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Colour

#2B91FF

  • #2B91FF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#2B91FF is a blue with RGB values 43, 145, 255 and HSL 211°, 100%, 58%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#2B91FF#2B91FF
HEX#2B91FF
RGBrgb(43, 145, 255)
RGB (0–1)0.1686, 0.5686, 1
RGB percentages16.9%, 56.9%, 100%
HSLhsl(211.1, 100%, 58.4%)
HSV / HSBhsv(211.1, 83.1%, 100%)
CMYK83.1%, 43.1%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,855,423
CSS custom property--colour: #2B91FF;

Brightness & contrast

Relative luminance0.27984WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.6:1
Contrast with white3.18:1WCAG normal text: Fail
Contrast with black6.6:1WCAG normal text: AA
Greyscale equivalent#838383
Inverted#D46E00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#589AFFno red cones; affects about 1% of men; ΔE 7.2 from the original
Deuteranopia#2B88FDno green cones; the most common form, about 1% of men; ΔE 6.2 from the original
Tritanopia#00ABBBno blue cones; rare, and affects men and women equally; ΔE 60.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.18:1WCAG large text: AA
Contrast with black, large text6.6:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 1Cornflower blue · ΔE 13.5Royal blue · ΔE 20.2Medium purple · ΔE 29.8Slate blue · ΔE 30Medium slateblue · ΔE 31.9
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 0.98, indistinguishable to the eye
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF992B
Analogous#2BFBFF, #2F2BFF
Triadic#FF2B91, #91FF2B
Split complementary#FF2F2B, #FBFF2B
Tetradic#FF2BFB, #FF992B, #2BFF2F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7FBFF
Lighter +30%#C4E0FF
Lighter +20%#91C6FF
Lighter +10%#5EABFF
Darker −10%#0077F7
Darker −20%#005EC4
Darker −30%#004691
Darker −40%#002D5E
More saturated +25%#2B91FF
Less saturated −25%#4692E5

Channel breakdown

R43
G145
B255
Red43 (16.9%)
Green145 (56.9%)
Blue255 (100%)
Hue211.13°
Saturation (HSL)100%
Lightness58.43%
Dominant channelBlue
Hex per channelR 2B · G 91 · B FF

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Every value on this page was computed from “2b91ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.