#5179DF#5179DF

#5179DF is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.8% C 0.161 H 265.7°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#5179DF
RGB	rgb(81, 121, 223)
HSL	hsl(223, 69%, 60%)
HSV	hsv(223, 64%, 87%)
CMYK	cmyk(63.7%, 45.7%, 0%, 12.5%)
CIE-LAB	lab(52.67, 18.01, -56.29)
CIE-LCH	lch(52.67, 59.10, 287.74°)
OKLab	oklab(59.83% -0.0122 -0.1609)
OKLCH	oklch(59.83% 0.161 265.7)
XYZ	xyz(23.5454, 20.7496, 72.5620)
Luminance	0.2075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5179DF #DFB751

analogous

#51C0DF #5179DF #7051DF

triadic

#5179DF #DF5179 #79DF51

tetradic

#5179DF #DF51C0 #DFB751 #51DF70

square

#5179DF #DF51C0 #DFB751 #51DF70

split-complementary

#5179DF #DF7051 #C0DF51

monochromatic

#1C3F99 #2655CD #5179DF #85A1E9 #B8C9F2

Accessibility & contrast

On white

4.08

#5179DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#5179DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5179DF

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5179DF	#FFFFFF	#000000	##000000
##5179DF	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4785E3

Deuteranopia (green-blind)

#2D78DD

Tritanopia (blue-blind)

#0090A1

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #5179df;
/* rgb */ color: rgb(81, 121, 223);
/* oklch */ color: oklch(59.8% 0.161 265.7);

Tailwind

colors: {
  custom: {
    50: '#8f9fe9',
    500: '#5179df',
    950: '#000000',
  },
}

SCSS

$custom: #5179df;
$custom-light: #8f9fe9;
$custom-dark: #000000;

JSON

{
  "hex": "#5179df",
  "rgb": {
    "r": 81,
    "g": 121,
    "b": 223
  },
  "hsl": {
    "h": 223.099,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.59831,
    "c": 0.16138,
    "h": 265.7
  },
  "luminance": 0.20752
}

Semantic roles & 50–950 ramp

primary

#5179DF

secondary

#E1D2AA

accent

#BA3CEC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5179DF

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

Preview Lab → · Contrast checker → · Palette generator →