Recognised as Colour
#217B8A
- #217B8A
- Cyan
- Dark
- Nearest: Teal
#217B8A is a cyan with RGB values 33, 123, 138 and HSL 189°, 61%, 34%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Teal.
Colour values
#217B8A#217B8A
HEX#217B8A
RGBrgb(33, 123, 138)
RGB (0–1)0.1294, 0.4824, 0.5412
RGB percentages12.9%, 48.2%, 54.1%
HSLhsl(188.6, 61.4%, 33.5%)
HSV / HSBhsv(188.6, 76.1%, 54.1%)
CMYK76.1%, 10.9%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,194,314
CSS custom property--colour: #217B8A;
Brightness & contrast
Relative luminance0.16324WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.92:1
Contrast with white4.92:1WCAG normal text: AA
Contrast with black4.26:1WCAG normal text: Fail
Greyscale equivalent#696969
Inverted#DE8475
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.92:1WCAG large text: AAA
Contrast with black, large text4.26:1WCAG large text: AA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8A3021
Analogous#218A64, #21468A
Triadic#8A217B, #7B8A21
Split complementary#8A2147, #8A6421
Tetradic#64218A, #8A3021, #478A21
Tints, shades & saturation
Channel breakdown
R33
G123
B138
Red33 (12.9%)
Green123 (48.2%)
Blue138 (54.1%)
Hue188.57°
Saturation (HSL)61.4%
Lightness33.53%
Dominant channelBlue
Hex per channelR 21 · G 7B · 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