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Colour

#010041

  • #010041
  • Blue
  • Dark
  • Nearest: Midnight blue

#010041 is a blue with RGB values 1, 0, 65 and HSL 241°, 100%, 13%. It is a dark colour, so white text on it reaches 19.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#010041#010041
HEX#010041
RGBrgb(1, 0, 65)
RGB (0–1)0.0039, 0, 0.2549
RGB percentages0.4%, 0%, 25.5%
HSLhsl(240.9, 100%, 12.7%)
HSV / HSBhsv(240.9, 100%, 25.5%)
CMYK98.5%, 100%, 0%, 74.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer65,601
CSS custom property--colour: #010041;

Brightness & contrast

Relative luminance0.00388WCAG 2.x, 0 is black and 1 is white
Perceived brightness22 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.49:1
Contrast with white19.49:1WCAG normal text: AAA
Contrast with black1.08:1WCAG normal text: Fail
Greyscale equivalent#050505
Inverted#FEFFBE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001043no red cones; affects about 1% of men; ΔE 9 from the original
Deuteranopia#000940no green cones; the most common form, about 1% of men; ΔE 6.1 from the original
Tritanopia#001622no blue cones; rare, and affects men and women equally; ΔE 38.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.49:1WCAG large text: AAA
Contrast with black, large text1.08:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 18.4Dark slateblue · ΔE 27.7Indigo · ΔE 35.7Rebecca purple · ΔE 36Navy · ΔE 36.6Dark blue · ΔE 41.8
Nearest named CSS colourMidnight blue (#191970)ΔE 18.44, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#404100
Analogous#002041, #210041
Triadic#410100, #004101
Split complementary#412100, #204100
Tetradic#410020, #404100, #004121

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#120EFF
Lighter +30%#0300DA
Lighter +20%#0300A7
Lighter +10%#020074
Darker −10%#00000E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#010041
Less saturated −25%#090839

Channel breakdown

R1
G0
B65
Red1 (0.4%)
Green0 (0%)
Blue65 (25.5%)
Hue240.92°
Saturation (HSL)100%
Lightness12.75%
Dominant channelBlue
Hex per channelR 01 · G 00 · B 41

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Every value on this page was computed from “hex 010041” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.