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Recognised as Colour

#4389FF

  • #4389FF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#4389FF is a blue with RGB values 67, 137, 255 and HSL 218°, 100%, 63%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#4389FF#4389FF
HEX#4389FF
RGBrgb(67, 137, 255)
RGB (0–1)0.2627, 0.5373, 1
RGB percentages26.3%, 53.7%, 100%
HSLhsl(217.7, 100%, 63.1%)
HSV / HSBhsv(217.7, 73.7%, 100%)
CMYK73.7%, 46.3%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,426,239
CSS custom property--colour: #4389FF;

Brightness & contrast

Relative luminance0.26305WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.26:1
Contrast with white3.35:1WCAG normal text: Fail
Contrast with black6.26:1WCAG normal text: AA
Greyscale equivalent#838383
Inverted#BC7600

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4995FFno red cones; affects about 1% of men; ΔE 9.2 from the original
Deuteranopia#1684FDno green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#00A5B8no blue cones; rare, and affects men and women equally; ΔE 64.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.35:1WCAG large text: AA
Contrast with black, large text6.26:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 7.7Royal blue · ΔE 13.7Cornflower blue · ΔE 18.1Slate blue · ΔE 23.8Medium slateblue · ΔE 24.4Medium purple · ΔE 24.7
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 7.72, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFB943
Analogous#43E7FF, #5B43FF
Triadic#FF4389, #89FF43
Split complementary#FF5B43, #E7FF43
Tetradic#FF43E7, #FFB943, #43FF5B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DCE9FF
Lighter +20%#A9C9FF
Lighter +10%#76A9FF
Darker −10%#1069FF
Darker −20%#0052DC
Darker −30%#003FA9
Darker −40%#002C76
More saturated +25%#4389FF
Less saturated −25%#5A8FE8

Channel breakdown

R67
G137
B255
Red67 (26.3%)
Green137 (53.7%)
Blue255 (100%)
Hue217.66°
Saturation (HSL)100%
Lightness63.14%
Dominant channelBlue
Hex per channelR 43 · G 89 · B FF

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Every value on this page was computed from “4389ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.