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Recognised as Colour

#004175

  • #004175
  • Blue
  • Dark
  • Nearest: Dark slateblue

#004175 is a blue with RGB values 0, 65, 117 and HSL 207°, 100%, 23%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#004175#004175
HEX#004175
RGBrgb(0, 65, 117)
RGB (0–1)0, 0.2549, 0.4588
RGB percentages0%, 25.5%, 45.9%
HSLhsl(206.7, 100%, 22.9%)
HSV / HSBhsv(206.7, 100%, 45.9%)
CMYK100%, 44.4%, 0%, 54.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,757
CSS custom property--colour: #004175;

Brightness & contrast

Relative luminance0.05065WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.43:1
Contrast with white10.43:1WCAG normal text: AAA
Contrast with black2.01:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#FFBE8A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#264577no red cones; affects about 1% of men; ΔE 4.5 from the original
Deuteranopia#0F3B74no green cones; the most common form, about 1% of men; ΔE 5.6 from the original
Tritanopia#004E55no blue cones; rare, and affects men and women equally; ΔE 32.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.43:1WCAG large text: AAA
Contrast with black, large text2.01:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 23.9Steel blue · ΔE 26.8Midnight blue · ΔE 33.6Dark slate grey · ΔE 34.9Slate grey · ΔE 36Light slate grey · ΔE 37.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 23.92, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#753400
Analogous#00756F, #000675
Triadic#750041, #417500
Split complementary#750006, #756F00
Tetradic#6F0075, #753400, #067500

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#42ABFF
Lighter +30%#0F94FF
Lighter +20%#007ADB
Lighter +10%#005DA8
Darker −10%#002542
Darker −20%#00080F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004175
Less saturated −25%#0F3F66

Channel breakdown

R0
G65
B117
Red0 (0%)
Green65 (25.5%)
Blue117 (45.9%)
Hue206.67°
Saturation (HSL)100%
Lightness22.94%
Dominant channelBlue
Hex per channelR 00 · G 41 · B 75

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Every value on this page was computed from “hex 004175” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.