#5179E4#5179E4

#5179E4 is a mid, vivid blue. Relative luminance 0.210; OKLCH L 60.2% C 0.168 H 266.1°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#5179E4
RGB	rgb(81, 121, 228)
HSL	hsl(224, 73%, 61%)
HSV	hsv(224, 64%, 89%)
CMYK	cmyk(64.5%, 46.9%, 0%, 10.6%)
CIE-LAB	lab(52.98, 19.73, -58.62)
CIE-LCH	lch(52.98, 61.85, 288.60°)
OKLab	oklab(60.16% -0.0115 -0.1678)
OKLCH	oklch(60.16% 0.168 266.1)
XYZ	xyz(24.2295, 21.0233, 76.1648)
Luminance	0.2103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5179E4 #E4BC51

analogous

#51C3E4 #5179E4 #7251E4

triadic

#5179E4 #E45179 #79E451

tetradic

#5179E4 #E451C3 #E4BC51 #51E472

square

#5179E4 #E451C3 #E4BC51 #51E472

split-complementary

#5179E4 #E47251 #C3E451

monochromatic

#193EA2 #2153D7 #5179E4 #86A2EC #BBCBF4

Accessibility & contrast

On white

4.03

#5179E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#5179E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5179E4

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5179E4	#FFFFFF	#000000	##000000
##5179E4	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4286E8

Deuteranopia (green-blind)

#2478E2

Tritanopia (blue-blind)

#0092A3

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #5179e4;
/* rgb */ color: rgb(81, 121, 228);
/* oklch */ color: oklch(60.2% 0.168 266.1);

Tailwind

colors: {
  custom: {
    50: '#909fed',
    500: '#5179e4',
    950: '#000000',
  },
}

SCSS

$custom: #5179e4;
$custom-light: #909fed;
$custom-dark: #000000;

JSON

{
  "hex": "#5179e4",
  "rgb": {
    "r": 81,
    "g": 121,
    "b": 228
  },
  "hsl": {
    "h": 223.673,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.60157,
    "c": 0.16815,
    "h": 266.1
  },
  "luminance": 0.21026
}

Semantic roles & 50–950 ramp

primary

#5179E4

secondary

#E4D5AC

accent

#A010D5

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5179E4

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

Preview Lab → · Contrast checker → · Palette generator →