#5184DB#5184DB

#5184DB is a mid, vivid blue. Relative luminance 0.234; OKLCH L 61.9% C 0.143 H 260.4°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#5184DB
RGB	rgb(81, 132, 219)
HSL	hsl(218, 66%, 59%)
HSV	hsv(218, 63%, 86%)
CMYK	cmyk(63%, 39.7%, 0%, 14.1%)
CIE-LAB	lab(55.45, 9.94, -49.62)
CIE-LCH	lch(55.45, 50.60, 281.32°)
OKLab	oklab(61.89% -0.0238 -0.1412)
OKLCH	oklch(61.89% 0.143 260.4)
XYZ	xyz(24.4263, 23.3641, 70.2266)
Luminance	0.2337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5184DB #DBA851

analogous

#51C9DB #5184DB #6351DB

triadic

#5184DB #DB5184 #84DB51

tetradic

#5184DB #DB51C9 #DBA851 #51DB63

square

#5184DB #DB51C9 #DBA851 #51DB63

split-complementary

#5184DB #DB6351 #C9DB51

monochromatic

#1E4A93 #2963C6 #5184DB #84A8E5 #B6CCF0

Accessibility & contrast

On white

3.70

#5184DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#5184DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5184DB

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5184DB	#FFFFFF	#000000	##000000
##5184DB	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D8CDE

Deuteranopia (green-blind)

#497FD9

Tritanopia (blue-blind)

#0098A5

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #5184db;
/* rgb */ color: rgb(81, 132, 219);
/* oklch */ color: oklch(61.9% 0.143 260.4);

Tailwind

colors: {
  custom: {
    50: '#8ea7e6',
    500: '#5184db',
    950: '#000000',
  },
}

SCSS

$custom: #5184db;
$custom-light: #8ea7e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5184db",
  "rgb": {
    "r": 81,
    "g": 132,
    "b": 219
  },
  "hsl": {
    "h": 217.826,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.61892,
    "c": 0.14318,
    "h": 260.4
  },
  "luminance": 0.23366
}

Semantic roles & 50–950 ramp

primary

#5184DB

secondary

#DFCBA9

accent

#AA3FE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #5184DB

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

Preview Lab → · Contrast checker → · Palette generator →