#5155DC#5155DC

#5155DC is a mid, highly saturated blue. Relative luminance 0.134; OKLCH L 52.8% C 0.202 H 275.7°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#5155DC
RGB	rgb(81, 85, 220)
HSL	hsl(238, 67%, 59%)
HSV	hsv(238, 63%, 86%)
CMYK	cmyk(63.2%, 61.4%, 0%, 13.7%)
CIE-LAB	lab(43.38, 39.24, -69.62)
CIE-LCH	lch(43.38, 79.92, 299.41°)
OKLab	oklab(52.78% 0.0201 -0.2005)
OKLCH	oklch(52.78% 0.202 275.7)
XYZ	xyz(19.5559, 13.4120, 69.2545)
Luminance	0.1341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5155DC #DCD851

analogous

#519BDC #5155DC #9351DC

triadic

#5155DC #DC5155 #55DC51

tetradic

#5155DC #DC519B #DCD851 #51DC93

square

#5155DC #DC519B #DCD851 #51DC93

split-complementary

#5155DC #DC9351 #9BDC51

monochromatic

#1E2195 #282DC8 #5155DC #8487E6 #B7B9F0

Accessibility & contrast

On white

5.70

#5155DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#5155DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5155DC

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5155DC	#FFFFFF	#000000	##FFFFFF
##5155DC	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DE0

Deuteranopia (green-blind)

#0060D9

Tritanopia (blue-blind)

#007790

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5155dc;
/* rgb */ color: rgb(81, 85, 220);
/* oklch */ color: oklch(52.8% 0.202 275.7);

Tailwind

colors: {
  custom: {
    50: '#9085e8',
    500: '#5155dc',
    950: '#000000',
  },
}

SCSS

$custom: #5155dc;
$custom-light: #9085e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5155dc",
  "rgb": {
    "r": 81,
    "g": 85,
    "b": 220
  },
  "hsl": {
    "h": 238.273,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.5278,
    "c": 0.20156,
    "h": 275.7
  },
  "luminance": 0.13414
}

Semantic roles & 50–950 ramp

primary

#5155DC

secondary

#E0DEA9

accent

#E53EE9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5155DC

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

Preview Lab → · Contrast checker → · Palette generator →