#31687F#31687F

#31687F is a mid, moderate cyan. Relative luminance 0.121; OKLCH L 49.0% C 0.069 H 228.0°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#31687F
RGB	rgb(49, 104, 127)
HSL	hsl(198, 44%, 35%)
HSV	hsv(198, 61%, 50%)
CMYK	cmyk(61.4%, 18.1%, 0%, 50.2%)
CIE-LAB	lab(41.35, -10.80, -18.26)
CIE-LCH	lch(41.35, 21.21, 239.41°)
OKLab	oklab(48.99% -0.0459 -0.0509)
OKLCH	oklch(48.99% 0.069 228)
XYZ	xyz(10.0462, 12.0849, 21.8778)
Luminance	0.1209 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31687F #7F4831

analogous

#317F6F #31687F #31417F

triadic

#31687F #7F3168 #687F31

tetradic

#31687F #6F317F #7F4831 #417F31

square

#31687F #6F317F #7F4831 #417F31

split-complementary

#31687F #7F3141 #7F6F31

monochromatic

#0F2027 #204453 #31687F #428CAB #66A8C4

Accessibility & contrast

On white

6.15

#31687F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#31687F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31687F

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31687F	#FFFFFF	#000000	##FFFFFF
##31687F	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C6680

Deuteranopia (green-blind)

#515E7F

Tritanopia (blue-blind)

#006F6F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #31687f;
/* rgb */ color: rgb(49, 104, 127);
/* oklch */ color: oklch(49.0% 0.069 228.0);

Tailwind

colors: {
  custom: {
    50: '#7193a4',
    500: '#31687f',
    950: '#000000',
  },
}

SCSS

$custom: #31687f;
$custom-light: #7193a4;
$custom-dark: #000000;

JSON

{
  "hex": "#31687f",
  "rgb": {
    "r": 49,
    "g": 104,
    "b": 127
  },
  "hsl": {
    "h": 197.692,
    "s": 44.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.48994,
    "c": 0.06853,
    "h": 228
  },
  "luminance": 0.12086
}

Semantic roles & 50–950 ramp

primary

#31687F

secondary

#AB7660

accent

#7A54D4

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#080D0F

muted

#7B7E7F

Preview Lab

Preview with #31687F

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

Preview Lab → · Contrast checker → · Palette generator →