#515ECB#515ECB

#515ECB is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.1% C 0.168 H 274.1°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#515ECB
RGB	rgb(81, 94, 203)
HSL	hsl(234, 54%, 56%)
HSV	hsv(234, 60%, 80%)
CMYK	cmyk(60.1%, 53.7%, 0%, 20.4%)
CIE-LAB	lab(44.33, 28.02, -58.34)
CIE-LCH	lch(44.33, 64.72, 295.65°)
OKLab	oklab(53.09% 0.012 -0.1673)
OKLCH	oklch(53.09% 0.168 274.1)
XYZ	xyz(18.1720, 14.0651, 58.2456)
Luminance	0.1407 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515ECB #CBBE51

analogous

#519BCB #515ECB #8151CB

triadic

#515ECB #CB515E #5ECB51

tetradic

#515ECB #CB519B #CBBE51 #51CB81

square

#515ECB #CB519B #CBBE51 #51CB81

split-complementary

#515ECB #CB8151 #9BCB51

monochromatic

#252E7C #3340AC #515ECB #808AD9 #AFB5E7

Accessibility & contrast

On white

5.51

#515ECB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#515ECB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515ECB

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515ECB	#FFFFFF	#000000	##FFFFFF
##515ECB	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#166ECF

Deuteranopia (green-blind)

#0064C9

Tritanopia (blue-blind)

#00778B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #515ecb;
/* rgb */ color: rgb(81, 94, 203);
/* oklch */ color: oklch(53.1% 0.168 274.1);

Tailwind

colors: {
  custom: {
    50: '#8d8bdc',
    500: '#515ecb',
    950: '#000000',
  },
}

SCSS

$custom: #515ecb;
$custom-light: #8d8bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#515ecb",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 203
  },
  "hsl": {
    "h": 233.607,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.53093,
    "c": 0.16773,
    "h": 274.1
  },
  "luminance": 0.14067
}

Semantic roles & 50–950 ramp

primary

#515ECB

secondary

#D5D0A3

accent

#CE4ADD

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #515ECB

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

Preview Lab → · Contrast checker → · Palette generator →