#1F678B#1F678B

#1F678B is a mid, moderate cyan. Relative luminance 0.119; OKLCH L 48.7% C 0.090 H 235.1°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX#1F678B
RGBrgb(31, 103, 139)
HSLhsl(200, 64%, 33%)
HSVhsv(200, 78%, 55%)
CMYKcmyk(77.7%, 25.9%, 0%, 45.5%)
CIE-LABlab(40.98, -9.00, -26.11)
CIE-LCHlch(40.98, 27.62, 250.98°)
OKLaboklab(48.71% -0.0513 -0.0736)
OKLCHoklch(48.71% 0.09 235.1)
XYZxyz(10.0737, 11.8547, 26.1784)
Luminance0.1186 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F678B #8B431F
analogous
#1F8B79 #1F678B #1F318B
triadic
#1F678B #8B1F67 #678B1F
tetradic
#1F678B #791F8B #8B431F #318B1F
square
#1F678B #791F8B #8B431F #318B1F
split-complementary
#1F678B #8B1F31 #8B791F
monochromatic
#091D27 #144259 #1F678B #2A8CBD #4DA9D7

Accessibility & contrast

On white

6.23
#1F678B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.37
#1F678B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F678B
6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F678B#FFFFFF#000000##FFFFFF
##1F678B1.006.233.376.23
#FFFFFF6.231.0021.001.00
#0000003.3721.001.0021.00
##FFFFFF6.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#56668D
Deuteranopia (green-blind)
#475C8A
Tritanopia (blue-blind)
#007073
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #1f678b;
/* rgb */ color: rgb(31, 103, 139);
/* oklch */ color: oklch(48.7% 0.090 235.1);
Tailwind
colors: {
  custom: {
    50: '#6c92ad',
    500: '#1f678b',
    950: '#000000',
  },
}
SCSS
$custom: #1f678b;
$custom-light: #6c92ad;
$custom-dark: #000000;
JSON
{
  "hex": "#1f678b",
  "rgb": {
    "r": 31,
    "g": 103,
    "b": 139
  },
  "hsl": {
    "h": 200,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.48714,
    "c": 0.08975,
    "h": 235.1
  },
  "luminance": 0.11856
}

Semantic roles & 50–950 ramp

primary
#1F678B
secondary
#BA714C
accent
#7841E7
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#080D10
muted
#7A7D7F

Preview Lab

Preview with #1F678B

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

Preview Lab → · Contrast checker → · Palette generator →

#1F678B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva