#5179BF#5179BF

#5179BF is a mid, moderate blue. Relative luminance 0.192; OKLCH L 57.9% C 0.117 H 260.9°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#5179BF
RGB	rgb(81, 121, 191)
HSL	hsl(218, 46%, 53%)
HSV	hsv(218, 58%, 75%)
CMYK	cmyk(57.6%, 36.6%, 0%, 25.1%)
CIE-LAB	lab(50.90, 7.19, -40.93)
CIE-LCH	lch(50.90, 41.56, 279.96°)
OKLab	oklab(57.89% -0.0185 -0.1159)
OKLCH	oklch(57.89% 0.117 260.9)
XYZ	xyz(19.6314, 19.1840, 51.9485)
Luminance	0.1919 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5179BF #BF9751

analogous

#51B0BF #5179BF #6051BF

triadic

#5179BF #BF5179 #79BF51

tetradic

#5179BF #BF51B0 #BF9751 #51BF60

square

#5179BF #BF51B0 #BF9751 #51BF60

split-complementary

#5179BF #BF6051 #B0BF51

monochromatic

#28416D #395C9A #5179BF #7E9BCF #AABEE0

Accessibility & contrast

On white

4.34

#5179BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#5179BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5179BF

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5179BF	#FFFFFF	#000000	##000000
##5179BF	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7FC2

Deuteranopia (green-blind)

#4E75BE

Tritanopia (blue-blind)

#008993

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5179bf;
/* rgb */ color: rgb(81, 121, 191);
/* oklch */ color: oklch(57.9% 0.117 260.9);

Tailwind

colors: {
  custom: {
    50: '#8a9fd2',
    500: '#5179bf',
    950: '#000000',
  },
}

SCSS

$custom: #5179bf;
$custom-light: #8a9fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#5179bf",
  "rgb": {
    "r": 81,
    "g": 121,
    "b": 191
  },
  "hsl": {
    "h": 218.182,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.57888,
    "c": 0.11735,
    "h": 260.9
  },
  "luminance": 0.19186
}

Semantic roles & 50–950 ramp

primary

#5179BF

secondary

#CEBC9E

accent

#A652D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #5179BF

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

Preview Lab → · Contrast checker → · Palette generator →