#515DDD#515DDD

#515DDD is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.3% C 0.193 H 274.0°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#515DDD
RGB	rgb(81, 93, 221)
HSL	hsl(235, 67%, 59%)
HSV	hsv(235, 63%, 87%)
CMYK	cmyk(63.3%, 57.9%, 0%, 13.3%)
CIE-LAB	lab(45.35, 34.68, -66.97)
CIE-LCH	lch(45.35, 75.42, 297.38°)
OKLab	oklab(54.26% 0.0134 -0.1927)
OKLCH	oklch(54.26% 0.193 274)
XYZ	xyz(20.3545, 14.7968, 70.1760)
Luminance	0.1480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515DDD #DDD151

analogous

#51A3DD #515DDD #8B51DD

triadic

#515DDD #DD515D #5DDD51

tetradic

#515DDD #DD51A3 #DDD151 #51DD8B

square

#515DDD #DD51A3 #DDD151 #51DD8B

split-complementary

#515DDD #DD8B51 #A3DD51

monochromatic

#1D2896 #2735C9 #515DDD #848DE7 #B7BCF1

Accessibility & contrast

On white

5.30

#515DDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#515DDD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515DDD

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515DDD	#FFFFFF	#000000	##FFFFFF
##515DDD	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072E1

Deuteranopia (green-blind)

#0065DA

Tritanopia (blue-blind)

#007C94

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #515ddd;
/* rgb */ color: rgb(81, 93, 221);
/* oklch */ color: oklch(54.3% 0.193 274.0);

Tailwind

colors: {
  custom: {
    50: '#908be8',
    500: '#515ddd',
    950: '#000000',
  },
}

SCSS

$custom: #515ddd;
$custom-light: #908be8;
$custom-dark: #000000;

JSON

{
  "hex": "#515ddd",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 221
  },
  "hsl": {
    "h": 234.857,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.54264,
    "c": 0.19316,
    "h": 274
  },
  "luminance": 0.14798
}

Semantic roles & 50–950 ramp

primary

#515DDD

secondary

#E0DCAA

accent

#DB3EEA

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #515DDD

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

Preview Lab → · Contrast checker → · Palette generator →