#515FDD#515FDD

#515FDD is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.6% C 0.191 H 273.5°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#515FDD
RGB	rgb(81, 95, 221)
HSL	hsl(234, 67%, 59%)
HSV	hsv(234, 63%, 87%)
CMYK	cmyk(63.3%, 57%, 0%, 13.3%)
CIE-LAB	lab(45.84, 33.45, -66.18)
CIE-LCH	lch(45.84, 74.15, 296.81°)
OKLab	oklab(54.63% 0.0116 -0.1903)
OKLCH	oklch(54.63% 0.191 273.5)
XYZ	xyz(20.5324, 15.1525, 70.2353)
Luminance	0.1515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FDD #DDCF51

analogous

#51A5DD #515FDD #8951DD

triadic

#515FDD #DD515F #5FDD51

tetradic

#515FDD #DD51A5 #DDCF51 #51DD89

square

#515FDD #DD51A5 #DDCF51 #51DD89

split-complementary

#515FDD #DD8951 #A5DD51

monochromatic

#1D2996 #2738C9 #515FDD #848EE7 #B7BDF1

Accessibility & contrast

On white

5.21

#515FDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#515FDD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FDD

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FDD	#FFFFFF	#000000	##FFFFFF
##515FDD	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073E1

Deuteranopia (green-blind)

#0067DA

Tritanopia (blue-blind)

#007D95

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #515fdd;
/* rgb */ color: rgb(81, 95, 221);
/* oklch */ color: oklch(54.6% 0.191 273.5);

Tailwind

colors: {
  custom: {
    50: '#908ce8',
    500: '#515fdd',
    950: '#000000',
  },
}

SCSS

$custom: #515fdd;
$custom-light: #908ce8;
$custom-dark: #000000;

JSON

{
  "hex": "#515fdd",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 221
  },
  "hsl": {
    "h": 234,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.54626,
    "c": 0.1907,
    "h": 273.5
  },
  "luminance": 0.15154
}

Semantic roles & 50–950 ramp

primary

#515FDD

secondary

#E0DBAA

accent

#D93EEA

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #515FDD

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

Preview Lab → · Contrast checker → · Palette generator →