#515EB0#515EB0

#515EB0 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.2% C 0.130 H 274.1°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#515EB0
RGB	rgb(81, 94, 176)
HSL	hsl(232, 38%, 50%)
HSV	hsv(232, 54%, 69%)
CMYK	cmyk(54%, 46.6%, 0%, 31%)
CIE-LAB	lab(42.59, 19.01, -45.43)
CIE-LCH	lch(42.59, 49.24, 292.71°)
OKLab	oklab(51.23% 0.0094 -0.1293)
OKLCH	oklch(51.23% 0.13 274.1)
XYZ	xyz(15.2300, 12.8883, 42.7510)
Luminance	0.1289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515EB0 #B0A351

analogous

#518EB0 #515EB0 #7351B0

triadic

#515EB0 #B0515E #5EB051

tetradic

#515EB0 #B0518E #B0A351 #51B073

square

#515EB0 #B0518E #B0A351 #51B073

split-complementary

#515EB0 #B07351 #8EB051

monochromatic

#2A315D #3D4787 #515EB0 #7B85C3 #A5ACD6

Accessibility & contrast

On white

5.87

#515EB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#515EB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515EB0

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515EB0	#FFFFFF	#000000	##FFFFFF
##515EB0	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3969B3

Deuteranopia (green-blind)

#2E61AE

Tritanopia (blue-blind)

#23707E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #515eb0;
/* rgb */ color: rgb(81, 94, 176);
/* oklch */ color: oklch(51.2% 0.130 274.1);

Tailwind

colors: {
  custom: {
    50: '#898bc8',
    500: '#515eb0',
    950: '#000000',
  },
}

SCSS

$custom: #515eb0;
$custom-light: #898bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#515eb0",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 176
  },
  "hsl": {
    "h": 231.789,
    "s": 37.549,
    "l": 50.392
  },
  "oklch": {
    "l": 0.5123,
    "c": 0.12965,
    "h": 274.1
  },
  "luminance": 0.12889
}

Semantic roles & 50–950 ramp

primary

#515EB0

secondary

#C4BE99

accent

#BE5ACE

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #515EB0

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

Preview Lab → · Contrast checker → · Palette generator →