#515BE3#515BE3

#515BE3 is a mid, highly saturated blue. Relative luminance 0.148; OKLCH L 54.4% C 0.203 H 274.2°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#515BE3
RGB	rgb(81, 91, 227)
HSL	hsl(236, 72%, 60%)
HSV	hsv(236, 64%, 89%)
CMYK	cmyk(64.3%, 59.9%, 0%, 11%)
CIE-LAB	lab(45.33, 37.91, -70.43)
CIE-LCH	lch(45.33, 79.98, 298.30°)
OKLab	oklab(54.38% 0.015 -0.2029)
OKLCH	oklch(54.38% 0.203 274.2)
XYZ	xyz(20.9950, 14.7757, 74.4037)
Luminance	0.1478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515BE3 #E3D951

analogous

#51A4E3 #515BE3 #9051E3

triadic

#515BE3 #E3515B #5BE351

tetradic

#515BE3 #E351A4 #E3D951 #51E390

square

#515BE3 #E351A4 #E3D951 #51E390

split-complementary

#515BE3 #E39051 #A4E351

monochromatic

#1A23A0 #222ED5 #515BE3 #868DEB #BABEF4

Accessibility & contrast

On white

5.31

#515BE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#515BE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515BE3

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515BE3	#FFFFFF	#000000	##FFFFFF
##515BE3	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072E7

Deuteranopia (green-blind)

#0065E0

Tritanopia (blue-blind)

#007D96

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #515be3;
/* rgb */ color: rgb(81, 91, 227);
/* oklch */ color: oklch(54.4% 0.203 274.2);

Tailwind

colors: {
  custom: {
    50: '#9189ed',
    500: '#515be3',
    950: '#000000',
  },
}

SCSS

$custom: #515be3;
$custom-light: #9189ed;
$custom-dark: #000000;

JSON

{
  "hex": "#515be3",
  "rgb": {
    "r": 81,
    "g": 91,
    "b": 227
  },
  "hsl": {
    "h": 235.89,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.54383,
    "c": 0.20341,
    "h": 274.2
  },
  "luminance": 0.14778
}

Semantic roles & 50–950 ramp

primary

#515BE3

secondary

#E4E0AC

accent

#C711D4

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #515BE3

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

Preview Lab → · Contrast checker → · Palette generator →