#515FDF#515FDF

#515FDF is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.8% C 0.193 H 273.5°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#515FDF
RGB	rgb(81, 95, 223)
HSL	hsl(234, 69%, 60%)
HSV	hsv(234, 64%, 87%)
CMYK	cmyk(63.7%, 57.4%, 0%, 12.5%)
CIE-LAB	lab(45.99, 34.12, -67.08)
CIE-LCH	lch(45.99, 75.26, 296.96°)
OKLab	oklab(54.78% 0.0117 -0.193)
OKLCH	oklch(54.78% 0.193 273.5)
XYZ	xyz(20.8004, 15.2597, 71.6470)
Luminance	0.1526 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FDF #DFD151

analogous

#51A6DF #515FDF #8A51DF

triadic

#515FDF #DF515F #5FDF51

tetradic

#515FDF #DF51A6 #DFD151 #51DF8A

square

#515FDF #DF51A6 #DFD151 #51DF8A

split-complementary

#515FDF #DF8A51 #A6DF51

monochromatic

#1C2999 #2636CD #515FDF #858FE9 #B8BEF2

Accessibility & contrast

On white

5.18

#515FDF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#515FDF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FDF

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FDF	#FFFFFF	#000000	##FFFFFF
##515FDF	1.00	5.18	4.05	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073E3

Deuteranopia (green-blind)

#0067DC

Tritanopia (blue-blind)

#007E96

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #515fdf;
/* rgb */ color: rgb(81, 95, 223);
/* oklch */ color: oklch(54.8% 0.193 273.5);

Tailwind

colors: {
  custom: {
    50: '#908cea',
    500: '#515fdf',
    950: '#000000',
  },
}

SCSS

$custom: #515fdf;
$custom-light: #908cea;
$custom-dark: #000000;

JSON

{
  "hex": "#515fdf",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 223
  },
  "hsl": {
    "h": 234.085,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.5478,
    "c": 0.19334,
    "h": 273.5
  },
  "luminance": 0.15261
}

Semantic roles & 50–950 ramp

primary

#515FDF

secondary

#E1DCAA

accent

#DA3CEC

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #515FDF

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

Preview Lab → · Contrast checker → · Palette generator →