Recognised as Colour
#17838A
- #17838A
- Cyan
- Dark
- Nearest: Teal
#17838A is a cyan with RGB values 23, 131, 138 and HSL 184°, 71%, 32%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Teal.
Colour values
#17838A#17838A
HEX#17838A
RGBrgb(23, 131, 138)
RGB (0–1)0.0902, 0.5137, 0.5412
RGB percentages9%, 51.4%, 54.1%
HSLhsl(183.7, 71.4%, 31.6%)
HSV / HSBhsv(183.7, 83.3%, 54.1%)
CMYK83.3%, 5.1%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,541,002
CSS custom property--colour: #17838A;
Brightness & contrast
Relative luminance0.1825WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.65:1
Contrast with white4.52:1WCAG normal text: AA
Contrast with black4.65:1WCAG normal text: AA
Greyscale equivalent#6D6D6D
Inverted#E87C75
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.52:1WCAG large text: AAA
Contrast with black, large text4.65:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8A1E17
Analogous#178A58, #17498A
Triadic#8A1783, #838A17
Split complementary#8A174A, #8A5817
Tetradic#58178A, #8A1E17, #498A17
Tints, shades & saturation
Channel breakdown
R23
G131
B138
Red23 (9%)
Green131 (51.4%)
Blue138 (54.1%)
Hue183.65°
Saturation (HSL)71.43%
Lightness31.57%
Dominant channelBlue
Hex per channelR 17 · G 83 · B 8A
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page