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Colour

#176D98

  • #176D98
  • Blue
  • Dark
  • Nearest: Steel blue

#176D98 is a blue with RGB values 23, 109, 152 and HSL 200°, 74%, 34%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#176D98#176D98
HEX#176D98
RGBrgb(23, 109, 152)
RGB (0–1)0.0902, 0.4275, 0.5961
RGB percentages9%, 42.7%, 59.6%
HSLhsl(200, 73.7%, 34.3%)
HSV / HSBhsv(200, 84.9%, 59.6%)
CMYK84.9%, 28.3%, 0%, 40.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,535,384
CSS custom property--colour: #176D98;

Brightness & contrast

Relative luminance0.13386WCAG 2.x, 0 is black and 1 is white
Perceived brightness98.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.71:1
Contrast with white5.71:1WCAG normal text: AA
Contrast with black3.68:1WCAG normal text: Fail
Greyscale equivalent#5E5E5E
Inverted#E89267

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#586D9Ano red cones; affects about 1% of men; ΔE 13.7 from the original
Deuteranopia#476197no green cones; the most common form, about 1% of men; ΔE 15.4 from the original
Tritanopia#00787Cno blue cones; rare, and affects men and women equally; ΔE 26.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.71:1WCAG large text: AAA
Contrast with black, large text3.68:1WCAG large text: AA

Named colours

Steel blue · ΔE 10.4Slate grey · ΔE 22.7Light slate grey · ΔE 23.7Dark slate grey · ΔE 29.3Teal · ΔE 30.1Cadetblue · ΔE 31
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.36, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#984217
Analogous#179883, #172C98
Triadic#98176D, #6D9817
Split complementary#98172D, #988317
Tetradic#821798, #984217, #2D9817

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8DCEEE
Lighter +30%#61BAE7
Lighter +20%#35A7E0
Lighter +10%#1E8DC4
Darker −10%#104D6C
Darker −20%#0A2D3F
Darker −30%#030E13
Darker −40%#000000
More saturated +25%#0174AE
Less saturated −25%#2D6682

Channel breakdown

R23
G109
B152
Red23 (9%)
Green109 (42.7%)
Blue152 (59.6%)
Hue200°
Saturation (HSL)73.71%
Lightness34.31%
Dominant channelBlue
Hex per channelR 17 · G 6D · B 98

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Every value on this page was computed from “176d98” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.