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Recognised as Colour

#013F7E

  • #013F7E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#013F7E is a blue with RGB values 1, 63, 126 and HSL 210°, 98%, 25%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#013F7E#013F7E
HEX#013F7E
RGBrgb(1, 63, 126)
RGB (0–1)0.0039, 0.2471, 0.4941
RGB percentages0.4%, 24.7%, 49.4%
HSLhsl(210.2, 98.4%, 24.9%)
HSV / HSBhsv(210.2, 99.2%, 49.4%)
CMYK99.2%, 50%, 0%, 50.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer81,790
CSS custom property--colour: #013F7E;

Brightness & contrast

Relative luminance0.05068WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.43:1
Contrast with white10.43:1WCAG normal text: AAA
Contrast with black2.01:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#FEC081

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#194580no red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#003B7Dno green cones; the most common form, about 1% of men; ΔE 3.1 from the original
Tritanopia#004E58no blue cones; rare, and affects men and women equally; ΔE 38.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.43:1WCAG large text: AAA
Contrast with black, large text2.01:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.6Midnight blue · ΔE 26.8Steel blue · ΔE 29.9Rebecca purple · ΔE 35Cornflower blue · ΔE 36.1Royal blue · ΔE 36.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.56, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7E4001
Analogous#017E7E, #02017E
Triadic#7E013F, #3F7E01
Split complementary#7E0201, #7D7E01
Tetradic#7E017D, #7E4001, #017E01

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4DA5FE
Lighter +30%#1B8BFD
Lighter +20%#0272E3
Lighter +10%#0158B1
Darker −10%#01264B
Darker −20%#000C19
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003F7F
Less saturated −25%#113F6E

Channel breakdown

R1
G63
B126
Red1 (0.4%)
Green63 (24.7%)
Blue126 (49.4%)
Hue210.24°
Saturation (HSL)98.43%
Lightness24.9%
Dominant channelBlue
Hex per channelR 01 · G 3F · B 7E

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Every value on this page was computed from “013f7e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.