#515AC4#515AC4

#515AC4 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.8% C 0.163 H 275.5°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#515AC4
RGB	rgb(81, 90, 196)
HSL	hsl(235, 49%, 54%)
HSV	hsv(235, 59%, 77%)
CMYK	cmyk(58.7%, 54.1%, 0%, 23.1%)
CIE-LAB	lab(42.83, 28.18, -56.71)
CIE-LCH	lch(42.83, 63.33, 296.42°)
OKLab	oklab(51.82% 0.0156 -0.1625)
OKLCH	oklch(51.82% 0.163 275.5)
XYZ	xyz(17.0101, 13.0459, 53.8356)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515AC4 #C4BB51

analogous

#5194C4 #515AC4 #8251C4

triadic

#515AC4 #C4515A #5AC451

tetradic

#515AC4 #C45194 #C4BB51 #51C482

square

#515AC4 #C45194 #C4BB51 #51C482

split-complementary

#515AC4 #C48251 #94C451

monochromatic

#272D73 #373FA1 #515AC4 #7F85D3 #ACB1E3

Accessibility & contrast

On white

5.82

#515AC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#515AC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515AC4

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515AC4	#FFFFFF	#000000	##FFFFFF
##515AC4	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#146AC8

Deuteranopia (green-blind)

#0060C2

Tritanopia (blue-blind)

#007386

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #515ac4;
/* rgb */ color: rgb(81, 90, 196);
/* oklch */ color: oklch(51.8% 0.163 275.5);

Tailwind

colors: {
  custom: {
    50: '#8c88d7',
    500: '#515ac4',
    950: '#000000',
  },
}

SCSS

$custom: #515ac4;
$custom-light: #8c88d7;
$custom-dark: #000000;

JSON

{
  "hex": "#515ac4",
  "rgb": {
    "r": 81,
    "g": 90,
    "b": 196
  },
  "hsl": {
    "h": 235.304,
    "s": 49.356,
    "l": 54.314
  },
  "oklch": {
    "l": 0.51821,
    "c": 0.16329,
    "h": 275.5
  },
  "luminance": 0.13047
}

Semantic roles & 50–950 ramp

primary

#515AC4

secondary

#D1CDA0

accent

#CE4FD9

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #515AC4

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

Preview Lab → · Contrast checker → · Palette generator →