#515BCD#515BCD

#515BCD is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.7% C 0.174 H 274.9°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#515BCD
RGB	rgb(81, 91, 205)
HSL	hsl(235, 55%, 56%)
HSV	hsv(235, 60%, 80%)
CMYK	cmyk(60.5%, 55.6%, 0%, 19.6%)
CIE-LAB	lab(43.71, 30.56, -60.49)
CIE-LCH	lch(43.71, 67.78, 296.80°)
OKLab	oklab(52.68% 0.015 -0.1736)
OKLCH	oklch(52.68% 0.174 274.9)
XYZ	xyz(18.1503, 13.6379, 59.4217)
Luminance	0.1364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515BCD #CDC351

analogous

#5199CD #515BCD #8551CD

triadic

#515BCD #CD515B #5BCD51

tetradic

#515BCD #CD5199 #CDC351 #51CD85

square

#515BCD #CD5199 #CDC351 #51CD85

split-complementary

#515BCD #CD8551 #99CD51

monochromatic

#252C7F #323CAF #515BCD #8188DB #B0B5E8

Accessibility & contrast

On white

5.63

#515BCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#515BCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515BCD

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515BCD	#FFFFFF	#000000	##FFFFFF
##515BCD	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD1

Deuteranopia (green-blind)

#0062CB

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #515bcd;
/* rgb */ color: rgb(81, 91, 205);
/* oklch */ color: oklch(52.7% 0.174 274.9);

Tailwind

colors: {
  custom: {
    50: '#8d89dd',
    500: '#515bcd',
    950: '#000000',
  },
}

SCSS

$custom: #515bcd;
$custom-light: #8d89dd;
$custom-dark: #000000;

JSON

{
  "hex": "#515bcd",
  "rgb": {
    "r": 81,
    "g": 91,
    "b": 205
  },
  "hsl": {
    "h": 235.161,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.52675,
    "c": 0.17429,
    "h": 274.9
  },
  "luminance": 0.13639
}

Semantic roles & 50–950 ramp

primary

#515BCD

secondary

#D7D2A3

accent

#D349DF

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515BCD

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

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