#1F659D#1F659D

#1F659D is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 49.2% C 0.112 H 247.2°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX#1F659D
RGBrgb(31, 101, 157)
HSLhsl(207, 67%, 37%)
HSVhsv(207, 80%, 62%)
CMYKcmyk(80.3%, 35.7%, 0%, 38.4%)
CIE-LABlab(41.27, -0.96, -36.44)
CIE-LCHlch(41.27, 36.45, 268.48°)
OKLaboklab(49.24% -0.0435 -0.1037)
OKLCHoklch(49.24% 0.112 247.2)
XYZxyz(11.3022, 12.0316, 33.6184)
Luminance0.1203 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F659D #9D571F
analogous
#1F9D96 #1F659D #1F269D
triadic
#1F659D #9D1F65 #659D1F
tetradic
#1F659D #961F9D #9D571F #269D1F
square
#1F659D #961F9D #9D571F #269D1F
split-complementary
#1F659D #9D1F26 #9D961F
monochromatic
#0B2337 #15446A #1F659D #2986D0 #58A3DE

Accessibility & contrast

On white

6.16
#1F659D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.41
#1F659D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F659D
6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F659D#FFFFFF#000000##FFFFFF
##1F659D1.006.163.416.16
#FFFFFF6.161.0021.001.00
#0000003.4121.001.0021.00
##FFFFFF6.161.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B689F
Deuteranopia (green-blind)
#385C9C
Tritanopia (blue-blind)
#007279
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #1f659d;
/* rgb */ color: rgb(31, 101, 157);
/* oklch */ color: oklch(49.2% 0.112 247.2);
Tailwind
colors: {
  custom: {
    50: '#6f90ba',
    500: '#1f659d',
    950: '#000000',
  },
}
SCSS
$custom: #1f659d;
$custom-light: #6f90ba;
$custom-dark: #000000;
JSON
{
  "hex": "#1f659d",
  "rgb": {
    "r": 31,
    "g": 101,
    "b": 157
  },
  "hsl": {
    "h": 206.667,
    "s": 67.021,
    "l": 36.863
  },
  "oklch": {
    "l": 0.49235,
    "c": 0.11247,
    "h": 247.2
  },
  "luminance": 0.12033
}

Semantic roles & 50–950 ramp

primary
#1F659D
secondary
#C28656
accent
#8A3EEA
background
#F7F8FB
surface
#EDF0F6
border
#C8CBD0
text
#080C11
muted
#7B7D80

Preview Lab

Preview with #1F659D

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

Preview Lab → · Contrast checker → · Palette generator →

#1F659D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva