#5179DA#5179DA

#5179DA is a mid, vivid blue. Relative luminance 0.205; OKLCH L 59.5% C 0.155 H 265.2°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#5179DA
RGB	rgb(81, 121, 218)
HSL	hsl(222, 65%, 59%)
HSV	hsv(222, 63%, 85%)
CMYK	cmyk(62.8%, 44.5%, 0%, 14.5%)
CIE-LAB	lab(52.38, 16.30, -53.94)
CIE-LCH	lch(52.38, 56.35, 286.81°)
OKLab	oklab(59.51% -0.013 -0.154)
OKLCH	oklch(59.51% 0.155 265.2)
XYZ	xyz(22.8812, 20.4840, 69.0641)
Luminance	0.2049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5179DA #DAB251

analogous

#51BDDA #5179DA #6D51DA

triadic

#5179DA #DA5179 #79DA51

tetradic

#5179DA #DA51BD #DAB251 #51DA6D

square

#5179DA #DA51BD #DAB251 #51DA6D

split-complementary

#5179DA #DA6D51 #BDDA51

monochromatic

#1F4092 #2A57C4 #5179DA #83A0E5 #B6C7EF

Accessibility & contrast

On white

4.12

#5179DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#5179DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5179DA

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5179DA	#FFFFFF	#000000	##000000
##5179DA	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B84DE

Deuteranopia (green-blind)

#3477D8

Tritanopia (blue-blind)

#008F9F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #5179da;
/* rgb */ color: rgb(81, 121, 218);
/* oklch */ color: oklch(59.5% 0.155 265.2);

Tailwind

colors: {
  custom: {
    50: '#8e9fe6',
    500: '#5179da',
    950: '#000000',
  },
}

SCSS

$custom: #5179da;
$custom-light: #8e9fe6;
$custom-dark: #000000;

JSON

{
  "hex": "#5179da",
  "rgb": {
    "r": 81,
    "g": 121,
    "b": 218
  },
  "hsl": {
    "h": 222.482,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.5951,
    "c": 0.15458,
    "h": 265.2
  },
  "luminance": 0.20486
}

Semantic roles & 50–950 ramp

primary

#5179DA

secondary

#DECFA8

accent

#B740E8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #5179DA

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

Preview Lab → · Contrast checker → · Palette generator →