#518BBD#518BBD

#518BBD is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.8% C 0.098 H 246.2°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#518BBD
RGB	rgb(81, 139, 189)
HSL	hsl(208, 45%, 53%)
HSV	hsv(208, 57%, 74%)
CMYK	cmyk(57.1%, 26.5%, 0%, 25.9%)
CIE-LAB	lab(55.97, -4.13, -31.83)
CIE-LCH	lch(55.97, 32.10, 262.60°)
OKLab	oklab(61.83% -0.0393 -0.0893)
OKLCH	oklch(61.83% 0.098 246.2)
XYZ	xyz(21.8079, 23.8868, 51.5956)
Luminance	0.2389 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518BBD #BD8351

analogous

#51BDB9 #518BBD #5155BD

triadic

#518BBD #BD518B #8BBD51

tetradic

#518BBD #B951BD #BD8351 #55BD51

square

#518BBD #B951BD #BD8351 #55BD51

split-complementary

#518BBD #BD5155 #BDB951

monochromatic

#294C6B #396C97 #518BBD #7DA9CE #AAC6DF

Accessibility & contrast

On white

3.63

#518BBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#518BBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518BBD

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518BBD	#FFFFFF	#000000	##000000
##518BBD	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768CBF

Deuteranopia (green-blind)

#6781BC

Tritanopia (blue-blind)

#00979C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #518bbd;
/* rgb */ color: rgb(81, 139, 189);
/* oklch */ color: oklch(61.8% 0.098 246.2);

Tailwind

colors: {
  custom: {
    50: '#8aacd1',
    500: '#518bbd',
    950: '#000000',
  },
}

SCSS

$custom: #518bbd;
$custom-light: #8aacd1;
$custom-dark: #000000;

JSON

{
  "hex": "#518bbd",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 189
  },
  "hsl": {
    "h": 207.778,
    "s": 45,
    "l": 52.941
  },
  "oklch": {
    "l": 0.61828,
    "c": 0.09761,
    "h": 246.2
  },
  "luminance": 0.23889
}

Semantic roles & 50–950 ramp

primary

#518BBD

secondary

#CCB39E

accent

#8F53D5

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #518BBD

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

Preview Lab → · Contrast checker → · Palette generator →