#51697D#51697D

#51697D is a mid, muted cyan. Relative luminance 0.133; OKLCH L 50.9% C 0.043 H 243.9°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#51697D
RGB	rgb(81, 105, 125)
HSL	hsl(207, 21%, 40%)
HSV	hsv(207, 35%, 49%)
CMYK	cmyk(35.2%, 16%, 0%, 51%)
CIE-LAB	lab(43.26, -3.59, -13.99)
CIE-LCH	lch(43.26, 14.44, 255.60°)
OKLab	oklab(50.93% -0.0188 -0.0385)
OKLCH	oklch(50.93% 0.043 243.9)
XYZ	xyz(12.1454, 13.3326, 21.3315)
Luminance	0.1333 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51697D #7D6551

analogous

#517D7B #51697D #51537D

triadic

#51697D #7D5169 #697D51

tetradic

#51697D #7B517D #7D6551 #537D51

square

#51697D #7B517D #7D6551 #537D51

split-complementary

#51697D #7D5153 #7D7B51

monochromatic

#212B33 #394A58 #51697D #6C88A0 #91A6B8

Accessibility & contrast

On white

5.73

#51697D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#51697D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51697D

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51697D	#FFFFFF	#000000	##FFFFFF
##51697D	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61697E

Deuteranopia (green-blind)

#5B647D

Tritanopia (blue-blind)

#436E6F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #51697d;
/* rgb */ color: rgb(81, 105, 125);
/* oklch */ color: oklch(50.9% 0.043 243.9);

Tailwind

colors: {
  custom: {
    50: '#8393a2',
    500: '#51697d',
    950: '#000000',
  },
}

SCSS

$custom: #51697d;
$custom-light: #8393a2;
$custom-dark: #000000;

JSON

{
  "hex": "#51697d",
  "rgb": {
    "r": 81,
    "g": 105,
    "b": 125
  },
  "hsl": {
    "h": 207.273,
    "s": 21.359,
    "l": 40.392
  },
  "oklch": {
    "l": 0.50933,
    "c": 0.04283,
    "h": 243.9
  },
  "luminance": 0.13333
}

Semantic roles & 50–950 ramp

primary

#51697D

secondary

#A59385

accent

#906ABE

background

#F8F9FA

surface

#EFF1F3

border

#CACBCD

text

#0B0D0F

muted

#7C7E7F

Preview Lab

Preview with #51697D

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

Preview Lab → · Contrast checker → · Palette generator →