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Colour

#13A8FB

  • #13A8FB
  • Blue
  • Dark
  • Nearest: Deep skyblue

#13A8FB is a blue with RGB values 19, 168, 251 and HSL 201°, 97%, 53%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#13A8FB#13A8FB
HEX#13A8FB
RGBrgb(19, 168, 251)
RGB (0–1)0.0745, 0.6588, 0.9843
RGB percentages7.5%, 65.9%, 98.4%
HSLhsl(201.5, 96.7%, 52.9%)
HSV / HSBhsv(201.5, 92.4%, 98.4%)
CMYK92.4%, 33.1%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,288,443
CSS custom property--colour: #13A8FB;

Brightness & contrast

Relative luminance0.35109WCAG 2.x, 0 is black and 1 is white
Perceived brightness154.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.02:1
Contrast with white2.62:1WCAG normal text: Fail
Contrast with black8.02:1WCAG normal text: AAA
Greyscale equivalent#8E8E8E
Inverted#EC5704

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#80AAFFno red cones; affects about 1% of men; ΔE 15.9 from the original
Deuteranopia#6197F9no green cones; the most common form, about 1% of men; ΔE 18.1 from the original
Tritanopia#00BDC6no blue cones; rare, and affects men and women equally; ΔE 46.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.62:1WCAG large text: Fail
Contrast with black, large text8.02:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 15.8Cornflower blue · ΔE 16Dodgerblue · ΔE 21.3Steel blue · ΔE 23.1Light skyblue · ΔE 26.8Sky blue · ΔE 33.7
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 15.81, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FB6613
Analogous#13FBDA, #1334FB
Triadic#FB13A8, #A8FB13
Split complementary#FB1334, #FBDA13
Tetradic#DA13FB, #FB6613, #34FB13

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCF2FE
Lighter +30%#A9DFFE
Lighter +20%#77CDFD
Lighter +10%#45BAFC
Darker −10%#048CD7
Darker −20%#036BA5
Darker −30%#024B73
Darker −40%#012A41
More saturated +25%#0FA9FF
Less saturated −25%#319FDD

Channel breakdown

R19
G168
B251
Red19 (7.5%)
Green168 (65.9%)
Blue251 (98.4%)
Hue201.47°
Saturation (HSL)96.67%
Lightness52.94%
Dominant channelBlue
Hex per channelR 13 · G A8 · B FB

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Every value on this page was computed from “13a8fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.