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Colour

#45A4FF

  • #45A4FF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#45A4FF is a blue with RGB values 69, 164, 255 and HSL 209°, 100%, 64%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#45A4FF#45A4FF
HEX#45A4FF
RGBrgb(69, 164, 255)
RGB (0–1)0.2706, 0.6431, 1
RGB percentages27.1%, 64.3%, 100%
HSLhsl(209.4, 100%, 63.5%)
HSV / HSBhsv(209.4, 72.9%, 100%)
CMYK72.9%, 35.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,564,223
CSS custom property--colour: #45A4FF;

Brightness & contrast

Relative luminance0.35036WCAG 2.x, 0 is black and 1 is white
Perceived brightness156.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.01:1
Contrast with white2.62:1WCAG normal text: Fail
Contrast with black8.01:1WCAG normal text: AAA
Greyscale equivalent#969696
Inverted#BA5B00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7AA9FFno red cones; affects about 1% of men; ΔE 9.1 from the original
Deuteranopia#5F98FDno green cones; the most common form, about 1% of men; ΔE 10.8 from the original
Tritanopia#00BAC5no blue cones; rare, and affects men and women equally; ΔE 51.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.62:1WCAG large text: Fail
Contrast with black, large text8.01:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 9.4Dodgerblue · ΔE 14.7Deep skyblue · ΔE 23.1Steel blue · ΔE 25.5Light skyblue · ΔE 30.9Royal blue · ΔE 32.8
Nearest named CSS colourCornflower blue (#6495ED)ΔE 9.39, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFA045
Analogous#45FFFD, #4547FF
Triadic#FF45A4, #A4FF45
Split complementary#FF4547, #FFFD45
Tetradic#FD45FF, #FFA045, #47FF45

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DEEFFF
Lighter +20%#ABD6FF
Lighter +10%#78BDFF
Darker −10%#128BFF
Darker −20%#0071DE
Darker −30%#0057AB
Darker −40%#003D78
More saturated +25%#45A4FF
Less saturated −25%#5CA3E8

Channel breakdown

R69
G164
B255
Red69 (27.1%)
Green164 (64.3%)
Blue255 (100%)
Hue209.35°
Saturation (HSL)100%
Lightness63.53%
Dominant channelBlue
Hex per channelR 45 · G A4 · B FF

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Every value on this page was computed from “45a4ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.