#5179CD#5179CD

#5179CD is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.7% C 0.137 H 263.5°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#5179CD
RGB	rgb(81, 121, 205)
HSL	hsl(221, 55%, 56%)
HSV	hsv(221, 60%, 80%)
CMYK	cmyk(60.5%, 41%, 0%, 19.6%)
CIE-LAB	lab(51.64, 11.88, -47.75)
CIE-LCH	lch(51.64, 49.21, 283.97°)
OKLab	oklab(58.71% -0.0154 -0.1358)
OKLCH	oklch(58.71% 0.137 263.5)
XYZ	xyz(21.2463, 19.8300, 60.4537)
Luminance	0.1983 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5179CD #CDA551

analogous

#51B7CD #5179CD #6751CD

triadic

#5179CD #CD5179 #79CD51

tetradic

#5179CD #CD51B7 #CDA551 #51CD67

square

#5179CD #CD51B7 #CDA551 #51CD67

split-complementary

#5179CD #CD6751 #B7CD51

monochromatic

#25427F #325AAF #5179CD #819EDB #B0C2E8

Accessibility & contrast

On white

4.23

#5179CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#5179CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5179CD

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5179CD	#FFFFFF	#000000	##000000
##5179CD	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5481D0

Deuteranopia (green-blind)

#4376CB

Tritanopia (blue-blind)

#008C99

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5179cd;
/* rgb */ color: rgb(81, 121, 205);
/* oklch */ color: oklch(58.7% 0.137 263.5);

Tailwind

colors: {
  custom: {
    50: '#8c9fdd',
    500: '#5179cd',
    950: '#000000',
  },
}

SCSS

$custom: #5179cd;
$custom-light: #8c9fdd;
$custom-dark: #000000;

JSON

{
  "hex": "#5179cd",
  "rgb": {
    "r": 81,
    "g": 121,
    "b": 205
  },
  "hsl": {
    "h": 220.645,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.58705,
    "c": 0.13672,
    "h": 263.5
  },
  "luminance": 0.19832
}

Semantic roles & 50–950 ramp

primary

#5179CD

secondary

#D7C6A3

accent

#AE49DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5179CD

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

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