#1F718B#1F718B

#1F718B is a mid, moderate cyan. Relative luminance 0.140; OKLCH L 51.3% C 0.085 H 223.9°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX#1F718B
RGBrgb(31, 113, 139)
HSLhsl(194, 64%, 33%)
HSVhsv(194, 78%, 55%)
CMYKcmyk(77.7%, 18.7%, 0%, 45.5%)
CIE-LABlab(44.18, -14.80, -21.16)
CIE-LCHlch(44.18, 25.82, 235.03°)
OKLaboklab(51.27% -0.0616 -0.0593)
OKLCHoklch(51.27% 0.085 223.9)
XYZxyz(11.1285, 13.9643, 26.5300)
Luminance0.1397 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F718B #8B391F
analogous
#1F8B6F #1F718B #1F3B8B
triadic
#1F718B #8B1F71 #718B1F
tetradic
#1F718B #6F1F8B #8B391F #3B8B1F
square
#1F718B #6F1F8B #8B391F #3B8B1F
split-complementary
#1F718B #8B1F3B #8B6F1F
monochromatic
#092027 #144859 #1F718B #2A9ABD #4DB6D7

Accessibility & contrast

On white

5.54
#1F718B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.79
#1F718B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F718B
5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F718B#FFFFFF#000000##FFFFFF
##1F718B1.005.543.795.54
#FFFFFF5.541.0021.001.00
#0000003.7921.001.0021.00
##FFFFFF5.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#626E8C
Deuteranopia (green-blind)
#54648B
Tritanopia (blue-blind)
#007979
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #1f718b;
/* rgb */ color: rgb(31, 113, 139);
/* oklch */ color: oklch(51.3% 0.085 223.9);
Tailwind
colors: {
  custom: {
    50: '#6c9aad',
    500: '#1f718b',
    950: '#000000',
  },
}
SCSS
$custom: #1f718b;
$custom-light: #6c9aad;
$custom-dark: #000000;
JSON
{
  "hex": "#1f718b",
  "rgb": {
    "r": 31,
    "g": 113,
    "b": 139
  },
  "hsl": {
    "h": 194.444,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.51269,
    "c": 0.08549,
    "h": 223.9
  },
  "luminance": 0.13966
}

Semantic roles & 50–950 ramp

primary
#1F718B
secondary
#BA664C
accent
#6941E7
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080E10
muted
#7B7E7F

Preview Lab

Preview with #1F718B

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

Preview Lab → · Contrast checker → · Palette generator →

#1F718B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva