#1F598E#1F598E

#1F598E is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.4% C 0.105 H 249.7°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX#1F598E
RGBrgb(31, 89, 142)
HSLhsl(209, 64%, 34%)
HSVhsv(209, 78%, 56%)
CMYKcmyk(78.2%, 37.3%, 0%, 44.3%)
CIE-LABlab(36.72, 0.80, -34.63)
CIE-LCHlch(36.72, 34.64, 271.33°)
OKLaboklab(45.39% -0.0365 -0.0986)
OKLCHoklch(45.39% 0.105 249.7)
XYZxyz(9.0181, 9.3880, 26.9227)
Luminance0.0939 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F598E #8E541F
analogous
#1F8E8C #1F598E #1F218E
triadic
#1F598E #8E1F59 #598E1F
tetradic
#1F598E #8C1F8E #8E541F #218E1F
square
#1F598E #8C1F8E #8E541F #218E1F
split-complementary
#1F598E #8E1F21 #8E8C1F
monochromatic
#091A2A #143A5C #1F598E #2A78C0 #4F97D9

Accessibility & contrast

On white

7.30
#1F598E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.88
#1F598E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F598E
7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F598E#FFFFFF#000000##FFFFFF
##1F598E1.007.302.887.30
#FFFFFF7.301.0021.001.00
#0000002.8821.001.0021.00
##FFFFFF7.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#405C90
Deuteranopia (green-blind)
#30528D
Tritanopia (blue-blind)
#00666C
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #1f598e;
/* rgb */ color: rgb(31, 89, 142);
/* oklch */ color: oklch(45.4% 0.105 249.7);
Tailwind
colors: {
  custom: {
    50: '#6c87af',
    500: '#1f598e',
    950: '#000000',
  },
}
SCSS
$custom: #1f598e;
$custom-light: #6c87af;
$custom-dark: #000000;
JSON
{
  "hex": "#1f598e",
  "rgb": {
    "r": 31,
    "g": 89,
    "b": 142
  },
  "hsl": {
    "h": 208.649,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.45394,
    "c": 0.10515,
    "h": 249.7
  },
  "luminance": 0.09389
}

Semantic roles & 50–950 ramp

primary
#1F598E
secondary
#BB824D
accent
#9041E7
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#080B10
muted
#7A7C7F

Preview Lab

Preview with #1F598E

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

Preview Lab → · Contrast checker → · Palette generator →

#1F598E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva