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Recognised as Colour

#01063F

  • #01063F
  • Blue
  • Dark
  • Nearest: Midnight blue

#01063F is a blue with RGB values 1, 6, 63 and HSL 235°, 97%, 13%. It is a dark colour, so white text on it reaches 19.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#01063F#01063F
HEX#01063F
RGBrgb(1, 6, 63)
RGB (0–1)0.0039, 0.0235, 0.2471
RGB percentages0.4%, 2.4%, 24.7%
HSLhsl(235.2, 96.9%, 12.5%)
HSV / HSBhsv(235.2, 98.4%, 24.7%)
CMYK98.4%, 90.5%, 0%, 75.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer67,135
CSS custom property--colour: #01063F;

Brightness & contrast

Relative luminance0.00496WCAG 2.x, 0 is black and 1 is white
Perceived brightness21.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.11:1
Contrast with white19.11:1WCAG normal text: AAA
Contrast with black1.1:1WCAG normal text: Fail
Greyscale equivalent#090909
Inverted#FEF9C0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001341no red cones; affects about 1% of men; ΔE 8 from the original
Deuteranopia#000C3Eno green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#001822no blue cones; rare, and affects men and women equally; ΔE 35.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.11:1WCAG large text: AAA
Contrast with black, large text1.1:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 21.6Dark slateblue · ΔE 27.9Rebecca purple · ΔE 38.2Indigo · ΔE 39.6Black · ΔE 40.8Navy · ΔE 41.1
Nearest named CSS colourMidnight blue (#191970)ΔE 21.64, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3F3A01
Analogous#01253F, #1B013F
Triadic#3F0106, #063F01
Split complementary#3F1B01, #253F01
Tetradic#3F0125, #3F3A01, #013F1B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1124FB
Lighter +30%#0314D6
Lighter +20%#0310A3
Lighter +10%#020B71
Darker −10%#00010D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000540
Less saturated −25%#090D37

Channel breakdown

R1
G6
B63
Red1 (0.4%)
Green6 (2.4%)
Blue63 (24.7%)
Hue235.16°
Saturation (HSL)96.88%
Lightness12.55%
Dominant channelBlue
Hex per channelR 01 · G 06 · B 3F

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Every value on this page was computed from “01063f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.