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Recognised as Colour

#375EDD

  • #375EDD
  • Blue
  • Dark
  • Nearest: Royal blue

#375EDD is a blue with RGB values 55, 94, 221 and HSL 226°, 71%, 54%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#375EDD#375EDD
HEX#375EDD
RGBrgb(55, 94, 221)
RGB (0–1)0.2157, 0.3686, 0.8667
RGB percentages21.6%, 36.9%, 86.7%
HSLhsl(225.9, 70.9%, 54.1%)
HSV / HSBhsv(225.9, 75.1%, 86.7%)
CMYK75.1%, 57.5%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,628,765
CSS custom property--colour: #375EDD;

Brightness & contrast

Relative luminance0.14038WCAG 2.x, 0 is black and 1 is white
Perceived brightness108 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.52:1
Contrast with white5.52:1WCAG normal text: AA
Contrast with black3.81:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#C8A122

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0071E1no red cones; affects about 1% of men; ΔE 15.4 from the original
Deuteranopia#0061DBno green cones; the most common form, about 1% of men; ΔE 6.1 from the original
Tritanopia#007E94no blue cones; rare, and affects men and women equally; ΔE 71 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.52:1WCAG large text: AAA
Contrast with black, large text3.81:1WCAG large text: AA

Named colours

Royal blue · ΔE 6.6Slate blue · ΔE 12.3Medium slateblue · ΔE 13.5Medium purple · ΔE 22.4Dodgerblue · ΔE 26.1Rebecca purple · ΔE 27.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 6.59, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDB637
Analogous#37B1DD, #6337DD
Triadic#DD375E, #5EDD37
Split complementary#DD6337, #B1DD37
Tetradic#DD37B1, #DDB637, #37DD63

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E5EAFB
Lighter +30%#BAC7F3
Lighter +20%#8EA4EC
Lighter +10%#6381E4
Darker −10%#2146C0
Darker −20%#193695
Darker −30%#122669
Darker −40%#0A163E
More saturated +25%#1A4EFA
Less saturated −25%#546EC0

Channel breakdown

R55
G94
B221
Red55 (21.6%)
Green94 (36.9%)
Blue221 (86.7%)
Hue225.9°
Saturation (HSL)70.94%
Lightness54.12%
Dominant channelBlue
Hex per channelR 37 · G 5E · B DD

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Every value on this page was computed from “375edd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.