#5180DB#5180DB

#5180DB is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.0% C 0.148 H 262.3°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#5180DB
RGB	rgb(81, 128, 219)
HSL	hsl(220, 66%, 59%)
HSV	hsv(220, 63%, 86%)
CMYK	cmyk(63%, 41.6%, 0%, 14.1%)
CIE-LAB	lab(54.34, 12.36, -51.37)
CIE-LCH	lch(54.34, 52.84, 283.53°)
OKLab	oklab(61.04% -0.0198 -0.1464)
OKLCH	oklch(61.04% 0.148 262.3)
XYZ	xyz(23.8942, 22.2999, 70.0492)
Luminance	0.2230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5180DB #DBAC51

analogous

#51C5DB #5180DB #6751DB

triadic

#5180DB #DB5180 #80DB51

tetradic

#5180DB #DB51C5 #DBAC51 #51DB67

square

#5180DB #DB51C5 #DBAC51 #51DB67

split-complementary

#5180DB #DB6751 #C5DB51

monochromatic

#1E4693 #295EC6 #5180DB #84A5E5 #B6CAF0

Accessibility & contrast

On white

3.85

#5180DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#5180DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5180DB

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5180DB	#FFFFFF	#000000	##000000
##5180DB	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5789DF

Deuteranopia (green-blind)

#427CD9

Tritanopia (blue-blind)

#0095A3

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #5180db;
/* rgb */ color: rgb(81, 128, 219);
/* oklch */ color: oklch(61.0% 0.148 262.3);

Tailwind

colors: {
  custom: {
    50: '#8ea4e7',
    500: '#5180db',
    950: '#000000',
  },
}

SCSS

$custom: #5180db;
$custom-light: #8ea4e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5180db",
  "rgb": {
    "r": 81,
    "g": 128,
    "b": 219
  },
  "hsl": {
    "h": 219.565,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.6104,
    "c": 0.14771,
    "h": 262.3
  },
  "luminance": 0.22302
}

Semantic roles & 50–950 ramp

primary

#5180DB

secondary

#DFCDA9

accent

#AF3FE9

background

#F9FAFE

surface

#F2F3FC

border

#CCCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #5180DB

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

Preview Lab → · Contrast checker → · Palette generator →