#5153E5#5153E5

#5153E5 is a mid, highly saturated blue. Relative luminance 0.136; OKLCH L 53.2% C 0.215 H 275.6°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#5153E5
RGB	rgb(81, 83, 229)
HSL	hsl(239, 74%, 61%)
HSV	hsv(239, 65%, 90%)
CMYK	cmyk(64.6%, 63.8%, 0%, 10.2%)
CIE-LAB	lab(43.64, 43.39, -74.31)
CIE-LCH	lch(43.64, 86.05, 300.28°)
OKLab	oklab(53.2% 0.0212 -0.2143)
OKLCH	oklch(53.2% 0.215 275.6)
XYZ	xyz(20.6248, 13.5912, 75.6500)
Luminance	0.1359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5153E5 #E5E351

analogous

#519DE5 #5153E5 #9951E5

triadic

#5153E5 #E55153 #53E551

tetradic

#5153E5 #E5519D #E5E351 #51E599

square

#5153E5 #E5519D #E5E351 #51E599

split-complementary

#5153E5 #E59951 #9DE551

monochromatic

#181AA3 #2023D8 #5153E5 #8688ED #BBBCF5

Accessibility & contrast

On white

5.65

#5153E5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#5153E5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5153E5

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5153E5	#FFFFFF	#000000	##FFFFFF
##5153E5	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EEA

Deuteranopia (green-blind)

#0061E2

Tritanopia (blue-blind)

#007994

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5153e5;
/* rgb */ color: rgb(81, 83, 229);
/* oklch */ color: oklch(53.2% 0.215 275.6);

Tailwind

colors: {
  custom: {
    50: '#9284ee',
    500: '#5153e5',
    950: '#000000',
  },
}

SCSS

$custom: #5153e5;
$custom-light: #9284ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5153e5",
  "rgb": {
    "r": 81,
    "g": 83,
    "b": 229
  },
  "hsl": {
    "h": 239.189,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.53196,
    "c": 0.21535,
    "h": 275.6
  },
  "luminance": 0.13593
}

Semantic roles & 50–950 ramp

primary

#5153E5

secondary

#E5E4AD

accent

#D30FD6

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B17

muted

#7E7C85

Preview Lab

Preview with #5153E5

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

Preview Lab → · Contrast checker → · Palette generator →