Colour
#170AA2
- #170AA2
- Blue
- Dark
- Nearest: Dark blue
#170AA2 is a blue with RGB values 23, 10, 162 and HSL 245°, 88%, 34%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#170AA2#170AA2
HEX#170AA2
RGBrgb(23, 10, 162)
RGB (0–1)0.0902, 0.0392, 0.6353
RGB percentages9%, 3.9%, 63.5%
HSLhsl(245.1, 88.4%, 33.7%)
HSV / HSBhsv(245.1, 93.8%, 63.5%)
CMYK85.8%, 93.8%, 0%, 36.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,510,050
CSS custom property--colour: #170AA2;
Brightness & contrast
Relative luminance0.03008WCAG 2.x, 0 is black and 1 is white
Perceived brightness56.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.11:1
Contrast with white13.11:1WCAG normal text: AAA
Contrast with black1.6:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#E8F55D
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.11:1WCAG large text: AAA
Contrast with black, large text1.6:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#95A20A
Analogous#0A49A2, #630AA2
Triadic#A2170A, #0AA217
Split complementary#A2630A, #49A20A
Tetradic#A20A49, #95A20A, #0AA263
Tints, shades & saturation
Channel breakdown
R23
G10
B162
Red23 (9%)
Green10 (3.9%)
Blue162 (63.5%)
Hue245.13°
Saturation (HSL)88.37%
Lightness33.73%
Dominant channelBlue
Hex per channelR 17 · G 0A · B A2
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