Nerdulator> put something in

Recognised as Colour

#001547

  • #001547
  • Blue
  • Dark
  • Nearest: Midnight blue

#001547 is a blue with RGB values 0, 21, 71 and HSL 222°, 100%, 14%. It is a dark colour, so white text on it reaches 17.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#001547#001547
HEX#001547
RGBrgb(0, 21, 71)
RGB (0–1)0, 0.0824, 0.2784
RGB percentages0%, 8.2%, 27.8%
HSLhsl(222.3, 100%, 13.9%)
HSV / HSBhsv(222.3, 100%, 27.8%)
CMYK100%, 70.4%, 0%, 72.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,447
CSS custom property--colour: #001547;

Brightness & contrast

Relative luminance0.00991WCAG 2.x, 0 is black and 1 is white
Perceived brightness28.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.53:1
Contrast with white17.53:1WCAG normal text: AAA
Contrast with black1.2:1WCAG normal text: Fail
Greyscale equivalent#141414
Inverted#FFEAB8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001D49no red cones; affects about 1% of men; ΔE 6.8 from the original
Deuteranopia#001646no green cones; the most common form, about 1% of men; ΔE 1.7 from the original
Tritanopia#00222Bno blue cones; rare, and affects men and women equally; ΔE 33.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.53:1WCAG large text: AAA
Contrast with black, large text1.2:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 24Dark slateblue · ΔE 25.9Black · ΔE 37.9Rebecca purple · ΔE 39Indigo · ΔE 43Navy · ΔE 45
Nearest named CSS colourMidnight blue (#191970)ΔE 24.01, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#473200
Analogous#003847, #0E0047
Triadic#470015, #154700
Split complementary#470F00, #384700
Tetradic#470039, #473200, #00470F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#145AFF
Lighter +30%#0042E0
Lighter +20%#0033AD
Lighter +10%#00247A
Darker −10%#000614
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001547
Less saturated −25%#09193E

Channel breakdown

R0
G21
B71
Red0 (0%)
Green21 (8.2%)
Blue71 (27.8%)
Hue222.25°
Saturation (HSL)100%
Lightness13.92%
Dominant channelBlue
Hex per channelR 00 · G 15 · B 47

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “hex 001547” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.