#515BE5#515BE5

#515BE5 is a mid, highly saturated blue. Relative luminance 0.149; OKLCH L 54.5% C 0.206 H 274.2°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#515BE5
RGB	rgb(81, 91, 229)
HSL	hsl(236, 74%, 61%)
HSV	hsv(236, 65%, 90%)
CMYK	cmyk(64.6%, 60.3%, 0%, 10.2%)
CIE-LAB	lab(45.48, 38.58, -71.31)
CIE-LCH	lch(45.48, 81.08, 298.41°)
OKLab	oklab(54.54% 0.0149 -0.2054)
OKLCH	oklch(54.54% 0.206 274.2)
XYZ	xyz(21.2726, 14.8868, 75.8659)
Luminance	0.1489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515BE5 #E5DB51

analogous

#51A5E5 #515BE5 #9151E5

triadic

#515BE5 #E5515B #5BE551

tetradic

#515BE5 #E551A5 #E5DB51 #51E591

square

#515BE5 #E551A5 #E5DB51 #51E591

split-complementary

#515BE5 #E59151 #A5E551

monochromatic

#1822A3 #202DD8 #515BE5 #868DED #BBBFF5

Accessibility & contrast

On white

5.28

#515BE5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#515BE5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515BE5

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515BE5	#FFFFFF	#000000	##FFFFFF
##515BE5	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072EA

Deuteranopia (green-blind)

#0065E2

Tritanopia (blue-blind)

#007D97

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #515be5;
/* rgb */ color: rgb(81, 91, 229);
/* oklch */ color: oklch(54.5% 0.206 274.2);

Tailwind

colors: {
  custom: {
    50: '#9289ee',
    500: '#515be5',
    950: '#000000',
  },
}

SCSS

$custom: #515be5;
$custom-light: #9289ee;
$custom-dark: #000000;

JSON

{
  "hex": "#515be5",
  "rgb": {
    "r": 81,
    "g": 91,
    "b": 229
  },
  "hsl": {
    "h": 235.946,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.54544,
    "c": 0.20599,
    "h": 274.2
  },
  "luminance": 0.14889
}

Semantic roles & 50–950 ramp

primary

#515BE5

secondary

#E5E1AD

accent

#C90FD6

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #515BE5

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

Preview Lab → · Contrast checker → · Palette generator →