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Recognised as Colour

#4388FB

  • #4388FB
  • Blue
  • Dark
  • Nearest: Dodgerblue

#4388FB is a blue with RGB values 67, 136, 251 and HSL 218°, 96%, 62%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#4388FB#4388FB
HEX#4388FB
RGBrgb(67, 136, 251)
RGB (0–1)0.2627, 0.5333, 0.9843
RGB percentages26.3%, 53.3%, 98.4%
HSLhsl(217.5, 95.8%, 62.4%)
HSV / HSBhsv(217.5, 73.3%, 98.4%)
CMYK73.3%, 45.8%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,425,979
CSS custom property--colour: #4388FB;

Brightness & contrast

Relative luminance0.25767WCAG 2.x, 0 is black and 1 is white
Perceived brightness139.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.15:1
Contrast with white3.41:1WCAG normal text: Fail
Contrast with black6.15:1WCAG normal text: AA
Greyscale equivalent#828282
Inverted#BC7704

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B94FFno red cones; affects about 1% of men; ΔE 7.2 from the original
Deuteranopia#1D83F9no green cones; the most common form, about 1% of men; ΔE 3.8 from the original
Tritanopia#00A3B5no blue cones; rare, and affects men and women equally; ΔE 63.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.41:1WCAG large text: AA
Contrast with black, large text6.15:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 6.8Royal blue · ΔE 14Cornflower blue · ΔE 16.6Slate blue · ΔE 23.8Medium purple · ΔE 24.5Medium slateblue · ΔE 25.2
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 6.84, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FBB643
Analogous#43E4FB, #5A43FB
Triadic#FB4388, #88FB43
Split complementary#FB5A43, #E4FB43
Tetradic#FB43E4, #FBB643, #43FB5A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D9E7FE
Lighter +20%#A7C7FD
Lighter +10%#75A8FC
Darker −10%#1168FA
Darker −20%#0552D3
Darker −30%#033FA2
Darker −40%#022B70
More saturated +25%#3F87FF
Less saturated −25%#5B8EE3

Channel breakdown

R67
G136
B251
Red67 (26.3%)
Green136 (53.3%)
Blue251 (98.4%)
Hue217.5°
Saturation (HSL)95.83%
Lightness62.35%
Dominant channelBlue
Hex per channelR 43 · G 88 · B FB

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Every value on this page was computed from “4388fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.