#51697B#51697B

#51697B is a mid, muted cyan. Relative luminance 0.133; OKLCH L 50.8% C 0.040 H 241.0°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#51697B
RGB	rgb(81, 105, 123)
HSL	hsl(206, 21%, 40%)
HSV	hsv(206, 34%, 48%)
CMYK	cmyk(34.1%, 14.6%, 0%, 51.8%)
CIE-LAB	lab(43.19, -4.14, -12.89)
CIE-LCH	lch(43.19, 13.54, 252.19°)
OKLab	oklab(50.85% -0.0196 -0.0354)
OKLCH	oklch(50.85% 0.04 241)
XYZ	xyz(12.0190, 13.2820, 20.6654)
Luminance	0.1328 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51697B #7B6351

analogous

#517B78 #51697B #51547B

triadic

#51697B #7B5169 #697B51

tetradic

#51697B #78517B #7B6351 #547B51

square

#51697B #78517B #7B6351 #547B51

split-complementary

#51697B #7B5154 #7B7851

monochromatic

#202A31 #394A56 #51697B #6B889E #90A6B6

Accessibility & contrast

On white

5.74

#51697B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#51697B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51697B

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51697B	#FFFFFF	#000000	##FFFFFF
##51697B	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61697C

Deuteranopia (green-blind)

#5C647B

Tritanopia (blue-blind)

#446D6F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #51697b;
/* rgb */ color: rgb(81, 105, 123);
/* oklch */ color: oklch(50.8% 0.040 241.0);

Tailwind

colors: {
  custom: {
    50: '#8393a1',
    500: '#51697b',
    950: '#000000',
  },
}

SCSS

$custom: #51697b;
$custom-light: #8393a1;
$custom-dark: #000000;

JSON

{
  "hex": "#51697b",
  "rgb": {
    "r": 81,
    "g": 105,
    "b": 123
  },
  "hsl": {
    "h": 205.714,
    "s": 20.588,
    "l": 40
  },
  "oklch": {
    "l": 0.50849,
    "c": 0.04047,
    "h": 241
  },
  "luminance": 0.13283
}

Semantic roles & 50–950 ramp

primary

#51697B

secondary

#A39284

accent

#8E6BBD

background

#F8F9F9

surface

#EFF1F2

border

#CACBCC

text

#0B0D0F

muted

#7C7E7E

Preview Lab

Preview with #51697B

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

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