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Recognised as Colour

#012A47

  • #012A47
  • Blue
  • Dark
  • Nearest: Dark slate grey

#012A47 is a blue with RGB values 1, 42, 71 and HSL 205°, 97%, 14%. It is a dark colour, so white text on it reaches 14.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#012A47#012A47
HEX#012A47
RGBrgb(1, 42, 71)
RGB (0–1)0.0039, 0.1647, 0.2784
RGB percentages0.4%, 16.5%, 27.8%
HSLhsl(204.9, 97.2%, 14.1%)
HSV / HSBhsv(204.9, 98.6%, 27.8%)
CMYK98.6%, 40.8%, 0%, 72.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer76,359
CSS custom property--colour: #012A47;

Brightness & contrast

Relative luminance0.02117WCAG 2.x, 0 is black and 1 is white
Perceived brightness40.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.75:1
Contrast with white14.75:1WCAG normal text: AAA
Contrast with black1.42:1WCAG normal text: Fail
Greyscale equivalent#232323
Inverted#FED5B8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1C2B48no red cones; affects about 1% of men; ΔE 5.3 from the original
Deuteranopia#112546no green cones; the most common form, about 1% of men; ΔE 6 from the original
Tritanopia#003135no blue cones; rare, and affects men and women equally; ΔE 19.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.75:1WCAG large text: AAA
Contrast with black, large text1.42:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 26.1Black · ΔE 27.2Dim grey · ΔE 35.8Dark slateblue · ΔE 36.7Steel blue · ΔE 38Slate grey · ΔE 38.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 26.06, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#471E01
Analogous#014741, #010747
Triadic#47012A, #2A4701
Split complementary#470107, #474101
Tetradic#410147, #471E01, #074701

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#189DFC
Lighter +30%#0383DE
Lighter +20%#0265AC
Lighter +10%#024879
Darker −10%#000C15
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002A48
Less saturated −25%#0A283E

Channel breakdown

R1
G42
B71
Red1 (0.4%)
Green42 (16.5%)
Blue71 (27.8%)
Hue204.86°
Saturation (HSL)97.22%
Lightness14.12%
Dominant channelBlue
Hex per channelR 01 · G 2A · B 47

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Every value on this page was computed from “012a47” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.