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Recognised as Colour

#54BBFF

  • #54BBFF
  • Blue
  • Dark
  • Nearest: Deep skyblue

#54BBFF is a blue with RGB values 84, 187, 255 and HSL 204°, 100%, 66%. It is a dark colour, so black text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#54BBFF#54BBFF
HEX#54BBFF
RGBrgb(84, 187, 255)
RGB (0–1)0.3294, 0.7333, 1
RGB percentages32.9%, 73.3%, 100%
HSLhsl(203.9, 100%, 66.5%)
HSV / HSBhsv(203.9, 67.1%, 100%)
CMYK67.1%, 26.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,553,151
CSS custom property--colour: #54BBFF;

Brightness & contrast

Relative luminance0.44645WCAG 2.x, 0 is black and 1 is white
Perceived brightness173.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.93:1
Contrast with white2.11:1WCAG normal text: Fail
Contrast with black9.93:1WCAG normal text: AAA
Greyscale equivalent#AAAAAA
Inverted#AB4400

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9CBCFFno red cones; affects about 1% of men; ΔE 16 from the original
Deuteranopia#84ABFEno green cones; the most common form, about 1% of men; ΔE 18.2 from the original
Tritanopia#00CCD2no blue cones; rare, and affects men and women equally; ΔE 40.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.11:1WCAG large text: Fail
Contrast with black, large text9.93:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 8.6Light skyblue · ΔE 15.6Cornflower blue · ΔE 22.5Sky blue · ΔE 22.7Steel blue · ΔE 23.1Light steelblue · ΔE 28.8
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 8.56, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF9854
Analogous#54FFED, #5466FF
Triadic#FF54BB, #BBFF54
Split complementary#FF5466, #FFEE54
Tetradic#ED54FF, #FF9854, #66FF54

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EDF8FF
Lighter +20%#BAE4FF
Lighter +10%#87CFFF
Darker −10%#21A7FF
Darker −20%#008FED
Darker −30%#0070BA
Darker −40%#005187
More saturated +25%#54BBFF
Less saturated −25%#69B7EA

Channel breakdown

R84
G187
B255
Red84 (32.9%)
Green187 (73.3%)
Blue255 (100%)
Hue203.86°
Saturation (HSL)100%
Lightness66.47%
Dominant channelBlue
Hex per channelR 54 · G BB · B FF

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Every value on this page was computed from “54bbff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.