#5166A2#5166A2

#5166A2 is a mid, moderate blue. Relative luminance 0.139; OKLCH L 52.1% C 0.098 H 268.3°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#5166A2
RGB	rgb(81, 102, 162)
HSL	hsl(224, 33%, 48%)
HSV	hsv(224, 50%, 64%)
CMYK	cmyk(50%, 37%, 0%, 36.5%)
CIE-LAB	lab(44.03, 9.41, -34.89)
CIE-LCH	lch(44.03, 36.14, 285.10°)
OKLab	oklab(52.08% -0.003 -0.0984)
OKLCH	oklch(52.08% 0.098 268.3)
XYZ	xyz(14.6642, 13.8598, 36.0779)
Luminance	0.1386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5166A2 #A28D51

analogous

#518FA2 #5166A2 #6451A2

triadic

#5166A2 #A25166 #66A251

tetradic

#5166A2 #A2518F #A28D51 #51A264

square

#5166A2 #A2518F #A28D51 #51A264

split-complementary

#5166A2 #A26451 #8FA251

monochromatic

#283350 #3D4C79 #5166A2 #7688BA #9FABCF

Accessibility & contrast

On white

5.57

#5166A2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#5166A2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5166A2

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5166A2	#FFFFFF	#000000	##FFFFFF
##5166A2	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F6CA4

Deuteranopia (green-blind)

#4765A1

Tritanopia (blue-blind)

#2F737C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5166a2;
/* rgb */ color: rgb(81, 102, 162);
/* oklch */ color: oklch(52.1% 0.098 268.3);

Tailwind

colors: {
  custom: {
    50: '#8791be',
    500: '#5166a2',
    950: '#000000',
  },
}

SCSS

$custom: #5166a2;
$custom-light: #8791be;
$custom-dark: #000000;

JSON

{
  "hex": "#5166a2",
  "rgb": {
    "r": 81,
    "g": 102,
    "b": 162
  },
  "hsl": {
    "h": 224.444,
    "s": 33.333,
    "l": 47.647
  },
  "oklch": {
    "l": 0.52078,
    "c": 0.09848,
    "h": 268.3
  },
  "luminance": 0.13861
}

Semantic roles & 50–950 ramp

primary

#5166A2

secondary

#BCB193

accent

#AE5EC9

background

#F8F8FB

surface

#F0F0F6

border

#CBCBD0

text

#0C0C12

muted

#7D7D81

Preview Lab

Preview with #5166A2

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

Preview Lab → · Contrast checker → · Palette generator →