#1F598C#1F598C

#1F598C is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.3% C 0.102 H 248.8°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX#1F598C
RGBrgb(31, 89, 140)
HSLhsl(208, 64%, 34%)
HSVhsv(208, 78%, 55%)
CMYKcmyk(77.9%, 36.4%, 0%, 45.1%)
CIE-LABlab(36.61, 0.02, -33.59)
CIE-LCHlch(36.61, 33.59, 270.04°)
OKLaboklab(45.27% -0.037 -0.0956)
OKLCHoklch(45.27% 0.103 248.8)
XYZxyz(8.8693, 9.3285, 26.1390)
Luminance0.0933 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F598C #8C521F
analogous
#1F8C88 #1F598C #1F238C
triadic
#1F598C #8C1F59 #598C1F
tetradic
#1F598C #881F8C #8C521F #238C1F
square
#1F598C #881F8C #8C521F #238C1F
split-complementary
#1F598C #8C1F23 #8C881F
monochromatic
#091928 #14395A #1F598C #2A79BE #4E97D8

Accessibility & contrast

On white

7.33
#1F598C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.87
#1F598C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F598C
7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F598C#FFFFFF#000000##FFFFFF
##1F598C1.007.332.877.33
#FFFFFF7.331.0021.001.00
#0000002.8721.001.0021.00
##FFFFFF7.331.0021.001.00

Color blindness preview

Protanopia (red-blind)
#415C8E
Deuteranopia (green-blind)
#31528B
Tritanopia (blue-blind)
#00656C
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #1f598c;
/* rgb */ color: rgb(31, 89, 140);
/* oklch */ color: oklch(45.3% 0.102 248.8);
Tailwind
colors: {
  custom: {
    50: '#6b87ae',
    500: '#1f598c',
    950: '#000000',
  },
}
SCSS
$custom: #1f598c;
$custom-light: #6b87ae;
$custom-dark: #000000;
JSON
{
  "hex": "#1f598c",
  "rgb": {
    "r": 31,
    "g": 89,
    "b": 140
  },
  "hsl": {
    "h": 208.073,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.4527,
    "c": 0.1025,
    "h": 248.8
  },
  "luminance": 0.0933
}

Semantic roles & 50–950 ramp

primary
#1F598C
secondary
#BB804C
accent
#8F41E7
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#080B10
muted
#7A7C7F

Preview Lab

Preview with #1F598C

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

Preview Lab → · Contrast checker → · Palette generator →

#1F598C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva