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Recognised as Colour

#2661DA

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

#2661DA is a blue with RGB values 38, 97, 218 and HSL 220°, 71%, 50%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2661DA#2661DA
HEX#2661DA
RGBrgb(38, 97, 218)
RGB (0–1)0.149, 0.3804, 0.8549
RGB percentages14.9%, 38%, 85.5%
HSLhsl(220.3, 70.9%, 50.2%)
HSV / HSBhsv(220.3, 82.6%, 85.5%)
CMYK82.6%, 55.5%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,515,418
CSS custom property--colour: #2661DA;

Brightness & contrast

Relative luminance0.14023WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.52:1
Contrast with white5.52:1WCAG normal text: AA
Contrast with black3.8:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#D99E25

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0071DEno red cones; affects about 1% of men; ΔE 12.1 from the original
Deuteranopia#0061D8no green cones; the most common form, about 1% of men; ΔE 2.7 from the original
Tritanopia#007F94no blue cones; rare, and affects men and women equally; ΔE 67.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.52:1WCAG large text: AAA
Contrast with black, large text3.8:1WCAG large text: AA

Named colours

Royal blue · ΔE 4Slate blue · ΔE 13.8Medium slateblue · ΔE 17.2Dodgerblue · ΔE 22.3Medium purple · ΔE 22.9Dark slateblue · ΔE 28.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 4.04, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DA9F26
Analogous#26BBDA, #4526DA
Triadic#DA2661, #61DA26
Split complementary#DA4526, #BBDA26
Tetradic#DA26BB, #DA9F26, #26DA45

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D4E0F8
Lighter +30%#A9C0F0
Lighter +20%#7DA0E9
Lighter +10%#5281E1
Darker −10%#1E4DAF
Darker −20%#163A84
Darker −30%#0F2758
Darker −40%#08142C
More saturated +25%#0656FA
Less saturated −25%#466CBA

Channel breakdown

R38
G97
B218
Red38 (14.9%)
Green97 (38%)
Blue218 (85.5%)
Hue220.33°
Saturation (HSL)70.87%
Lightness50.2%
Dominant channelBlue
Hex per channelR 26 · G 61 · B DA

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