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Recognised as Colour

#3A9BFE

  • #3A9BFE
  • Blue
  • Dark
  • Nearest: Dodgerblue

#3A9BFE is a blue with RGB values 58, 155, 254 and HSL 210°, 99%, 61%. It is a dark colour, so black text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Dodgerblue.

Colour values

#3A9BFE#3A9BFE
HEX#3A9BFE
RGBrgb(58, 155, 254)
RGB (0–1)0.2275, 0.6078, 0.9961
RGB percentages22.7%, 60.8%, 99.6%
HSLhsl(210.3, 99%, 61.2%)
HSV / HSBhsv(210.3, 77.2%, 99.6%)
CMYK77.2%, 39%, 0%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,841,022
CSS custom property--colour: #3A9BFE;

Brightness & contrast

Relative luminance0.31498WCAG 2.x, 0 is black and 1 is white
Perceived brightness149.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.3:1
Contrast with white2.88:1WCAG normal text: Fail
Contrast with black7.3:1WCAG normal text: AAA
Greyscale equivalent#8E8E8E
Inverted#C56401

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6BA2FFno red cones; affects about 1% of men; ΔE 7.6 from the original
Deuteranopia#4C90FCno green cones; the most common form, about 1% of men; ΔE 8.9 from the original
Tritanopia#00B3C0no blue cones; rare, and affects men and women equally; ΔE 55.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.88:1WCAG large text: Fail
Contrast with black, large text7.3:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 8.6Cornflower blue · ΔE 8.9Royal blue · ΔE 27.1Steel blue · ΔE 28.6Deep skyblue · ΔE 28.8Medium purple · ΔE 33.3
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 8.57, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FE9D3A
Analogous#3AFDFE, #3B3AFE
Triadic#FE3A9B, #9BFE3A
Split complementary#FE3B3A, #FDFE3A
Tetradic#FE3AFD, #FE9D3A, #3AFE3B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D2E8FF
Lighter +20%#9FCFFF
Lighter +10%#6DB5FE
Darker −10%#0781FE
Darker −20%#0168D1
Darker −30%#014F9E
Darker −40%#01356B
More saturated +25%#399BFF
Less saturated −25%#539BE5

Channel breakdown

R58
G155
B254
Red58 (22.7%)
Green155 (60.8%)
Blue254 (99.6%)
Hue210.31°
Saturation (HSL)98.99%
Lightness61.18%
Dominant channelBlue
Hex per channelR 3A · G 9B · B FE

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Every value on this page was computed from “3a9bfe” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.