#5183F4#5183F4

#5183F4 is a light, vivid blue. Relative luminance 0.245; OKLCH L 63.2% C 0.178 H 264.1°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#5183F4
RGB	rgb(81, 131, 244)
HSL	hsl(222, 88%, 64%)
HSV	hsv(222, 67%, 96%)
CMYK	cmyk(66.8%, 46.3%, 0%, 4.3%)
CIE-LAB	lab(56.60, 19.12, -61.72)
CIE-LCH	lch(56.60, 64.61, 287.21°)
OKLab	oklab(63.24% -0.0184 -0.1767)
OKLCH	oklch(63.24% 0.178 264.1)
XYZ	xyz(27.8330, 24.5108, 88.8347)
Luminance	0.2451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5183F4 #F4C251

analogous

#51D4F4 #5183F4 #7051F4

triadic

#5183F4 #F45183 #83F451

tetradic

#5183F4 #F451D4 #F4C251 #51F470

square

#5183F4 #F451D4 #F4C251 #51F470

split-complementary

#5183F4 #F47051 #D4F451

monochromatic

#0C43BF #175AF0 #5183F4 #8BACF8 #C4D5FB

Accessibility & contrast

On white

3.56

#5183F4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#5183F4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5183F4

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5183F4	#FFFFFF	#000000	##000000
##5183F4	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4990F8

Deuteranopia (green-blind)

#2681F2

Tritanopia (blue-blind)

#009DB0

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #5183f4;
/* rgb */ color: rgb(81, 131, 244);
/* oklch */ color: oklch(63.2% 0.178 264.1);

Tailwind

colors: {
  custom: {
    50: '#92a6f8',
    500: '#5183f4',
    950: '#000000',
  },
}

SCSS

$custom: #5183f4;
$custom-light: #92a6f8;
$custom-dark: #000000;

JSON

{
  "hex": "#5183f4",
  "rgb": {
    "r": 81,
    "g": 131,
    "b": 244
  },
  "hsl": {
    "h": 221.595,
    "s": 88.108,
    "l": 63.725
  },
  "oklch": {
    "l": 0.63237,
    "c": 0.1777,
    "h": 264.1
  },
  "luminance": 0.24514
}

Semantic roles & 50–950 ramp

primary

#5183F4

secondary

#EDDCB4

accent

#9F01E5

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5183F4

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

Preview Lab → · Contrast checker → · Palette generator →