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Recognised as Colour

#176DD0

  • #176DD0
  • Blue
  • Dark
  • Nearest: Dodgerblue

#176DD0 is a blue with RGB values 23, 109, 208 and HSL 212°, 80%, 45%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#176DD0#176DD0
HEX#176DD0
RGBrgb(23, 109, 208)
RGB (0–1)0.0902, 0.4275, 0.8157
RGB percentages9%, 42.7%, 81.6%
HSLhsl(212.1, 80.1%, 45.3%)
HSV / HSBhsv(212.1, 88.9%, 81.6%)
CMYK88.9%, 47.6%, 0%, 18.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,535,440
CSS custom property--colour: #176DD0;

Brightness & contrast

Relative luminance0.15674WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.08:1
Contrast with white5.08:1WCAG normal text: AA
Contrast with black4.13:1WCAG normal text: Fail
Greyscale equivalent#626262
Inverted#E8922F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3377D4no red cones; affects about 1% of men; ΔE 5.8 from the original
Deuteranopia#0067CEno green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#008594no blue cones; rare, and affects men and women equally; ΔE 56 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.08:1WCAG large text: AAA
Contrast with black, large text4.13:1WCAG large text: AA

Named colours

Dodgerblue · ΔE 14.4Royal blue · ΔE 15.1Cornflower blue · ΔE 18Slate blue · ΔE 22.8Dark slateblue · ΔE 25.6Medium purple · ΔE 26.2
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 14.41, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D07A17
Analogous#17C9D0, #1E17D0
Triadic#D0176D, #6DD017
Split complementary#D01E17, #C9D017
Tetradic#D017C9, #D07A17, #17D01E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BBD7F8
Lighter +30%#8EBCF2
Lighter +20%#60A2ED
Lighter +10%#3287E8
Darker −10%#1255A2
Darker −20%#0D3D74
Darker −30%#082546
Darker −40%#030D18
More saturated +25%#006BE7
Less saturated −25%#346FB3

Channel breakdown

R23
G109
B208
Red23 (9%)
Green109 (42.7%)
Blue208 (81.6%)
Hue212.11°
Saturation (HSL)80.09%
Lightness45.29%
Dominant channelBlue
Hex per channelR 17 · G 6D · B D0

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Every value on this page was computed from “176dd0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.