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Recognised as Colour

#43A3DF

  • #43A3DF
  • Blue
  • Dark
  • Nearest: Deep skyblue

#43A3DF is a blue with RGB values 67, 163, 223 and HSL 203°, 71%, 57%. It is a dark colour, so black text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#43A3DF#43A3DF
HEX#43A3DF
RGBrgb(67, 163, 223)
RGB (0–1)0.2627, 0.6392, 0.8745
RGB percentages26.3%, 63.9%, 87.5%
HSLhsl(203.1, 70.9%, 56.9%)
HSV / HSBhsv(203.1, 70%, 87.5%)
CMYK70%, 26.9%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,432,863
CSS custom property--colour: #43A3DF;

Brightness & contrast

Relative luminance0.32715WCAG 2.x, 0 is black and 1 is white
Perceived brightness150.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.54:1
Contrast with white2.78:1WCAG normal text: Fail
Contrast with black7.54:1WCAG normal text: AAA
Greyscale equivalent#939393
Inverted#BC5C20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#87A3E2no red cones; affects about 1% of men; ΔE 15.8 from the original
Deuteranopia#7294DEno green cones; the most common form, about 1% of men; ΔE 17.6 from the original
Tritanopia#00B2B8no blue cones; rare, and affects men and women equally; ΔE 35.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.78:1WCAG large text: Fail
Contrast with black, large text7.54:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 12.9Steel blue · ΔE 14Light skyblue · ΔE 18.8Cornflower blue · ΔE 21.3Sky blue · ΔE 23.8Light steelblue · ΔE 28.5
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 12.89, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF7F43
Analogous#43DFCD, #4355DF
Triadic#DF43A3, #A3DF43
Split complementary#DF4355, #DFCD43
Tetradic#CD43DF, #DF7F43, #55DF43

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F1F8FD
Lighter +30%#C6E3F5
Lighter +20%#9ACEEE
Lighter +10%#6FB8E6
Darker −10%#238BCC
Darker −20%#1B6DA1
Darker −30%#145075
Darker −40%#0D3249
More saturated +25%#27A9FB
Less saturated −25%#5F9DC3

Channel breakdown

R67
G163
B223
Red67 (26.3%)
Green163 (63.9%)
Blue223 (87.5%)
Hue203.08°
Saturation (HSL)70.91%
Lightness56.86%
Dominant channelBlue
Hex per channelR 43 · G A3 · B DF

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Every value on this page was computed from “43a3df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.