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Colour

#159AFF

  • #159AFF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#159AFF is a blue with RGB values 21, 154, 255 and HSL 206°, 100%, 54%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Dodgerblue.

Colour values

#159AFF#159AFF
HEX#159AFF
RGBrgb(21, 154, 255)
RGB (0–1)0.0824, 0.6039, 1
RGB percentages8.2%, 60.4%, 100%
HSLhsl(205.9, 100%, 54.1%)
HSV / HSBhsv(205.9, 91.8%, 100%)
CMYK91.8%, 39.6%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,415,935
CSS custom property--colour: #159AFF;

Brightness & contrast

Relative luminance0.30491WCAG 2.x, 0 is black and 1 is white
Perceived brightness146.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.1:1
Contrast with white2.96:1WCAG normal text: Fail
Contrast with black7.1:1WCAG normal text: AAA
Greyscale equivalent#858585
Inverted#EA6500

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#67A1FFno red cones; affects about 1% of men; ΔE 9.4 from the original
Deuteranopia#418DFDno green cones; the most common form, about 1% of men; ΔE 11.4 from the original
Tritanopia#00B2C0no blue cones; rare, and affects men and women equally; ΔE 54.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.96:1WCAG large text: Fail
Contrast with black, large text7.1:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 8.2Cornflower blue · ΔE 11.4Royal blue · ΔE 27.5Deep skyblue · ΔE 28.9Steel blue · ΔE 29.6Medium purple · ΔE 35.1
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 8.16, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF7A15
Analogous#15FFEF, #1525FF
Triadic#FF159A, #9AFF15
Split complementary#FF1525, #FFEF15
Tetradic#EF15FF, #FF7A15, #25FF15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E1F2FF
Lighter +30%#AEDCFF
Lighter +20%#7BC6FF
Lighter +10%#48B0FF
Darker −10%#0080E1
Darker −20%#0063AE
Darker −30%#00467B
Darker −40%#002948
More saturated +25%#159AFF
Less saturated −25%#3296E2

Channel breakdown

R21
G154
B255
Red21 (8.2%)
Green154 (60.4%)
Blue255 (100%)
Hue205.9°
Saturation (HSL)100%
Lightness54.12%
Dominant channelBlue
Hex per channelR 15 · G 9A · B FF

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Every value on this page was computed from “159aff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.