#515EBC#515EBC

#515EBC is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.0% C 0.147 H 274.2°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#515EBC
RGB	rgb(81, 94, 188)
HSL	hsl(233, 44%, 53%)
HSV	hsv(233, 57%, 74%)
CMYK	cmyk(56.9%, 50%, 0%, 26.3%)
CIE-LAB	lab(43.34, 22.99, -51.25)
CIE-LCH	lch(43.34, 56.18, 294.16°)
OKLab	oklab(52.03% 0.0108 -0.1464)
OKLCH	oklch(52.03% 0.147 274.2)
XYZ	xyz(16.4702, 13.3844, 49.2827)
Luminance	0.1339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515EBC #BCAF51

analogous

#5194BC #515EBC #7951BC

triadic

#515EBC #BC515E #5EBC51

tetradic

#515EBC #BC5194 #BCAF51 #51BC79

square

#515EBC #BC5194 #BCAF51 #51BC79

split-complementary

#515EBC #BC7951 #94BC51

monochromatic

#29316A #3A4596 #515EBC #7D87CD #A9B0DE

Accessibility & contrast

On white

5.71

#515EBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#515EBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515EBC

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515EBC	#FFFFFF	#000000	##FFFFFF
##515EBC	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E6BBF

Deuteranopia (green-blind)

#1C62BA

Tritanopia (blue-blind)

#0F7384

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #515ebc;
/* rgb */ color: rgb(81, 94, 188);
/* oklch */ color: oklch(52.0% 0.147 274.2);

Tailwind

colors: {
  custom: {
    50: '#8a8bd1',
    500: '#515ebc',
    950: '#000000',
  },
}

SCSS

$custom: #515ebc;
$custom-light: #8a8bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#515ebc",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 188
  },
  "hsl": {
    "h": 232.71,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.52032,
    "c": 0.14684,
    "h": 274.2
  },
  "luminance": 0.13386
}

Semantic roles & 50–950 ramp

primary

#515EBC

secondary

#CCC69D

accent

#C554D4

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0D0C14

muted

#7D7D82

Preview Lab

Preview with #515EBC

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

Preview Lab → · Contrast checker → · Palette generator →