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Recognised as Colour

#01013D

  • #01013D
  • Blue
  • Dark
  • Nearest: Midnight blue

#01013D is a blue with RGB values 1, 1, 61 and HSL 240°, 97%, 12%. It is a dark colour, so white text on it reaches 19.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#01013D#01013D
HEX#01013D
RGBrgb(1, 1, 61)
RGB (0–1)0.0039, 0.0039, 0.2392
RGB percentages0.4%, 0.4%, 23.9%
HSLhsl(240, 96.8%, 12.2%)
HSV / HSBhsv(240, 98.4%, 23.9%)
CMYK98.4%, 98.4%, 0%, 76.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer65,853
CSS custom property--colour: #01013D;

Brightness & contrast

Relative luminance0.00365WCAG 2.x, 0 is black and 1 is white
Perceived brightness20.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.57:1
Contrast with white19.57:1WCAG normal text: AAA
Contrast with black1.07:1WCAG normal text: Fail
Greyscale equivalent#050505
Inverted#FEFEC2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000F3Fno red cones; affects about 1% of men; ΔE 7.2 from the original
Deuteranopia#00083Cno green cones; the most common form, about 1% of men; ΔE 4.8 from the original
Tritanopia#001420no blue cones; rare, and affects men and women equally; ΔE 34.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.57:1WCAG large text: AAA
Contrast with black, large text1.07:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 21.5Dark slateblue · ΔE 28.7Rebecca purple · ΔE 38.5Indigo · ΔE 39.2Navy · ΔE 40.4Black · ΔE 41.5
Nearest named CSS colourMidnight blue (#191970)ΔE 21.54, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3D3D01
Analogous#011F3D, #1F013D
Triadic#3D0101, #013D01
Split complementary#3D1F01, #1F3D01
Tetradic#3D011F, #3D3D01, #013D1F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0F0FFB
Lighter +30%#0303D4
Lighter +20%#0303A1
Lighter +10%#02026F
Darker −10%#00000B
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00003E
Less saturated −25%#090935

Channel breakdown

R1
G1
B61
Red1 (0.4%)
Green1 (0.4%)
Blue61 (23.9%)
Hue240°
Saturation (HSL)96.77%
Lightness12.16%
Dominant channelBlue
Hex per channelR 01 · G 01 · B 3D

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Every value on this page was computed from “01013d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.