#51798D#51798D

#51798D is a mid, muted cyan. Relative luminance 0.173; OKLCH L 55.4% C 0.054 H 230.7°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#51798D
RGB	rgb(81, 121, 141)
HSL	hsl(200, 27%, 44%)
HSV	hsv(200, 43%, 55%)
CMYK	cmyk(42.6%, 14.2%, 0%, 44.7%)
CIE-LAB	lab(48.69, -8.43, -15.26)
CIE-LCH	lch(48.69, 17.44, 241.09°)
OKLab	oklab(55.43% -0.0345 -0.0421)
OKLCH	oklch(55.43% 0.054 230.7)
XYZ	xyz(15.0368, 17.3462, 27.7499)
Luminance	0.1735 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51798D #8D6551

analogous

#518D83 #51798D #515B8D

triadic

#51798D #8D5179 #798D51

tetradic

#51798D #83518D #8D6551 #5B8D51

square

#51798D #83518D #8D6551 #5B8D51

split-complementary

#51798D #8D515B #8D8351

monochromatic

#24363F #3B5866 #51798D #6F98AC #96B4C3

Accessibility & contrast

On white

4.70

#51798D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#51798D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51798D

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51798D	#FFFFFF	#000000	##FFFFFF
##51798D	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F788E

Deuteranopia (green-blind)

#66718D

Tritanopia (blue-blind)

#397F7F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #51798d;
/* rgb */ color: rgb(81, 121, 141);
/* oklch */ color: oklch(55.4% 0.054 230.7);

Tailwind

colors: {
  custom: {
    50: '#859fae',
    500: '#51798d',
    950: '#000000',
  },
}

SCSS

$custom: #51798d;
$custom-light: #859fae;
$custom-dark: #000000;

JSON

{
  "hex": "#51798d",
  "rgb": {
    "r": 81,
    "g": 121,
    "b": 141
  },
  "hsl": {
    "h": 200,
    "s": 27.027,
    "l": 43.529
  },
  "oklch": {
    "l": 0.55428,
    "c": 0.05442,
    "h": 230.7
  },
  "luminance": 0.17347
}

Semantic roles & 50–950 ramp

primary

#51798D

secondary

#AF978A

accent

#8464C3

background

#F8F9FA

surface

#EFF2F4

border

#CACCCE

text

#0B0E10

muted

#7C7E7F

Preview Lab

Preview with #51798D

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

Preview Lab → · Contrast checker → · Palette generator →