#515BCF#515BCF

#515BCF is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.8% C 0.177 H 274.9°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#515BCF
RGB	rgb(81, 91, 207)
HSL	hsl(235, 57%, 56%)
HSV	hsv(235, 61%, 81%)
CMYK	cmyk(60.9%, 56%, 0%, 18.8%)
CIE-LAB	lab(43.85, 31.23, -61.41)
CIE-LCH	lch(43.85, 68.90, 296.95°)
OKLab	oklab(52.83% 0.015 -0.1764)
OKLCH	oklch(52.83% 0.177 274.9)
XYZ	xyz(18.3932, 13.7350, 60.7012)
Luminance	0.1374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515BCF #CFC551

analogous

#519ACF #515BCF #8651CF

triadic

#515BCF #CF515B #5BCF51

tetradic

#515BCF #CF519A #CFC551 #51CF86

square

#515BCF #CF519A #CFC551 #51CF86

split-complementary

#515BCF #CF8651 #9ACF51

monochromatic

#242B82 #313BB2 #515BCF #8188DC #B1B5E9

Accessibility & contrast

On white

5.60

#515BCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#515BCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515BCF

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515BCF	#FFFFFF	#000000	##FFFFFF
##515BCF	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD3

Deuteranopia (green-blind)

#0062CD

Tritanopia (blue-blind)

#00778C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #515bcf;
/* rgb */ color: rgb(81, 91, 207);
/* oklch */ color: oklch(52.8% 0.177 274.9);

Tailwind

colors: {
  custom: {
    50: '#8e89de',
    500: '#515bcf',
    950: '#000000',
  },
}

SCSS

$custom: #515bcf;
$custom-light: #8e89de;
$custom-dark: #000000;

JSON

{
  "hex": "#515bcf",
  "rgb": {
    "r": 81,
    "g": 91,
    "b": 207
  },
  "hsl": {
    "h": 235.238,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.52825,
    "c": 0.177,
    "h": 274.9
  },
  "luminance": 0.13736
}

Semantic roles & 50–950 ramp

primary

#515BCF

secondary

#D8D4A4

accent

#D448E0

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515BCF

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

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