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Recognised as Colour

#13A1FF

  • #13A1FF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#13A1FF is a blue with RGB values 19, 161, 255 and HSL 204°, 100%, 54%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#13A1FF#13A1FF
HEX#13A1FF
RGBrgb(19, 161, 255)
RGB (0–1)0.0745, 0.6314, 1
RGB percentages7.5%, 63.1%, 100%
HSLhsl(203.9, 100%, 53.7%)
HSV / HSBhsv(203.9, 92.5%, 100%)
CMYK92.5%, 36.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,286,655
CSS custom property--colour: #13A1FF;

Brightness & contrast

Relative luminance0.32848WCAG 2.x, 0 is black and 1 is white
Perceived brightness150.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.57:1
Contrast with white2.77:1WCAG normal text: Fail
Contrast with black7.57:1WCAG normal text: AAA
Greyscale equivalent#8A8A8A
Inverted#EC5E00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#73A6FFno red cones; affects about 1% of men; ΔE 11.7 from the original
Deuteranopia#5092FDno green cones; the most common form, about 1% of men; ΔE 14.4 from the original
Tritanopia#00B8C4no blue cones; rare, and affects men and women equally; ΔE 51.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.77:1WCAG large text: Fail
Contrast with black, large text7.57:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 12.1Dodgerblue · ΔE 13.7Deep skyblue · ΔE 23.3Steel blue · ΔE 26.7Royal blue · ΔE 32.7Light skyblue · ΔE 33.2
Nearest named CSS colourCornflower blue (#6495ED)ΔE 12.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF7113
Analogous#13FFE7, #132BFF
Triadic#FF13A1, #A1FF13
Split complementary#FF132B, #FFE713
Tetradic#E713FF, #FF7113, #2BFF13

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DFF2FF
Lighter +30%#ACDEFF
Lighter +20%#79CAFF
Lighter +10%#46B5FF
Darker −10%#0086DF
Darker −20%#0067AC
Darker −30%#004979
Darker −40%#002A46
More saturated +25%#13A1FF
Less saturated −25%#319BE2

Channel breakdown

R19
G161
B255
Red19 (7.5%)
Green161 (63.1%)
Blue255 (100%)
Hue203.9°
Saturation (HSL)100%
Lightness53.73%
Dominant channelBlue
Hex per channelR 13 · G A1 · B FF

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Every value on this page was computed from “13a1ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.