#515BE7#515BE7

#515BE7 is a mid, highly saturated blue. Relative luminance 0.150; OKLCH L 54.7% C 0.209 H 274.1°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#515BE7
RGB	rgb(81, 91, 231)
HSL	hsl(236, 76%, 61%)
HSV	hsv(236, 65%, 91%)
CMYK	cmyk(64.9%, 60.6%, 0%, 9.4%)
CIE-LAB	lab(45.63, 39.24, -72.19)
CIE-LCH	lch(45.63, 82.17, 298.53°)
OKLab	oklab(54.71% 0.0149 -0.208)
OKLCH	oklch(54.71% 0.209 274.1)
XYZ	xyz(21.5534, 14.9991, 77.3451)
Luminance	0.1500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515BE7 #E7DD51

analogous

#51A6E7 #515BE7 #9251E7

triadic

#515BE7 #E7515B #5BE751

tetradic

#515BE7 #E751A6 #E7DD51 #51E792

square

#515BE7 #E751A6 #E7DD51 #51E792

split-complementary

#515BE7 #E79251 #A6E751

monochromatic

#1721A7 #1E2BDC #515BE7 #878EEE #BDC0F6

Accessibility & contrast

On white

5.25

#515BE7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#515BE7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515BE7

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515BE7	#FFFFFF	#000000	##FFFFFF
##515BE7	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073EC

Deuteranopia (green-blind)

#0065E4

Tritanopia (blue-blind)

#007E98

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #515be7;
/* rgb */ color: rgb(81, 91, 231);
/* oklch */ color: oklch(54.7% 0.209 274.1);

Tailwind

colors: {
  custom: {
    50: '#9289f0',
    500: '#515be7',
    950: '#000000',
  },
}

SCSS

$custom: #515be7;
$custom-light: #9289f0;
$custom-dark: #000000;

JSON

{
  "hex": "#515be7",
  "rgb": {
    "r": 81,
    "g": 91,
    "b": 231
  },
  "hsl": {
    "h": 236,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.54706,
    "c": 0.20856,
    "h": 274.1
  },
  "luminance": 0.15001
}

Semantic roles & 50–950 ramp

primary

#515BE7

secondary

#E6E2AE

accent

#CA0ED8

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B17

muted

#7E7C85

Preview Lab

Preview with #515BE7

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

Preview Lab → · Contrast checker → · Palette generator →