#1F6388#1F6388

#1F6388 is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.5% C 0.089 H 237.1°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX#1F6388
RGBrgb(31, 99, 136)
HSLhsl(201, 63%, 33%)
HSVhsv(201, 77%, 53%)
CMYKcmyk(77.2%, 27.2%, 0%, 46.7%)
CIE-LABlab(39.57, -7.72, -26.52)
CIE-LCHlch(39.57, 27.62, 253.77°)
OKLaboklab(47.54% -0.0483 -0.0748)
OKLCHoklch(47.54% 0.089 237.1)
XYZxyz(9.4691, 10.9914, 24.9103)
Luminance0.1099 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F6388 #88441F
analogous
#1F8878 #1F6388 #1F2E88
triadic
#1F6388 #881F63 #63881F
tetradic
#1F6388 #781F88 #88441F #2E881F
square
#1F6388 #781F88 #88441F #2E881F
split-complementary
#1F6388 #881F2E #88781F
monochromatic
#081A24 #143F56 #1F6388 #2A87BA #4BA5D6

Accessibility & contrast

On white

6.57
#1F6388 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.20
#1F6388 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F6388
6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F6388#FFFFFF#000000##FFFFFF
##1F63881.006.573.206.57
#FFFFFF6.571.0021.001.00
#0000003.2021.001.0021.00
##FFFFFF6.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#51638A
Deuteranopia (green-blind)
#435987
Tritanopia (blue-blind)
#006C70
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #1f6388;
/* rgb */ color: rgb(31, 99, 136);
/* oklch */ color: oklch(47.5% 0.089 237.1);
Tailwind
colors: {
  custom: {
    50: '#6b8fab',
    500: '#1f6388',
    950: '#000000',
  },
}
SCSS
$custom: #1f6388;
$custom-light: #6b8fab;
$custom-dark: #000000;
JSON
{
  "hex": "#1f6388",
  "rgb": {
    "r": 31,
    "g": 99,
    "b": 136
  },
  "hsl": {
    "h": 201.143,
    "s": 62.874,
    "l": 32.745
  },
  "oklch": {
    "l": 0.47539,
    "c": 0.08909,
    "h": 237.1
  },
  "luminance": 0.10993
}

Semantic roles & 50–950 ramp

primary
#1F6388
secondary
#B9714A
accent
#7C42E6
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#080C10
muted
#7A7D7F

Preview Lab

Preview with #1F6388

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

Preview Lab → · Contrast checker → · Palette generator →

#1F6388 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva