#518BB7#518BB7

#518BB7 is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.5% C 0.091 H 242.9°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#518BB7
RGB	rgb(81, 139, 183)
HSL	hsl(206, 41%, 52%)
HSV	hsv(206, 56%, 72%)
CMYK	cmyk(55.7%, 24%, 0%, 28.2%)
CIE-LAB	lab(55.72, -6.04, -28.81)
CIE-LCH	lch(55.72, 29.44, 258.16°)
OKLab	oklab(61.54% -0.0413 -0.0806)
OKLCH	oklch(61.54% 0.091 242.9)
XYZ	xyz(21.1701, 23.6316, 48.2363)
Luminance	0.2363 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518BB7 #B77D51

analogous

#51B7B0 #518BB7 #5158B7

triadic

#518BB7 #B7518B #8BB751

tetradic

#518BB7 #B051B7 #B77D51 #58B751

square

#518BB7 #B051B7 #B77D51 #58B751

split-complementary

#518BB7 #B75158 #B7B051

monochromatic

#294B64 #3B6B8F #518BB7 #7CA8C9 #A8C5DB

Accessibility & contrast

On white

3.67

#518BB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#518BB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518BB7

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518BB7	#FFFFFF	#000000	##000000
##518BB7	1.00	3.67	5.73	5.73
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788BB9

Deuteranopia (green-blind)

#6A81B6

Tritanopia (blue-blind)

#00969A

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #518bb7;
/* rgb */ color: rgb(81, 139, 183);
/* oklch */ color: oklch(61.5% 0.091 242.9);

Tailwind

colors: {
  custom: {
    50: '#89accc',
    500: '#518bb7',
    950: '#000000',
  },
}

SCSS

$custom: #518bb7;
$custom-light: #89accc;
$custom-dark: #000000;

JSON

{
  "hex": "#518bb7",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 183
  },
  "hsl": {
    "h": 205.882,
    "s": 41.463,
    "l": 51.765
  },
  "oklch": {
    "l": 0.6154,
    "c": 0.09061,
    "h": 242.9
  },
  "luminance": 0.23633
}

Semantic roles & 50–950 ramp

primary

#518BB7

secondary

#C8AF9C

accent

#8B57D1

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #518BB7

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

Preview Lab → · Contrast checker → · Palette generator →