#1F568C#1F568C

#1F568C is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.5% C 0.106 H 251.1°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX#1F568C
RGBrgb(31, 86, 140)
HSLhsl(210, 64%, 34%)
HSVhsv(210, 78%, 55%)
CMYKcmyk(77.9%, 38.6%, 0%, 45.1%)
CIE-LABlab(35.67, 1.96, -35.08)
CIE-LCHlch(35.67, 35.13, 273.19°)
OKLaboklab(44.54% -0.0341 -0.1)
OKLCHoklch(44.54% 0.106 251.1)
XYZxyz(8.6247, 8.8393, 26.0575)
Luminance0.0884 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F568C #8C551F
analogous
#1F8C8B #1F568C #1F1F8C
triadic
#1F568C #8C1F56 #568C1F
tetradic
#1F568C #8B1F8C #8C551F #1F8C1F
square
#1F568C #8B1F8C #8C551F #1F8C1F
split-complementary
#1F568C #8C1F1F #8C8B1F
monochromatic
#091828 #14375A #1F568C #2A75BE #4E93D8

Accessibility & contrast

On white

7.59
#1F568C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.77
#1F568C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F568C
7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F568C#FFFFFF#000000##FFFFFF
##1F568C1.007.592.777.59
#FFFFFF7.591.0021.001.00
#0000002.7721.001.0021.00
##FFFFFF7.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D598E
Deuteranopia (green-blind)
#2C4F8B
Tritanopia (blue-blind)
#00636A
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #1f568c;
/* rgb */ color: rgb(31, 86, 140);
/* oklch */ color: oklch(44.5% 0.106 251.1);
Tailwind
colors: {
  custom: {
    50: '#6b85ae',
    500: '#1f568c',
    950: '#000000',
  },
}
SCSS
$custom: #1f568c;
$custom-light: #6b85ae;
$custom-dark: #000000;
JSON
{
  "hex": "#1f568c",
  "rgb": {
    "r": 31,
    "g": 86,
    "b": 140
  },
  "hsl": {
    "h": 209.725,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.44536,
    "c": 0.10565,
    "h": 251.1
  },
  "luminance": 0.0884
}

Semantic roles & 50–950 ramp

primary
#1F568C
secondary
#BB834C
accent
#9341E7
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#080B10
muted
#7A7C7F

Preview Lab

Preview with #1F568C

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

Preview Lab → · Contrast checker → · Palette generator →

#1F568C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva