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Recognised as Colour

#013FC7

  • #013FC7
  • Blue
  • Dark
  • Nearest: Slate blue

#013FC7 is a blue with RGB values 1, 63, 199 and HSL 221°, 99%, 39%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#013FC7#013FC7
HEX#013FC7
RGBrgb(1, 63, 199)
RGB (0–1)0.0039, 0.2471, 0.7804
RGB percentages0.4%, 24.7%, 78%
HSLhsl(221.2, 99%, 39.2%)
HSV / HSBhsv(221.2, 99.5%, 78%)
CMYK99.5%, 68.3%, 0%, 22%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer81,863
CSS custom property--colour: #013FC7;

Brightness & contrast

Relative luminance0.07685WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.28:1
Contrast with white8.28:1WCAG normal text: AAA
Contrast with black2.54:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#FEC038

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0057CBno red cones; affects about 1% of men; ΔE 17.7 from the original
Deuteranopia#0046C5no green cones; the most common form, about 1% of men; ΔE 6.6 from the original
Tritanopia#00657Eno blue cones; rare, and affects men and women equally; ΔE 76.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.28:1WCAG large text: AAA
Contrast with black, large text2.54:1WCAG large text: Fail

Named colours

Slate blue · ΔE 20.5Medium slateblue · ΔE 20.9Royal blue · ΔE 21.2Dark blue · ΔE 22.5Navy · ΔE 24Rebecca purple · ΔE 27.3
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 20.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C78901
Analogous#01A2C7, #2601C7
Triadic#C7013F, #3FC701
Split complementary#C72601, #A2C701
Tetradic#C701A2, #C78901, #01C726

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#96B6FE
Lighter +30%#6393FE
Lighter +20%#3071FE
Lighter +10%#014FFA
Darker −10%#012F94
Darker −20%#001F62
Darker −30%#000F2F
Darker −40%#000000
More saturated +25%#003FC8
Less saturated −25%#1A48AE

Channel breakdown

R1
G63
B199
Red1 (0.4%)
Green63 (24.7%)
Blue199 (78%)
Hue221.21°
Saturation (HSL)99%
Lightness39.22%
Dominant channelBlue
Hex per channelR 01 · G 3F · B C7

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Every value on this page was computed from “013fc7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.