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Recognised as Colour

#379EFF

  • #379EFF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#379EFF is a blue with RGB values 55, 158, 255 and HSL 209°, 100%, 61%. It is a dark colour, so black text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#379EFF#379EFF
HEX#379EFF
RGBrgb(55, 158, 255)
RGB (0–1)0.2157, 0.6196, 1
RGB percentages21.6%, 62%, 100%
HSLhsl(209.1, 100%, 60.8%)
HSV / HSBhsv(209.1, 78.4%, 100%)
CMYK78.4%, 38%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,645,183
CSS custom property--colour: #379EFF;

Brightness & contrast

Relative luminance0.32486WCAG 2.x, 0 is black and 1 is white
Perceived brightness151.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.5:1
Contrast with white2.8:1WCAG normal text: Fail
Contrast with black7.5:1WCAG normal text: AAA
Greyscale equivalent#8F8F8F
Inverted#C86100

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#70A4FFno red cones; affects about 1% of men; ΔE 8.7 from the original
Deuteranopia#5092FDno green cones; the most common form, about 1% of men; ΔE 10.3 from the original
Tritanopia#00B5C2no blue cones; rare, and affects men and women equally; ΔE 53.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.8:1WCAG large text: Fail
Contrast with black, large text7.5:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 9.3Dodgerblue · ΔE 10.4Deep skyblue · ΔE 26.8Steel blue · ΔE 27.8Royal blue · ΔE 29.1Medium purple · ΔE 34.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 9.32, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF9837
Analogous#37FFFC, #373AFF
Triadic#FF379E, #9EFF37
Split complementary#FF373A, #FFFC37
Tetradic#FC37FF, #FF9837, #3AFF37

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D0E8FF
Lighter +20%#9DCFFF
Lighter +10%#6AB7FF
Darker −10%#0485FF
Darker −20%#006BD0
Darker −30%#00519D
Darker −40%#00376A
More saturated +25%#379EFF
Less saturated −25%#509DE6

Channel breakdown

R55
G158
B255
Red55 (21.6%)
Green158 (62%)
Blue255 (100%)
Hue209.1°
Saturation (HSL)100%
Lightness60.78%
Dominant channelBlue
Hex per channelR 37 · G 9E · B FF

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Every value on this page was computed from “379eff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.