#515EB2#515EB2

#515EB2 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.4% C 0.133 H 274.2°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#515EB2
RGB	rgb(81, 94, 178)
HSL	hsl(232, 39%, 51%)
HSV	hsv(232, 54%, 70%)
CMYK	cmyk(54.5%, 47.2%, 0%, 30.2%)
CIE-LAB	lab(42.72, 19.67, -46.41)
CIE-LCH	lch(42.72, 50.41, 292.97°)
OKLab	oklab(51.36% 0.0096 -0.1322)
OKLCH	oklch(51.36% 0.133 274.2)
XYZ	xyz(15.4293, 12.9680, 43.8009)
Luminance	0.1297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515EB2 #B2A551

analogous

#518EB2 #515EB2 #7451B2

triadic

#515EB2 #B2515E #5EB251

tetradic

#515EB2 #B2518E #B2A551 #51B274

square

#515EB2 #B2518E #B2A551 #51B274

split-complementary

#515EB2 #B27451 #8EB251

monochromatic

#2A315F #3D4789 #515EB2 #7B85C5 #A6ADD8

Accessibility & contrast

On white

5.84

#515EB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#515EB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515EB2

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515EB2	#FFFFFF	#000000	##FFFFFF
##515EB2	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3869B5

Deuteranopia (green-blind)

#2C61B0

Tritanopia (blue-blind)

#21707F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #515eb2;
/* rgb */ color: rgb(81, 94, 178);
/* oklch */ color: oklch(51.4% 0.133 274.2);

Tailwind

colors: {
  custom: {
    50: '#898bc9',
    500: '#515eb2',
    950: '#000000',
  },
}

SCSS

$custom: #515eb2;
$custom-light: #898bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#515eb2",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 178
  },
  "hsl": {
    "h": 231.959,
    "s": 38.645,
    "l": 50.784
  },
  "oklch": {
    "l": 0.5136,
    "c": 0.13255,
    "h": 274.2
  },
  "luminance": 0.12969
}

Semantic roles & 50–950 ramp

primary

#515EB2

secondary

#C5BF9A

accent

#BF59CF

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #515EB2

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

Preview Lab → · Contrast checker → · Palette generator →