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Recognised as Colour

#2F91C9

  • #2F91C9
  • Blue
  • Dark
  • Nearest: Steel blue

#2F91C9 is a blue with RGB values 47, 145, 201 and HSL 202°, 62%, 49%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#2F91C9#2F91C9
HEX#2F91C9
RGBrgb(47, 145, 201)
RGB (0–1)0.1843, 0.5686, 0.7882
RGB percentages18.4%, 56.9%, 78.8%
HSLhsl(201.8, 62.1%, 48.6%)
HSV / HSBhsv(201.8, 76.6%, 78.8%)
CMYK76.6%, 27.9%, 0%, 21.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,117,513
CSS custom property--colour: #2F91C9;

Brightness & contrast

Relative luminance0.25072WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.01:1
Contrast with white3.49:1WCAG normal text: Fail
Contrast with black6.01:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#D06E36

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7691CCno red cones; affects about 1% of men; ΔE 15.5 from the original
Deuteranopia#6283C8no green cones; the most common form, about 1% of men; ΔE 17.2 from the original
Tritanopia#009FA4no blue cones; rare, and affects men and women equally; ΔE 33.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.49:1WCAG large text: AA
Contrast with black, large text6.01:1WCAG large text: AAA

Named colours

Steel blue · ΔE 8.3Deep skyblue · ΔE 18.5Cornflower blue · ΔE 22.7Light skyblue · ΔE 24.2Light slate grey · ΔE 26.7Slate grey · ΔE 27.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 8.28, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C9672F
Analogous#2FC9B4, #2F44C9
Triadic#C92F91, #91C92F
Split complementary#C92F44, #C9B42F
Tetradic#B42FC9, #C9672F, #44C92F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D0E7F4
Lighter +30%#A7D2EA
Lighter +20%#7DBDE1
Lighter +10%#54A7D7
Darker −10%#2573A0
Darker −20%#1C5576
Darker −30%#12384D
Darker −40%#081A24
More saturated +25%#1099E8
Less saturated −25%#4E89AA

Channel breakdown

R47
G145
B201
Red47 (18.4%)
Green145 (56.9%)
Blue201 (78.8%)
Hue201.82°
Saturation (HSL)62.1%
Lightness48.63%
Dominant channelBlue
Hex per channelR 2F · G 91 · B C9

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Every value on this page was computed from “2f91c9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.