#515FBD#515FBD

#515FBD is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.3% C 0.147 H 273.8°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#515FBD
RGB	rgb(81, 95, 189)
HSL	hsl(232, 45%, 53%)
HSV	hsv(232, 57%, 74%)
CMYK	cmyk(57.1%, 49.7%, 0%, 25.9%)
CIE-LAB	lab(43.66, 22.70, -51.31)
CIE-LCH	lch(43.66, 56.11, 293.86°)
OKLab	oklab(52.3% 0.0098 -0.1466)
OKLCH	oklch(52.3% 0.147 273.8)
XYZ	xyz(16.6679, 13.6067, 49.8823)
Luminance	0.1361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FBD #BDAF51

analogous

#5195BD #515FBD #7951BD

triadic

#515FBD #BD515F #5FBD51

tetradic

#515FBD #BD5195 #BDAF51 #51BD79

square

#515FBD #BD5195 #BDAF51 #51BD79

split-complementary

#515FBD #BD7951 #95BD51

monochromatic

#29316B #394697 #515FBD #7D88CE #AAB1DF

Accessibility & contrast

On white

5.64

#515FBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#515FBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FBD

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FBD	#FFFFFF	#000000	##FFFFFF
##515FBD	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F6CC0

Deuteranopia (green-blind)

#1E63BB

Tritanopia (blue-blind)

#0C7485

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #515fbd;
/* rgb */ color: rgb(81, 95, 189);
/* oklch */ color: oklch(52.3% 0.147 273.8);

Tailwind

colors: {
  custom: {
    50: '#8b8cd1',
    500: '#515fbd',
    950: '#000000',
  },
}

SCSS

$custom: #515fbd;
$custom-light: #8b8cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#515fbd",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 189
  },
  "hsl": {
    "h": 232.222,
    "s": 45,
    "l": 52.941
  },
  "oklch": {
    "l": 0.52299,
    "c": 0.14693,
    "h": 273.8
  },
  "luminance": 0.13608
}

Semantic roles & 50–950 ramp

primary

#515FBD

secondary

#CCC69E

accent

#C453D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0D0C14

muted

#7D7D82

Preview Lab

Preview with #515FBD

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

Preview Lab → · Contrast checker → · Palette generator →