#515DAF#515DAF

#515DAF is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.0% C 0.130 H 274.6°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#515DAF
RGB	rgb(81, 93, 175)
HSL	hsl(232, 37%, 50%)
HSV	hsv(232, 54%, 69%)
CMYK	cmyk(53.7%, 46.9%, 0%, 31.4%)
CIE-LAB	lab(42.27, 19.32, -45.36)
CIE-LCH	lch(42.27, 49.31, 293.07°)
OKLab	oklab(50.96% 0.0104 -0.1291)
OKLCH	oklch(50.96% 0.13 274.6)
XYZ	xyz(15.0431, 12.6722, 42.2024)
Luminance	0.1267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515DAF #AFA351

analogous

#518CAF #515DAF #7451AF

triadic

#515DAF #AF515D #5DAF51

tetradic

#515DAF #AF518C #AFA351 #51AF74

square

#515DAF #AF518C #AFA351 #51AF74

split-complementary

#515DAF #AF7451 #8CAF51

monochromatic

#2A305C #3D4785 #515DAF #7B84C2 #A5ABD6

Accessibility & contrast

On white

5.94

#515DAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#515DAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515DAF

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515DAF	#FFFFFF	#000000	##FFFFFF
##515DAF	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3868B2

Deuteranopia (green-blind)

#2D60AD

Tritanopia (blue-blind)

#256F7D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #515daf;
/* rgb */ color: rgb(81, 93, 175);
/* oklch */ color: oklch(51.0% 0.130 274.6);

Tailwind

colors: {
  custom: {
    50: '#898ac7',
    500: '#515daf',
    950: '#000000',
  },
}

SCSS

$custom: #515daf;
$custom-light: #898ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#515daf",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 175
  },
  "hsl": {
    "h": 232.34,
    "s": 37.008,
    "l": 50.196
  },
  "oklch": {
    "l": 0.5096,
    "c": 0.12956,
    "h": 274.6
  },
  "luminance": 0.12673
}

Semantic roles & 50–950 ramp

primary

#515DAF

secondary

#C3BE99

accent

#BE5BCD

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #515DAF

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

Preview Lab → · Contrast checker → · Palette generator →