#515ECF#515ECF

#515ECF is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.4% C 0.173 H 274.0°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#515ECF
RGB	rgb(81, 94, 207)
HSL	hsl(234, 57%, 56%)
HSV	hsv(234, 61%, 81%)
CMYK	cmyk(60.9%, 54.6%, 0%, 18.8%)
CIE-LAB	lab(44.60, 29.36, -60.20)
CIE-LCH	lch(44.60, 66.98, 296.00°)
OKLab	oklab(53.39% 0.0122 -0.1728)
OKLCH	oklch(53.39% 0.173 274)
XYZ	xyz(18.6548, 14.2582, 60.7884)
Luminance	0.1426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515ECF #CFC251

analogous

#519DCF #515ECF #8351CF

triadic

#515ECF #CF515E #5ECF51

tetradic

#515ECF #CF519D #CFC251 #51CF83

square

#515ECF #CF519D #CFC251 #51CF83

split-complementary

#515ECF #CF8351 #9DCF51

monochromatic

#242E82 #313EB2 #515ECF #818ADC #B1B7E9

Accessibility & contrast

On white

5.45

#515ECF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#515ECF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515ECF

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515ECF	#FFFFFF	#000000	##FFFFFF
##515ECF	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#086FD3

Deuteranopia (green-blind)

#0064CD

Tritanopia (blue-blind)

#00798D

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #515ecf;
/* rgb */ color: rgb(81, 94, 207);
/* oklch */ color: oklch(53.4% 0.173 274.0);

Tailwind

colors: {
  custom: {
    50: '#8e8bde',
    500: '#515ecf',
    950: '#000000',
  },
}

SCSS

$custom: #515ecf;
$custom-light: #8e8bde;
$custom-dark: #000000;

JSON

{
  "hex": "#515ecf",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 207
  },
  "hsl": {
    "h": 233.81,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.53386,
    "c": 0.17319,
    "h": 274
  },
  "luminance": 0.1426
}

Semantic roles & 50–950 ramp

primary

#515ECF

secondary

#D8D2A4

accent

#D048E0

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #515ECF

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

Preview Lab → · Contrast checker → · Palette generator →