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Recognised as Colour

#2847FF

  • #2847FF
  • Blue
  • Dark
  • Nearest: Medium blue

#2847FF is a blue with RGB values 40, 71, 255 and HSL 231°, 100%, 58%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#2847FF#2847FF
HEX#2847FF
RGBrgb(40, 71, 255)
RGB (0–1)0.1569, 0.2784, 1
RGB percentages15.7%, 27.8%, 100%
HSLhsl(231.3, 100%, 57.8%)
HSV / HSBhsv(231.3, 84.3%, 100%)
CMYK84.3%, 72.2%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,639,871
CSS custom property--colour: #2847FF;

Brightness & contrast

Relative luminance0.12178WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.11:1
Contrast with white6.11:1WCAG normal text: AA
Contrast with black3.44:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#D7B800

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006CFFno red cones; affects about 1% of men; ΔE 28.3 from the original
Deuteranopia#0057FCno green cones; the most common form, about 1% of men; ΔE 13.4 from the original
Tritanopia#007D9Fno blue cones; rare, and affects men and women equally; ΔE 97.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.11:1WCAG large text: AAA
Contrast with black, large text3.44:1WCAG large text: AA

Named colours

Medium blue · ΔE 20.4Blue violet · ΔE 23Blue · ΔE 29.8Dark violet · ΔE 30.6Medium slateblue · ΔE 32.4Dark orchid · ΔE 34
Nearest named CSS colourMedium blue (#0000CD)ΔE 20.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFE028
Analogous#28B2FF, #7528FF
Triadic#FF2847, #47FF28
Split complementary#FF7528, #B2FF28
Tetradic#FF28B2, #FFE028, #28FF75

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F4F6FF
Lighter +30%#C1CAFF
Lighter +20%#8E9EFF
Lighter +10%#5B73FF
Darker −10%#0023F4
Darker −20%#001CC1
Darker −30%#00148E
Darker −40%#000D5B
More saturated +25%#2847FF
Less saturated −25%#435AE4

Channel breakdown

R40
G71
B255
Red40 (15.7%)
Green71 (27.8%)
Blue255 (100%)
Hue231.35°
Saturation (HSL)100%
Lightness57.84%
Dominant channelBlue
Hex per channelR 28 · G 47 · B FF

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Every value on this page was computed from “2847ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.