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Recognised as Colour

#17679E

  • #17679E
  • Blue
  • Dark
  • Nearest: Steel blue

#17679E is a blue with RGB values 23, 103, 158 and HSL 204°, 75%, 35%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#17679E#17679E
HEX#17679E
RGBrgb(23, 103, 158)
RGB (0–1)0.0902, 0.4039, 0.6196
RGB percentages9%, 40.4%, 62%
HSLhsl(204.4, 74.6%, 35.5%)
HSV / HSBhsv(204.4, 85.4%, 62%)
CMYK85.4%, 34.8%, 0%, 38%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,533,854
CSS custom property--colour: #17679E;

Brightness & contrast

Relative luminance0.12351WCAG 2.x, 0 is black and 1 is white
Perceived brightness96.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.05:1
Contrast with white6.05:1WCAG normal text: AA
Contrast with black3.47:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#E89861

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4D69A0no red cones; affects about 1% of men; ΔE 9.6 from the original
Deuteranopia#3A5D9Dno green cones; the most common form, about 1% of men; ΔE 11.3 from the original
Tritanopia#00747Bno blue cones; rare, and affects men and women equally; ΔE 33 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.05:1WCAG large text: AAA
Contrast with black, large text3.47:1WCAG large text: AA

Named colours

Steel blue · ΔE 11.5Cornflower blue · ΔE 26.8Slate grey · ΔE 28Light slate grey · ΔE 28.9Dark slateblue · ΔE 31.2Dodgerblue · ΔE 34.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.54, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9E4E17
Analogous#179E92, #17249E
Triadic#9E1767, #679E17
Split complementary#9E1724, #9E9217
Tetradic#92179E, #9E4E17, #239E17

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#92C9EF
Lighter +30%#65B3E9
Lighter +20%#399DE2
Lighter +10%#1D84CB
Darker −10%#114A71
Darker −20%#0A2D45
Darker −30%#041018
Darker −40%#000000
More saturated +25%#006BB5
Less saturated −25%#2E6387

Channel breakdown

R23
G103
B158
Red23 (9%)
Green103 (40.4%)
Blue158 (62%)
Hue204.44°
Saturation (HSL)74.59%
Lightness35.49%
Dominant channelBlue
Hex per channelR 17 · G 67 · B 9E

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Every value on this page was computed from “17679e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.