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Recognised as Colour

#30AAFF

  • #30AAFF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#30AAFF is a blue with RGB values 48, 170, 255 and HSL 205°, 100%, 59%. It is a dark colour, so black text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#30AAFF#30AAFF
HEX#30AAFF
RGBrgb(48, 170, 255)
RGB (0–1)0.1882, 0.6667, 1
RGB percentages18.8%, 66.7%, 100%
HSLhsl(204.6, 100%, 59.4%)
HSV / HSBhsv(204.6, 81.2%, 100%)
CMYK81.2%, 33.3%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,189,503
CSS custom property--colour: #30AAFF;

Brightness & contrast

Relative luminance0.36598WCAG 2.x, 0 is black and 1 is white
Perceived brightness158.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.32:1
Contrast with white2.52:1WCAG normal text: Fail
Contrast with black8.32:1WCAG normal text: AAA
Greyscale equivalent#969696
Inverted#CF5500

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#82ADFFno red cones; affects about 1% of men; ΔE 13.5 from the original
Deuteranopia#659BFDno green cones; the most common form, about 1% of men; ΔE 15.6 from the original
Tritanopia#00BFC9no blue cones; rare, and affects men and women equally; ΔE 47.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.52:1WCAG large text: Fail
Contrast with black, large text8.32:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 14.4Deep skyblue · ΔE 17.2Dodgerblue · ΔE 20Steel blue · ΔE 24Light skyblue · ΔE 27Sky blue · ΔE 34.2
Nearest named CSS colourCornflower blue (#6495ED)ΔE 14.36, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF8530
Analogous#30FFEC, #3043FF
Triadic#FF30AA, #AAFF30
Split complementary#FF3043, #FFEC30
Tetradic#EC30FF, #FF8530, #43FF30

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FCFEFF
Lighter +30%#C9E9FF
Lighter +20%#96D4FF
Lighter +10%#63BFFF
Darker −10%#0095FC
Darker −20%#0076C9
Darker −30%#005896
Darker −40%#003A63
More saturated +25%#30AAFF
Less saturated −25%#4AA5E5

Channel breakdown

R48
G170
B255
Red48 (18.8%)
Green170 (66.7%)
Blue255 (100%)
Hue204.64°
Saturation (HSL)100%
Lightness59.41%
Dominant channelBlue
Hex per channelR 30 · G AA · B FF

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Every value on this page was computed from “30aaff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.