#1F659C#1F659C

#1F659C is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 49.2% C 0.111 H 246.8°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX#1F659C
RGBrgb(31, 101, 156)
HSLhsl(206, 67%, 37%)
HSVhsv(206, 80%, 61%)
CMYKcmyk(80.1%, 35.3%, 0%, 38.8%)
CIE-LABlab(41.21, -1.35, -35.93)
CIE-LCHlch(41.21, 35.96, 267.85°)
OKLaboklab(49.18% -0.0438 -0.1022)
OKLCHoklch(49.18% 0.111 246.8)
XYZxyz(11.2172, 11.9976, 33.1706)
Luminance0.1200 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F659C #9C561F
analogous
#1F9C95 #1F659C #1F279C
triadic
#1F659C #9C1F65 #659C1F
tetradic
#1F659C #951F9C #9C561F #279C1F
square
#1F659C #951F9C #9C561F #279C1F
split-complementary
#1F659C #9C1F27 #9C951F
monochromatic
#0B2336 #154469 #1F659C #2986CF #58A3DE

Accessibility & contrast

On white

6.18
#1F659C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.40
#1F659C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F659C
6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F659C#FFFFFF#000000##FFFFFF
##1F659C1.006.183.406.18
#FFFFFF6.181.0021.001.00
#0000003.4021.001.0021.00
##FFFFFF6.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B679E
Deuteranopia (green-blind)
#395C9B
Tritanopia (blue-blind)
#007279
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #1f659c;
/* rgb */ color: rgb(31, 101, 156);
/* oklch */ color: oklch(49.2% 0.111 246.8);
Tailwind
colors: {
  custom: {
    50: '#6f90b9',
    500: '#1f659c',
    950: '#000000',
  },
}
SCSS
$custom: #1f659c;
$custom-light: #6f90b9;
$custom-dark: #000000;
JSON
{
  "hex": "#1f659c",
  "rgb": {
    "r": 31,
    "g": 101,
    "b": 156
  },
  "hsl": {
    "h": 206.4,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.49175,
    "c": 0.11121,
    "h": 246.8
  },
  "luminance": 0.11999
}

Semantic roles & 50–950 ramp

primary
#1F659C
secondary
#C18555
accent
#8A3EEA
background
#F7F8FB
surface
#EDF0F6
border
#C8CBD0
text
#080C11
muted
#7B7D80

Preview Lab

Preview with #1F659C

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

Preview Lab → · Contrast checker → · Palette generator →

#1F659C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva