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Recognised as Colour

#2661D1

  • #2661D1
  • Blue
  • Dark
  • Nearest: Royal blue

#2661D1 is a blue with RGB values 38, 97, 209 and HSL 219°, 69%, 48%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2661D1#2661D1
HEX#2661D1
RGBrgb(38, 97, 209)
RGB (0–1)0.149, 0.3804, 0.8196
RGB percentages14.9%, 38%, 82%
HSLhsl(219.3, 69.2%, 48.4%)
HSV / HSBhsv(219.3, 81.8%, 82%)
CMYK81.8%, 53.6%, 0%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,515,409
CSS custom property--colour: #2661D1;

Brightness & contrast

Relative luminance0.13565WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.66:1
Contrast with white5.66:1WCAG normal text: AA
Contrast with black3.71:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#D99E2E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006FD5no red cones; affects about 1% of men; ΔE 10.7 from the original
Deuteranopia#0060CFno green cones; the most common form, about 1% of men; ΔE 2.4 from the original
Tritanopia#007D8Fno blue cones; rare, and affects men and women equally; ΔE 63.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.66:1WCAG large text: AAA
Contrast with black, large text3.71:1WCAG large text: AA

Named colours

Royal blue · ΔE 6.1Slate blue · ΔE 14.7Dodgerblue · ΔE 20.1Medium slateblue · ΔE 20.6Medium purple · ΔE 22.4Dark slateblue · ΔE 24.8
Nearest named CSS colourRoyal blue (#4169E1)ΔE 6.09, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D19626
Analogous#26B7D1, #4126D1
Triadic#D12661, #61D126
Split complementary#D14026, #B7D126
Tetradic#D126B7, #D19626, #26D140

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CDDBF6
Lighter +30%#A2BCEE
Lighter +20%#779DE6
Lighter +10%#4C7EDE
Darker −10%#1E4DA6
Darker −20%#16397B
Darker −30%#0E2550
Darker −40%#071124
More saturated +25%#0757F0
Less saturated −25%#456BB2

Channel breakdown

R38
G97
B209
Red38 (14.9%)
Green97 (38%)
Blue209 (82%)
Hue219.3°
Saturation (HSL)69.23%
Lightness48.43%
Dominant channelBlue
Hex per channelR 26 · G 61 · B D1

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Every value on this page was computed from “2661d1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.