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Recognised as Colour

#004671

  • #004671
  • Blue
  • Dark
  • Nearest: Steel blue

#004671 is a blue with RGB values 0, 70, 113 and HSL 203°, 100%, 22%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#004671#004671
HEX#004671
RGBrgb(0, 70, 113)
RGB (0–1)0, 0.2745, 0.4431
RGB percentages0%, 27.5%, 44.3%
HSLhsl(202.8, 100%, 22.2%)
HSV / HSBhsv(202.8, 100%, 44.3%)
CMYK100%, 38.1%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer18,033
CSS custom property--colour: #004671;

Brightness & contrast

Relative luminance0.05573WCAG 2.x, 0 is black and 1 is white
Perceived brightness65.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.93:1
Contrast with white9.93:1WCAG normal text: AAA
Contrast with black2.11:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#FFB98E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#314873no red cones; affects about 1% of men; ΔE 7.5 from the original
Deuteranopia#213F70no green cones; the most common form, about 1% of men; ΔE 8.4 from the original
Tritanopia#005156no blue cones; rare, and affects men and women equally; ΔE 27.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.93:1WCAG large text: AAA
Contrast with black, large text2.11:1WCAG large text: Fail

Named colours

Steel blue · ΔE 24.4Dark slate grey · ΔE 28.4Dark slateblue · ΔE 30.2Slate grey · ΔE 31.3Light slate grey · ΔE 33.5Dim grey · ΔE 34.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 24.39, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#712B00
Analogous#007163, #000E71
Triadic#710046, #467100
Split complementary#71000E, #716300
Tetradic#630071, #712B00, #0E7100

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3EB6FF
Lighter +30%#0BA2FF
Lighter +20%#0085D7
Lighter +10%#0066A4
Darker −10%#00263E
Darker −20%#00070B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004671
Less saturated −25%#0E4363

Channel breakdown

R0
G70
B113
Red0 (0%)
Green70 (27.5%)
Blue113 (44.3%)
Hue202.83°
Saturation (HSL)100%
Lightness22.16%
Dominant channelBlue
Hex per channelR 00 · G 46 · B 71

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Every value on this page was computed from “hex 004671” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.