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Recognised as Colour

#2F89DF

  • #2F89DF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#2F89DF is a blue with RGB values 47, 137, 223 and HSL 209°, 73%, 53%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#2F89DF#2F89DF
HEX#2F89DF
RGBrgb(47, 137, 223)
RGB (0–1)0.1843, 0.5373, 0.8745
RGB percentages18.4%, 53.7%, 87.5%
HSLhsl(209.3, 73.3%, 52.9%)
HSV / HSBhsv(209.3, 78.9%, 87.5%)
CMYK78.9%, 38.6%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,115,487
CSS custom property--colour: #2F89DF;

Brightness & contrast

Relative luminance0.23823WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.76:1
Contrast with white3.64:1WCAG normal text: Fail
Contrast with black5.76:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#D07620

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#608FE2no red cones; affects about 1% of men; ΔE 7.5 from the original
Deuteranopia#447FDDno green cones; the most common form, about 1% of men; ΔE 8.7 from the original
Tritanopia#009EA9no blue cones; rare, and affects men and women equally; ΔE 49.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.64:1WCAG large text: AA
Contrast with black, large text5.76:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 8.5Dodgerblue · ΔE 14.2Steel blue · ΔE 20.8Royal blue · ΔE 27.9Deep skyblue · ΔE 28.3Medium purple · ΔE 33.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 8.55, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF852F
Analogous#2FDFDD, #2F31DF
Triadic#DF2F89, #89DF2F
Split complementary#DF2F31, #DFDD2F
Tetradic#DD2FDF, #DF852F, #31DF2F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E0EDFA
Lighter +30%#B4D4F3
Lighter +20%#87BBED
Lighter +10%#5BA2E6
Darker −10%#1D6FBE
Darker −20%#165592
Darker −30%#103B65
Darker −40%#092239
More saturated +25%#118AFD
Less saturated −25%#4D88C1

Channel breakdown

R47
G137
B223
Red47 (18.4%)
Green137 (53.7%)
Blue223 (87.5%)
Hue209.32°
Saturation (HSL)73.33%
Lightness52.94%
Dominant channelBlue
Hex per channelR 2F · G 89 · B DF

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Every value on this page was computed from “2f89df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.