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Recognised as Colour

#45AFEF

  • #45AFEF
  • Blue
  • Dark
  • Nearest: Deep skyblue

#45AFEF is a blue with RGB values 69, 175, 239 and HSL 203°, 84%, 60%. It is a dark colour, so black text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#45AFEF#45AFEF
HEX#45AFEF
RGBrgb(69, 175, 239)
RGB (0–1)0.2706, 0.6863, 0.9373
RGB percentages27.1%, 68.6%, 93.7%
HSLhsl(202.6, 84.2%, 60.4%)
HSV / HSBhsv(202.6, 71.1%, 93.7%)
CMYK71.1%, 26.8%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,567,023
CSS custom property--colour: #45AFEF;

Brightness & contrast

Relative luminance0.38157WCAG 2.x, 0 is black and 1 is white
Perceived brightness161 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.63:1
Contrast with white2.43:1WCAG normal text: Fail
Contrast with black8.63:1WCAG normal text: AAA
Greyscale equivalent#9D9D9D
Inverted#BA5010

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#91AFF2no red cones; affects about 1% of men; ΔE 17.1 from the original
Deuteranopia#7A9FEEno green cones; the most common form, about 1% of men; ΔE 18.9 from the original
Tritanopia#00BFC5no blue cones; rare, and affects men and women equally; ΔE 37.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.43:1WCAG large text: Fail
Contrast with black, large text8.63:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 9.1Light skyblue · ΔE 16.9Steel blue · ΔE 18.8Cornflower blue · ΔE 22Sky blue · ΔE 22.9Light steelblue · ΔE 28.8
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 9.06, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EF8545
Analogous#45EFDA, #455AEF
Triadic#EF45AF, #AFEF45
Split complementary#EF455A, #EFDA45
Tetradic#DA45EF, #EF8545, #5AEF45

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D2ECFB
Lighter +20%#A3D7F7
Lighter +10%#74C3F3
Darker −10%#169BEB
Darker −20%#107CBE
Darker −30%#0C5E8F
Darker −40%#083F60
More saturated +25%#35B3FF
Less saturated −25%#5EA9D6

Channel breakdown

R69
G175
B239
Red69 (27.1%)
Green175 (68.6%)
Blue239 (93.7%)
Hue202.59°
Saturation (HSL)84.16%
Lightness60.39%
Dominant channelBlue
Hex per channelR 45 · G AF · B EF

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Every value on this page was computed from “45afef” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.