Colour
#1D8DAC
- #1D8DAC
- Cyan
- Dark
- Nearest: Steel blue
#1D8DAC is a cyan with RGB values 29, 141, 172 and HSL 193°, 71%, 39%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Steel blue.
Colour values
#1D8DAC#1D8DAC
HEX#1D8DAC
RGBrgb(29, 141, 172)
RGB (0–1)0.1137, 0.5529, 0.6745
RGB percentages11.4%, 55.3%, 67.5%
HSLhsl(193, 71.1%, 39.4%)
HSV / HSBhsv(193, 83.1%, 67.5%)
CMYK83.1%, 18%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,936,812
CSS custom property--colour: #1D8DAC;
Brightness & contrast
Relative luminance0.2229WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.46:1
Contrast with white3.85:1WCAG normal text: Fail
Contrast with black5.46:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#E27253
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.85:1WCAG large text: AA
Contrast with black, large text5.46:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#AC3C1D
Analogous#1DAC84, #1D45AC
Triadic#AC1D8D, #8DAC1D
Split complementary#AC1D45, #AC841D
Tetradic#841DAC, #AC3C1D, #46AC1D
Tints, shades & saturation
Channel breakdown
R29
G141
B172
Red29 (11.4%)
Green141 (55.3%)
Blue172 (67.5%)
Hue193.01°
Saturation (HSL)71.14%
Lightness39.41%
Dominant channelBlue
Hex per channelR 1D · G 8D · B AC
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