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Recognised as Colour

#0105CF

  • #0105CF
  • Blue
  • Dark
  • Nearest: Medium blue

#0105CF is a blue with RGB values 1, 5, 207 and HSL 239°, 99%, 41%. It is a dark colour, so white text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0105CF#0105CF
HEX#0105CF
RGBrgb(1, 5, 207)
RGB (0–1)0.0039, 0.0196, 0.8118
RGB percentages0.4%, 2%, 81.2%
HSLhsl(238.8, 99%, 40.8%)
HSV / HSBhsv(238.8, 99.5%, 81.2%)
CMYK99.5%, 97.6%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer67,023
CSS custom property--colour: #0105CF;

Brightness & contrast

Relative luminance0.0462WCAG 2.x, 0 is black and 1 is white
Perceived brightness70 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.91:1
Contrast with white10.91:1WCAG normal text: AAA
Contrast with black1.92:1WCAG normal text: Fail
Greyscale equivalent#131313
Inverted#FEFA30

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0047D4no red cones; affects about 1% of men; ΔE 33.6 from the original
Deuteranopia#0031CCno green cones; the most common form, about 1% of men; ΔE 20.9 from the original
Tritanopia#005679no blue cones; rare, and affects men and women equally; ΔE 100 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.91:1WCAG large text: AAA
Contrast with black, large text1.92:1WCAG large text: Fail

Named colours

Medium blue · ΔE 0.8Blue · ΔE 21.6Blue violet · ΔE 23.8Dark violet · ΔE 27.2Dark blue · ΔE 30.1Navy · ΔE 35.3
Nearest named CSS colourMedium blue (#0000CD)ΔE 0.84, indistinguishable to the eye
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CFCB01
Analogous#016CCF, #6401CF
Triadic#CF0105, #05CF01
Split complementary#CF6401, #6CCF01
Tetradic#CF016C, #CFCB01, #01CF64

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9D9FFF
Lighter +30%#6B6EFE
Lighter +20%#383CFE
Lighter +10%#050AFE
Darker −10%#01049C
Darker −20%#010369
Darker −30%#000137
Darker −40%#000004
More saturated +25%#0004D0
Less saturated −25%#1B1EB5

Channel breakdown

R1
G5
B207
Red1 (0.4%)
Green5 (2%)
Blue207 (81.2%)
Hue238.83°
Saturation (HSL)99.04%
Lightness40.78%
Dominant channelBlue
Hex per channelR 01 · G 05 · B CF

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Every value on this page was computed from “0105cf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.