#1F617A#1F617A

#1F617A is a mid, moderate cyan. Relative luminance 0.102; OKLCH L 46.3% C 0.076 H 227.4°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX#1F617A
RGBrgb(31, 97, 122)
HSLhsl(196, 59%, 30%)
HSVhsv(196, 75%, 48%)
CMYKcmyk(74.6%, 20.5%, 0%, 52.2%)
CIE-LABlab(38.28, -11.68, -20.00)
CIE-LCHlch(38.28, 23.16, 239.73°)
OKLaboklab(46.3% -0.0515 -0.0561)
OKLCHoklch(46.3% 0.076 227.4)
XYZxyz(8.3512, 10.2449, 19.9459)
Luminance0.1025 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F617A #7A381F
analogous
#1F7A66 #1F617A #1F337A
triadic
#1F617A #7A1F61 #617A1F
tetradic
#1F617A #661F7A #7A381F #337A1F
square
#1F617A #661F7A #7A381F #337A1F
split-complementary
#1F617A #7A1F33 #7A661F
monochromatic
#061318 #133A49 #1F617A #2B88AB #44A9CF

Accessibility & contrast

On white

6.89
#1F617A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.05
#1F617A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F617A
6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F617A#FFFFFF#000000##FFFFFF
##1F617A1.006.893.056.89
#FFFFFF6.891.0021.001.00
#0000003.0521.001.0021.00
##FFFFFF6.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#545F7B
Deuteranopia (green-blind)
#47567A
Tritanopia (blue-blind)
#006869
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #1f617a;
/* rgb */ color: rgb(31, 97, 122);
/* oklch */ color: oklch(46.3% 0.076 227.4);
Tailwind
colors: {
  custom: {
    50: '#688ea0',
    500: '#1f617a',
    950: '#000000',
  },
}
SCSS
$custom: #1f617a;
$custom-light: #688ea0;
$custom-dark: #000000;
JSON
{
  "hex": "#1f617a",
  "rgb": {
    "r": 31,
    "g": 97,
    "b": 122
  },
  "hsl": {
    "h": 196.484,
    "s": 59.477,
    "l": 30
  },
  "oklch": {
    "l": 0.46301,
    "c": 0.07617,
    "h": 227.4
  },
  "luminance": 0.10246
}

Semantic roles & 50–950 ramp

primary
#1F617A
secondary
#AD6347
accent
#7045E3
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#070C0E
muted
#7A7D7E

Preview Lab

Preview with #1F617A

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

Preview Lab → · Contrast checker → · Palette generator →

#1F617A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva