#515FAF#515FAF

#515FAF is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.4% C 0.127 H 273.6°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#515FAF
RGB	rgb(81, 95, 175)
HSL	hsl(231, 37%, 50%)
HSV	hsv(231, 54%, 69%)
CMYK	cmyk(53.7%, 45.7%, 0%, 31.4%)
CIE-LAB	lab(42.81, 18.05, -44.50)
CIE-LCH	lch(42.81, 48.02, 292.08°)
OKLab	oklab(51.37% 0.0081 -0.1266)
OKLCH	oklch(51.37% 0.127 273.6)
XYZ	xyz(15.2209, 13.0279, 42.2617)
Luminance	0.1303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FAF #AFA151

analogous

#518EAF #515FAF #7251AF

triadic

#515FAF #AF515F #5FAF51

tetradic

#515FAF #AF518E #AFA151 #51AF72

square

#515FAF #AF518E #AFA151 #51AF72

split-complementary

#515FAF #AF7251 #8EAF51

monochromatic

#2A315C #3D4885 #515FAF #7B86C2 #A5ACD6

Accessibility & contrast

On white

5.82

#515FAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#515FAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FAF

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FAF	#FFFFFF	#000000	##FFFFFF
##515FAF	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C69B2

Deuteranopia (green-blind)

#3161AD

Tritanopia (blue-blind)

#24707E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #515faf;
/* rgb */ color: rgb(81, 95, 175);
/* oklch */ color: oklch(51.4% 0.127 273.6);

Tailwind

colors: {
  custom: {
    50: '#898cc7',
    500: '#515faf',
    950: '#000000',
  },
}

SCSS

$custom: #515faf;
$custom-light: #898cc7;
$custom-dark: #000000;

JSON

{
  "hex": "#515faf",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 175
  },
  "hsl": {
    "h": 231.064,
    "s": 37.008,
    "l": 50.196
  },
  "oklch": {
    "l": 0.51371,
    "c": 0.12685,
    "h": 273.6
  },
  "luminance": 0.13029
}

Semantic roles & 50–950 ramp

primary

#515FAF

secondary

#C3BD99

accent

#BC5BCD

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #515FAF

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

Preview Lab → · Contrast checker → · Palette generator →