#5179BD#5179BD

#5179BD is a mid, moderate blue. Relative luminance 0.191; OKLCH L 57.8% C 0.115 H 260.5°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#5179BD
RGB	rgb(81, 121, 189)
HSL	hsl(218, 45%, 53%)
HSV	hsv(218, 57%, 74%)
CMYK	cmyk(57.1%, 36%, 0%, 25.9%)
CIE-LAB	lab(50.80, 6.52, -39.94)
CIE-LCH	lch(50.80, 40.47, 279.28°)
OKLab	oklab(57.78% -0.019 -0.113)
OKLCH	oklch(57.78% 0.115 260.5)
XYZ	xyz(19.4128, 19.0966, 50.7973)
Luminance	0.1910 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5179BD #BD9551

analogous

#51AFBD #5179BD #5F51BD

triadic

#5179BD #BD5179 #79BD51

tetradic

#5179BD #BD51AF #BD9551 #51BD5F

square

#5179BD #BD51AF #BD9551 #51BD5F

split-complementary

#5179BD #BD5F51 #AFBD51

monochromatic

#29416B #395C97 #5179BD #7D9BCE #AABDDF

Accessibility & contrast

On white

4.36

#5179BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#5179BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5179BD

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5179BD	#FFFFFF	#000000	##000000
##5179BD	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7EC0

Deuteranopia (green-blind)

#4F74BC

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5179bd;
/* rgb */ color: rgb(81, 121, 189);
/* oklch */ color: oklch(57.8% 0.115 260.5);

Tailwind

colors: {
  custom: {
    50: '#8a9fd1',
    500: '#5179bd',
    950: '#000000',
  },
}

SCSS

$custom: #5179bd;
$custom-light: #8a9fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#5179bd",
  "rgb": {
    "r": 81,
    "g": 121,
    "b": 189
  },
  "hsl": {
    "h": 217.778,
    "s": 45,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57776,
    "c": 0.11459,
    "h": 260.5
  },
  "luminance": 0.19098
}

Semantic roles & 50–950 ramp

primary

#5179BD

secondary

#CCBB9E

accent

#A553D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #5179BD

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

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