#515DC3#515DC3

#515DC3 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.3% C 0.158 H 274.5°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#515DC3
RGB	rgb(81, 93, 195)
HSL	hsl(234, 49%, 54%)
HSV	hsv(234, 58%, 76%)
CMYK	cmyk(58.5%, 52.3%, 0%, 23.5%)
CIE-LAB	lab(43.53, 25.96, -55.01)
CIE-LCH	lch(43.53, 60.82, 295.27°)
OKLab	oklab(52.33% 0.0125 -0.1575)
OKLCH	oklch(52.33% 0.158 274.5)
XYZ	xyz(17.1548, 13.5169, 53.3242)
Luminance	0.1352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515DC3 #C3B751

analogous

#5196C3 #515DC3 #7E51C3

triadic

#515DC3 #C3515D #5DC351

tetradic

#515DC3 #C35196 #C3B751 #51C37E

square

#515DC3 #C35196 #C3B751 #51C37E

split-complementary

#515DC3 #C37E51 #96C351

monochromatic

#272F72 #3742A0 #515DC3 #7F87D3 #ACB2E2

Accessibility & contrast

On white

5.67

#515DC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#515DC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515DC3

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515DC3	#FFFFFF	#000000	##FFFFFF
##515DC3	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#226CC7

Deuteranopia (green-blind)

#0062C1

Tritanopia (blue-blind)

#007487

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #515dc3;
/* rgb */ color: rgb(81, 93, 195);
/* oklch */ color: oklch(52.3% 0.158 274.5);

Tailwind

colors: {
  custom: {
    50: '#8c8ad6',
    500: '#515dc3',
    950: '#000000',
  },
}

SCSS

$custom: #515dc3;
$custom-light: #8c8ad6;
$custom-dark: #000000;

JSON

{
  "hex": "#515dc3",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 195
  },
  "hsl": {
    "h": 233.684,
    "s": 48.718,
    "l": 54.118
  },
  "oklch": {
    "l": 0.52325,
    "c": 0.15798,
    "h": 274.5
  },
  "luminance": 0.13518
}

Semantic roles & 50–950 ramp

primary

#515DC3

secondary

#D0CBA0

accent

#CA50D8

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #515DC3

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

Preview Lab → · Contrast checker → · Palette generator →