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Recognised as Colour

#2B1FFC

  • #2B1FFC
  • Blue
  • Dark
  • Nearest: Blue

#2B1FFC is a blue with RGB values 43, 31, 252 and HSL 243°, 97%, 55%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#2B1FFC#2B1FFC
HEX#2B1FFC
RGBrgb(43, 31, 252)
RGB (0–1)0.1686, 0.1216, 0.9882
RGB percentages16.9%, 12.2%, 98.8%
HSLhsl(243.3, 97.4%, 55.5%)
HSV / HSBhsv(243.3, 87.7%, 98.8%)
CMYK82.9%, 87.7%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,826,236
CSS custom property--colour: #2B1FFC;

Brightness & contrast

Relative luminance0.08522WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.77:1
Contrast with white7.77:1WCAG normal text: AAA
Contrast with black2.7:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#D4E003

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005DFFno red cones; affects about 1% of men; ΔE 37.1 from the original
Deuteranopia#0047F9no green cones; the most common form, about 1% of men; ΔE 23.5 from the original
Tritanopia#006E96no blue cones; rare, and affects men and women equally; ΔE 111.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.77:1WCAG large text: AAA
Contrast with black, large text2.7:1WCAG large text: Fail

Named colours

Blue · ΔE 9.5Medium blue · ΔE 15.2Blue violet · ΔE 27.9Dark violet · ΔE 31.7Dark orchid · ΔE 42.9Dark blue · ΔE 44.6
Nearest named CSS colourBlue (#0000FF)ΔE 9.51, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F0FC1F
Analogous#1F81FC, #9A1FFC
Triadic#FC2B1F, #1FFC2B
Split complementary#FC991F, #82FC1F
Tetradic#FC1F81, #F0FC1F, #1FFC9A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EAE8FF
Lighter +30%#BAB6FE
Lighter +20%#8A84FD
Lighter +10%#5B51FD
Darker −10%#0F03E5
Darker −20%#0C02B3
Darker −30%#090280
Darker −40%#05014E
More saturated +25%#281CFF
Less saturated −25%#443BE0

Channel breakdown

R43
G31
B252
Red43 (16.9%)
Green31 (12.2%)
Blue252 (98.8%)
Hue243.26°
Saturation (HSL)97.36%
Lightness55.49%
Dominant channelBlue
Hex per channelR 2B · G 1F · B FC

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Every value on this page was computed from “2b1ffc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.