#515CC1#515CC1

#515CC1 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.0% C 0.157 H 274.9°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#515CC1
RGB	rgb(81, 92, 193)
HSL	hsl(234, 47%, 54%)
HSV	hsv(234, 58%, 76%)
CMYK	cmyk(58%, 52.3%, 0%, 24.3%)
CIE-LAB	lab(43.14, 25.92, -54.48)
CIE-LCH	lch(43.14, 60.33, 295.45°)
OKLab	oklab(51.99% 0.0134 -0.1559)
OKLCH	oklch(51.99% 0.157 274.9)
XYZ	xyz(16.8430, 13.2526, 52.1122)
Luminance	0.1325 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515CC1 #C1B651

analogous

#5194C1 #515CC1 #7E51C1

triadic

#515CC1 #C1515C #5CC151

tetradic

#515CC1 #C15194 #C1B651 #51C17E

square

#515CC1 #C15194 #C1B651 #51C17E

split-complementary

#515CC1 #C17E51 #94C151

monochromatic

#282F70 #38429D #515CC1 #7E86D1 #ABB1E1

Accessibility & contrast

On white

5.75

#515CC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#515CC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515CC1

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515CC1	#FFFFFF	#000000	##FFFFFF
##515CC1	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#226BC5

Deuteranopia (green-blind)

#0361BF

Tritanopia (blue-blind)

#007385

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #515cc1;
/* rgb */ color: rgb(81, 92, 193);
/* oklch */ color: oklch(52.0% 0.157 274.9);

Tailwind

colors: {
  custom: {
    50: '#8b8ad4',
    500: '#515cc1',
    950: '#000000',
  },
}

SCSS

$custom: #515cc1;
$custom-light: #8b8ad4;
$custom-dark: #000000;

JSON

{
  "hex": "#515cc1",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 193
  },
  "hsl": {
    "h": 234.107,
    "s": 47.458,
    "l": 53.725
  },
  "oklch": {
    "l": 0.51988,
    "c": 0.15651,
    "h": 274.9
  },
  "luminance": 0.13254
}

Semantic roles & 50–950 ramp

primary

#515CC1

secondary

#CFCA9F

accent

#CA51D7

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #515CC1

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

Preview Lab → · Contrast checker → · Palette generator →