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Recognised as Colour

#274FA3

  • #274FA3
  • Blue
  • Dark
  • Nearest: Dark slateblue

#274FA3 is a blue with RGB values 39, 79, 163 and HSL 221°, 61%, 40%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#274FA3#274FA3
HEX#274FA3
RGBrgb(39, 79, 163)
RGB (0–1)0.1529, 0.3098, 0.6392
RGB percentages15.3%, 31%, 63.9%
HSLhsl(220.6, 61.4%, 39.6%)
HSV / HSBhsv(220.6, 76.1%, 63.9%)
CMYK76.1%, 51.5%, 0%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,576,291
CSS custom property--colour: #274FA3;

Brightness & contrast

Relative luminance0.08668WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.68:1
Contrast with white7.68:1WCAG normal text: AAA
Contrast with black2.73:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#D8B05C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1A59A6no red cones; affects about 1% of men; ΔE 7.8 from the original
Deuteranopia#004EA1no green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#006371no blue cones; rare, and affects men and women equally; ΔE 49.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.68:1WCAG large text: AAA
Contrast with black, large text2.73:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.8Royal blue · ΔE 22.3Slate blue · ΔE 23.3Midnight blue · ΔE 24.6Rebecca purple · ΔE 26.4Cornflower blue · ΔE 27.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A37B27
Analogous#278DA3, #3D27A3
Triadic#A3274F, #4FA327
Split complementary#A33D27, #8DA327
Tetradic#A3278D, #A37B27, #27A33D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ABC0EB
Lighter +30%#82A1E1
Lighter +20%#5982D7
Lighter +10%#3163CC
Darker −10%#1D3B7A
Darker −20%#132751
Darker −30%#091328
Darker −40%#000000
More saturated +25%#0E46BC
Less saturated −25%#40588A

Channel breakdown

R39
G79
B163
Red39 (15.3%)
Green79 (31%)
Blue163 (63.9%)
Hue220.65°
Saturation (HSL)61.39%
Lightness39.61%
Dominant channelBlue
Hex per channelR 27 · G 4F · B A3

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Every value on this page was computed from “274fa3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.