259B #2531CF #515BE0 #858CE9 #B9BDF3

Accessibility & contrast

On white

5.35

#515BE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#515BE0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515BE0

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515BE0	#FFFFFF	#000000	##FFFFFF
##515BE0	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071E4

Deuteranopia (green-blind)

#0064DD

Tritanopia (blue-blind)

#007C95

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #515be0;
/* rgb */ color: rgb(81, 91, 224);
/* oklch */ color: oklch(54.1% 0.200 274.3);

Tailwind

colors: {
  custom: {
    50: '#9189eb',
    500: '#515be0',
    950: '#000000',
  },
}

SCSS

$custom: #515be0;
$custom-light: #9189eb;
$custom-dark: #000000;

JSON

{
  "hex": "#515be0",
  "rgb": {
    "r": 81,
    "g": 91,
    "b": 224
  },
  "hsl": {
    "h": 235.804,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.54144,
    "c": 0.19952,
    "h": 274.3
  },
  "luminance": 0.14613
}

Semantic roles & 50–950 ramp

primary

#515BE0

secondary

#E2DEAB

accent

#E03BED

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #515BE0

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

Preview Lab → · Contrast checker → · Palette generator →