#5179DB#5179DB

#5179DB is a mid, vivid blue. Relative luminance 0.205; OKLCH L 59.6% C 0.156 H 265.3°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#5179DB
RGB	rgb(81, 121, 219)
HSL	hsl(223, 66%, 59%)
HSV	hsv(223, 63%, 86%)
CMYK	cmyk(63%, 44.7%, 0%, 14.1%)
CIE-LAB	lab(52.44, 16.64, -54.42)
CIE-LCH	lch(52.44, 56.90, 287.00°)
OKLab	oklab(59.57% -0.0128 -0.1554)
OKLCH	oklch(59.57% 0.156 265.3)
XYZ	xyz(23.0125, 20.5365, 69.7553)
Luminance	0.2054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5179DB #DBB351

analogous

#51BEDB #5179DB #6E51DB

triadic

#5179DB #DB5179 #79DB51

tetradic

#5179DB #DB51BE #DBB351 #51DB6E

square

#5179DB #DB51BE #DBB351 #51DB6E

split-complementary

#5179DB #DB6E51 #BEDB51

monochromatic

#1E4093 #2956C6 #5179DB #84A0E5 #B6C7F0

Accessibility & contrast

On white

4.11

#5179DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#5179DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5179DB

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5179DB	#FFFFFF	#000000	##000000
##5179DB	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A84DF

Deuteranopia (green-blind)

#3377D9

Tritanopia (blue-blind)

#008F9F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #5179db;
/* rgb */ color: rgb(81, 121, 219);
/* oklch */ color: oklch(59.6% 0.156 265.3);

Tailwind

colors: {
  custom: {
    50: '#8e9fe7',
    500: '#5179db',
    950: '#000000',
  },
}

SCSS

$custom: #5179db;
$custom-light: #8e9fe7;
$custom-dark: #000000;

JSON

{
  "hex": "#5179db",
  "rgb": {
    "r": 81,
    "g": 121,
    "b": 219
  },
  "hsl": {
    "h": 222.609,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.59574,
    "c": 0.15594,
    "h": 265.3
  },
  "luminance": 0.20539
}

Semantic roles & 50–950 ramp

primary

#5179DB

secondary

#DFCFA9

accent

#B83FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #5179DB

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

Preview Lab → · Contrast checker → · Palette generator →