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Colour

#175FA2

  • #175FA2
  • Blue
  • Dark
  • Nearest: Steel blue

#175FA2 is a blue with RGB values 23, 95, 162 and HSL 209°, 75%, 36%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#175FA2#175FA2
HEX#175FA2
RGBrgb(23, 95, 162)
RGB (0–1)0.0902, 0.3725, 0.6353
RGB percentages9%, 37.3%, 63.5%
HSLhsl(208.9, 75.1%, 36.3%)
HSV / HSBhsv(208.9, 85.8%, 63.5%)
CMYK85.8%, 41.4%, 0%, 36.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,531,810
CSS custom property--colour: #175FA2;

Brightness & contrast

Relative luminance0.10975WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.57:1
Contrast with white6.57:1WCAG normal text: AA
Contrast with black3.2:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#E8A05D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E64A5no red cones; affects about 1% of men; ΔE 5.5 from the original
Deuteranopia#2658A1no green cones; the most common form, about 1% of men; ΔE 6.4 from the original
Tritanopia#006F78no blue cones; rare, and affects men and women equally; ΔE 40.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.57:1WCAG large text: AAA
Contrast with black, large text3.2:1WCAG large text: AA

Named colours

Steel blue · ΔE 18.2Dark slateblue · ΔE 23.7Cornflower blue · ΔE 24.1Dodgerblue · ΔE 29.6Royal blue · ΔE 33.1Slate grey · ΔE 34.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 18.23, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A25A17
Analogous#17A2A0, #1719A2
Triadic#A2175F, #5FA217
Split complementary#A2171A, #A29F17
Tetradic#9F17A2, #A25A17, #1AA217

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#95C4F0
Lighter +30%#68ABEA
Lighter +20%#3C93E3
Lighter +10%#1D79CF
Darker −10%#114575
Darker −20%#0A2B49
Darker −30%#04101C
Darker −40%#000000
More saturated +25%#0060B9
Less saturated −25%#2E5E8B

Channel breakdown

R23
G95
B162
Red23 (9%)
Green95 (37.3%)
Blue162 (63.5%)
Hue208.92°
Saturation (HSL)75.14%
Lightness36.27%
Dominant channelBlue
Hex per channelR 17 · G 5F · B A2

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Every value on this page was computed from “175fa2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.