#5153EB#5153EB

#5153EB is a mid, highly saturated blue. Relative luminance 0.139; OKLCH L 53.7% C 0.223 H 275.3°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#5153EB
RGB	rgb(81, 83, 235)
HSL	hsl(239, 79%, 62%)
HSV	hsv(239, 66%, 92%)
CMYK	cmyk(65.5%, 64.7%, 0%, 7.8%)
CIE-LAB	lab(44.14, 45.34, -76.89)
CIE-LCH	lch(44.14, 89.26, 300.53°)
OKLab	oklab(53.71% 0.0207 -0.2219)
OKLCH	oklch(53.71% 0.223 275.3)
XYZ	xyz(21.4771, 13.9321, 80.1385)
Luminance	0.1393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5153EB #EBE951

analogous

#51A0EB #5153EB #9C51EB

triadic

#5153EB #EB5153 #53EB51

tetradic

#5153EB #EB51A0 #EBE951 #51EB9C

square

#5153EB #EB51A0 #EBE951 #51EB9C

split-complementary

#5153EB #EB9C51 #A0EB51

monochromatic

#1416AE #1A1DE5 #5153EB #8889F1 #BFC0F8

Accessibility & contrast

On white

5.55

#5153EB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#5153EB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5153EB

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5153EB	#FFFFFF	#000000	##FFFFFF
##5153EB	1.00	5.55	3.79	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FF0

Deuteranopia (green-blind)

#0061E8

Tritanopia (blue-blind)

#007B98

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5153eb;
/* rgb */ color: rgb(81, 83, 235);
/* oklch */ color: oklch(53.7% 0.223 275.3);

Tailwind

colors: {
  custom: {
    50: '#9384f3',
    500: '#5153eb',
    950: '#000000',
  },
}

SCSS

$custom: #5153eb;
$custom-light: #9384f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5153eb",
  "rgb": {
    "r": 81,
    "g": 83,
    "b": 235
  },
  "hsl": {
    "h": 239.221,
    "s": 79.381,
    "l": 61.961
  },
  "oklch": {
    "l": 0.53709,
    "c": 0.22284,
    "h": 275.3
  },
  "luminance": 0.13934
}

Semantic roles & 50–950 ramp

primary

#5153EB

secondary

#E8E8B0

accent

#D90ADC

background

#F9F8FF

surface

#F2EFFE

border

#CCCAD6

text

#0F0B17

muted

#7E7C85

Preview Lab

Preview with #5153EB

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

Preview Lab → · Contrast checker → · Palette generator →