#1F5B90#1F5B90

#1F5B90 is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 46.0% C 0.106 H 249.0°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX#1F5B90
RGBrgb(31, 91, 144)
HSLhsl(208, 65%, 34%)
HSVhsv(208, 78%, 56%)
CMYKcmyk(78.5%, 36.8%, 0%, 43.5%)
CIE-LABlab(37.46, 0.31, -34.68)
CIE-LCHlch(37.46, 34.68, 270.50°)
OKLaboklab(46.01% -0.0378 -0.0987)
OKLCHoklch(46.01% 0.106 249)
XYZxyz(9.3383, 9.7860, 27.7769)
Luminance0.0979 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F5B90 #90541F
analogous
#1F908D #1F5B90 #1F2290
triadic
#1F5B90 #901F5B #5B901F
tetradic
#1F5B90 #8D1F90 #90541F #22901F
square
#1F5B90 #8D1F90 #90541F #22901F
split-complementary
#1F5B90 #901F22 #908D1F
monochromatic
#091B2B #143B5E #1F5B90 #2A7BC2 #5099D9

Accessibility & contrast

On white

7.10
#1F5B90 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.96
#1F5B90 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5B90
7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F5B90#FFFFFF#000000##FFFFFF
##1F5B901.007.102.967.10
#FFFFFF7.101.0021.001.00
#0000002.9621.001.0021.00
##FFFFFF7.101.0021.001.00

Color blindness preview

Protanopia (red-blind)
#425E92
Deuteranopia (green-blind)
#32538F
Tritanopia (blue-blind)
#00686E
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #1f5b90;
/* rgb */ color: rgb(31, 91, 144);
/* oklch */ color: oklch(46.0% 0.106 249.0);
Tailwind
colors: {
  custom: {
    50: '#6c89b1',
    500: '#1f5b90',
    950: '#000000',
  },
}
SCSS
$custom: #1f5b90;
$custom-light: #6c89b1;
$custom-dark: #000000;
JSON
{
  "hex": "#1f5b90",
  "rgb": {
    "r": 31,
    "g": 91,
    "b": 144
  },
  "hsl": {
    "h": 208.142,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.46007,
    "c": 0.10572,
    "h": 249
  },
  "luminance": 0.09787
}

Semantic roles & 50–950 ramp

primary
#1F5B90
secondary
#BC824E
accent
#8F40E8
background
#F7F8FA
surface
#EDEFF5
border
#C8CACF
text
#080B10
muted
#7B7C7F

Preview Lab

Preview with #1F5B90

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

Preview Lab → · Contrast checker → · Palette generator →

#1F5B90 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva