#1F709D#1F709D

#1F709D is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 51.9% C 0.103 H 238.5°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX#1F709D
RGBrgb(31, 112, 157)
HSLhsl(201, 67%, 37%)
HSVhsv(201, 80%, 62%)
CMYKcmyk(80.3%, 28.7%, 0%, 38.4%)
CIE-LABlab(44.68, -7.66, -31.07)
CIE-LCHlch(44.68, 32.00, 256.14°)
OKLaboklab(51.93% -0.0539 -0.0879)
OKLCHoklch(51.93% 0.103 238.5)
XYZxyz(12.4426, 14.3125, 33.9985)
Luminance0.1431 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F709D #9D4C1F
analogous
#1F9D8B #1F709D #1F319D
triadic
#1F709D #9D1F70 #709D1F
tetradic
#1F709D #8B1F9D #9D4C1F #319D1F
square
#1F709D #8B1F9D #9D4C1F #319D1F
split-complementary
#1F709D #9D1F31 #9D8B1F
monochromatic
#0B2737 #154C6A #1F709D #2994D0 #58AEDE

Accessibility & contrast

On white

5.44
#1F709D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.86
#1F709D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F709D
5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F709D#FFFFFF#000000##FFFFFF
##1F709D1.005.443.865.44
#FFFFFF5.441.0021.001.00
#0000003.8621.001.0021.00
##FFFFFF5.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B709F
Deuteranopia (green-blind)
#4A659C
Tritanopia (blue-blind)
#007B80
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #1f709d;
/* rgb */ color: rgb(31, 112, 157);
/* oklch */ color: oklch(51.9% 0.103 238.5);
Tailwind
colors: {
  custom: {
    50: '#6f98ba',
    500: '#1f709d',
    950: '#000000',
  },
}
SCSS
$custom: #1f709d;
$custom-light: #6f98ba;
$custom-dark: #000000;
JSON
{
  "hex": "#1f709d",
  "rgb": {
    "r": 31,
    "g": 112,
    "b": 157
  },
  "hsl": {
    "h": 201.429,
    "s": 67.021,
    "l": 36.863
  },
  "oklch": {
    "l": 0.51933,
    "c": 0.1031,
    "h": 238.5
  },
  "luminance": 0.14314
}

Semantic roles & 50–950 ramp

primary
#1F709D
secondary
#C27C56
accent
#7B3EEA
background
#F7F9FB
surface
#EDF2F6
border
#C8CCD0
text
#090D11
muted
#7B7E80

Preview Lab

Preview with #1F709D

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

Preview Lab → · Contrast checker → · Palette generator →

#1F709D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva