#515CC7#515CC7

#515CC7 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.4% C 0.165 H 274.8°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#515CC7
RGB	rgb(81, 92, 199)
HSL	hsl(234, 51%, 55%)
HSV	hsv(234, 59%, 78%)
CMYK	cmyk(59.3%, 53.8%, 0%, 22%)
CIE-LAB	lab(43.55, 27.93, -57.30)
CIE-LCH	lch(43.55, 63.74, 295.99°)
OKLab	oklab(52.42% 0.0137 -0.1642)
OKLCH	oklch(52.42% 0.165 274.8)
XYZ	xyz(17.5259, 13.5258, 55.7089)
Luminance	0.1353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515CC7 #C7BC51

analogous

#5197C7 #515CC7 #8151C7

triadic

#515CC7 #C7515C #5CC751

tetradic

#515CC7 #C75197 #C7BC51 #51C781

square

#515CC7 #C75197 #C7BC51 #51C781

split-complementary

#515CC7 #C78151 #97C751

monochromatic

#262E77 #3540A6 #515CC7 #7F87D6 #AEB3E5

Accessibility & contrast

On white

5.67

#515CC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#515CC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515CC7

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515CC7	#FFFFFF	#000000	##FFFFFF
##515CC7	1.00	5.67	3.71	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#166CCB

Deuteranopia (green-blind)

#0062C5

Tritanopia (blue-blind)

#007588

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #515cc7;
/* rgb */ color: rgb(81, 92, 199);
/* oklch */ color: oklch(52.4% 0.165 274.8);

Tailwind

colors: {
  custom: {
    50: '#8c8ad9',
    500: '#515cc7',
    950: '#000000',
  },
}

SCSS

$custom: #515cc7;
$custom-light: #8c8ad9;
$custom-dark: #000000;

JSON

{
  "hex": "#515cc7",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 199
  },
  "hsl": {
    "h": 234.407,
    "s": 51.304,
    "l": 54.902
  },
  "oklch": {
    "l": 0.5242,
    "c": 0.16481,
    "h": 274.8
  },
  "luminance": 0.13527
}

Semantic roles & 50–950 ramp

primary

#515CC7

secondary

#D3CEA1

accent

#CE4DDB

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515CC7

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

Preview Lab → · Contrast checker → · Palette generator →