#5184DD#5184DD

#5184DD is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.0% C 0.146 H 260.8°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#5184DD
RGB	rgb(81, 132, 221)
HSL	hsl(218, 67%, 59%)
HSV	hsv(218, 63%, 87%)
CMYK	cmyk(63.3%, 40.3%, 0%, 13.3%)
CIE-LAB	lab(55.55, 10.62, -50.57)
CIE-LCH	lch(55.55, 51.67, 281.86°)
OKLab	oklab(62.01% -0.0234 -0.144)
OKLCH	oklch(62.01% 0.146 260.8)
XYZ	xyz(24.6911, 23.4700, 71.6215)
Luminance	0.2347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5184DD #DDAA51

analogous

#51CADD #5184DD #6451DD

triadic

#5184DD #DD5184 #84DD51

tetradic

#5184DD #DD51CA #DDAA51 #51DD64

square

#5184DD #DD51CA #DDAA51 #51DD64

split-complementary

#5184DD #DD6451 #CADD51

monochromatic

#1D4996 #2762C9 #5184DD #84A8E7 #B7CCF1

Accessibility & contrast

On white

3.69

#5184DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#5184DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5184DD

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5184DD	#FFFFFF	#000000	##000000
##5184DD	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C8CE1

Deuteranopia (green-blind)

#487FDB

Tritanopia (blue-blind)

#0098A6

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #5184dd;
/* rgb */ color: rgb(81, 132, 221);
/* oklch */ color: oklch(62.0% 0.146 260.8);

Tailwind

colors: {
  custom: {
    50: '#8ea7e8',
    500: '#5184dd',
    950: '#000000',
  },
}

SCSS

$custom: #5184dd;
$custom-light: #8ea7e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5184dd",
  "rgb": {
    "r": 81,
    "g": 132,
    "b": 221
  },
  "hsl": {
    "h": 218.143,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.6201,
    "c": 0.14586,
    "h": 260.8
  },
  "luminance": 0.23472
}

Semantic roles & 50–950 ramp

primary

#5184DD

secondary

#E0CCAA

accent

#AB3EEA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #5184DD

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

Preview Lab → · Contrast checker → · Palette generator →