#1F738E#1F738E

#1F738E is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 51.9% C 0.087 H 224.3°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX#1F738E
RGBrgb(31, 115, 142)
HSLhsl(195, 64%, 34%)
HSVhsv(195, 78%, 56%)
CMYKcmyk(78.2%, 19%, 0%, 44.3%)
CIE-LABlab(44.95, -14.86, -21.76)
CIE-LCHlch(44.95, 26.35, 235.67°)
OKLaboklab(51.93% -0.0625 -0.061)
OKLCHoklch(51.93% 0.087 224.3)
XYZxyz(11.5763, 14.5044, 27.7754)
Luminance0.1451 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F738E #8E3A1F
analogous
#1F8E72 #1F738E #1F3B8E
triadic
#1F738E #8E1F73 #738E1F
tetradic
#1F738E #721F8E #8E3A1F #3B8E1F
square
#1F738E #721F8E #8E3A1F #3B8E1F
split-complementary
#1F738E #8E1F3B #8E721F
monochromatic
#09222A #144A5C #1F738E #2A9CC0 #4FB7D9

Accessibility & contrast

On white

5.38
#1F738E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.90
#1F738E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F738E
5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F738E#FFFFFF#000000##FFFFFF
##1F738E1.005.383.905.38
#FFFFFF5.381.0021.001.00
#0000003.9021.001.0021.00
##FFFFFF5.381.0021.001.00

Color blindness preview

Protanopia (red-blind)
#64708F
Deuteranopia (green-blind)
#55668E
Tritanopia (blue-blind)
#007B7C
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #1f738e;
/* rgb */ color: rgb(31, 115, 142);
/* oklch */ color: oklch(51.9% 0.087 224.3);
Tailwind
colors: {
  custom: {
    50: '#6d9baf',
    500: '#1f738e',
    950: '#000000',
  },
}
SCSS
$custom: #1f738e;
$custom-light: #6d9baf;
$custom-dark: #000000;
JSON
{
  "hex": "#1f738e",
  "rgb": {
    "r": 31,
    "g": 115,
    "b": 142
  },
  "hsl": {
    "h": 194.595,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.51925,
    "c": 0.0873,
    "h": 224.3
  },
  "luminance": 0.14506
}

Semantic roles & 50–950 ramp

primary
#1F738E
secondary
#BB684D
accent
#6941E7
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080E10
muted
#7B7E7F

Preview Lab

Preview with #1F738E

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

Preview Lab → · Contrast checker → · Palette generator →

#1F738E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva