#51697E#51697E

#51697E is a mid, muted cyan. Relative luminance 0.134; OKLCH L 51.0% C 0.044 H 245.2°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#51697E
RGB	rgb(81, 105, 126)
HSL	hsl(208, 22%, 41%)
HSV	hsv(208, 36%, 49%)
CMYK	cmyk(35.7%, 16.7%, 0%, 50.6%)
CIE-LAB	lab(43.30, -3.31, -14.53)
CIE-LCH	lch(43.30, 14.90, 257.17°)
OKLab	oklab(50.98% -0.0185 -0.04)
OKLCH	oklch(50.98% 0.044 245.2)
XYZ	xyz(12.2096, 13.3582, 21.6697)
Luminance	0.1336 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51697E #7E6651

analogous

#517E7C #51697E #51527E

triadic

#51697E #7E5169 #697E51

tetradic

#51697E #7C517E #7E6651 #527E51

square

#51697E #7C517E #7E6651 #527E51

split-complementary

#51697E #7E5152 #7E7C51

monochromatic

#212B33 #394A59 #51697E #6C88A0 #91A6B8

Accessibility & contrast

On white

5.72

#51697E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#51697E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51697E

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51697E	#FFFFFF	#000000	##FFFFFF
##51697E	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61697F

Deuteranopia (green-blind)

#5B647E

Tritanopia (blue-blind)

#426E70

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #51697e;
/* rgb */ color: rgb(81, 105, 126);
/* oklch */ color: oklch(51.0% 0.044 245.2);

Tailwind

colors: {
  custom: {
    50: '#8393a3',
    500: '#51697e',
    950: '#000000',
  },
}

SCSS

$custom: #51697e;
$custom-light: #8393a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51697e",
  "rgb": {
    "r": 81,
    "g": 105,
    "b": 126
  },
  "hsl": {
    "h": 208,
    "s": 21.739,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50976,
    "c": 0.04405,
    "h": 245.2
  },
  "luminance": 0.13359
}

Semantic roles & 50–950 ramp

primary

#51697E

secondary

#A59485

accent

#916ABE

background

#F8F9FA

surface

#EFF1F3

border

#CACBCD

text

#0B0D0F

muted

#7C7E7F

Preview Lab

Preview with #51697E

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

Preview Lab → · Contrast checker → · Palette generator →