#5181A2#5181A2

#5181A2 is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.2% C 0.073 H 239.7°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#5181A2
RGB	rgb(81, 129, 162)
HSL	hsl(204, 33%, 48%)
HSV	hsv(204, 50%, 64%)
CMYK	cmyk(50%, 20.4%, 0%, 36.5%)
CIE-LAB	lab(51.90, -6.81, -22.63)
CIE-LCH	lch(51.90, 23.64, 253.24°)
OKLab	oklab(58.24% -0.0367 -0.063)
OKLCH	oklch(58.24% 0.073 239.7)
XYZ	xyz(17.7629, 20.0571, 37.1108)
Luminance	0.2006 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5181A2 #A27251

analogous

#51A29A #5181A2 #5159A2

triadic

#5181A2 #A25181 #81A251

tetradic

#5181A2 #9A51A2 #A27251 #59A251

square

#5181A2 #9A51A2 #A27251 #59A251

split-complementary

#5181A2 #A25159 #A29A51

monochromatic

#284050 #3D6179 #5181A2 #769EBA #9FBBCF

Accessibility & contrast

On white

4.19

#5181A2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#5181A2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5181A2

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5181A2	#FFFFFF	#000000	##000000
##5181A2	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7281A4

Deuteranopia (green-blind)

#6778A1

Tritanopia (blue-blind)

#29898C

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #5181a2;
/* rgb */ color: rgb(81, 129, 162);
/* oklch */ color: oklch(58.2% 0.073 239.7);

Tailwind

colors: {
  custom: {
    50: '#87a5bd',
    500: '#5181a2',
    950: '#000000',
  },
}

SCSS

$custom: #5181a2;
$custom-light: #87a5bd;
$custom-dark: #000000;

JSON

{
  "hex": "#5181a2",
  "rgb": {
    "r": 81,
    "g": 129,
    "b": 162
  },
  "hsl": {
    "h": 204.444,
    "s": 33.333,
    "l": 47.647
  },
  "oklch": {
    "l": 0.58238,
    "c": 0.0729,
    "h": 239.7
  },
  "luminance": 0.20058
}

Semantic roles & 50–950 ramp

primary

#5181A2

secondary

#BCA493

accent

#8A5EC9

background

#F8FAFB

surface

#F0F4F6

border

#CBCED0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #5181A2

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

Preview Lab → · Contrast checker → · Palette generator →