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Recognised as Colour

#274C91

  • #274C91
  • Blue
  • Dark
  • Nearest: Dark slateblue

#274C91 is a blue with RGB values 39, 76, 145 and HSL 219°, 58%, 36%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#274C91#274C91
HEX#274C91
RGBrgb(39, 76, 145)
RGB (0–1)0.1529, 0.298, 0.5686
RGB percentages15.3%, 29.8%, 56.9%
HSLhsl(219.1, 57.6%, 36.1%)
HSV / HSBhsv(219.1, 73.1%, 56.9%)
CMYK73.1%, 47.6%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,575,505
CSS custom property--colour: #274C91;

Brightness & contrast

Relative luminance0.07645WCAG 2.x, 0 is black and 1 is white
Perceived brightness79 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.3:1
Contrast with white8.3:1WCAG normal text: AAA
Contrast with black2.53:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#D8B36E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#285394no red cones; affects about 1% of men; ΔE 4.5 from the original
Deuteranopia#104A90no green cones; the most common form, about 1% of men; ΔE 2.7 from the original
Tritanopia#005C67no blue cones; rare, and affects men and women equally; ΔE 42.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.3:1WCAG large text: AAA
Contrast with black, large text2.53:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.6Steel blue · ΔE 26.7Midnight blue · ΔE 27.6Cornflower blue · ΔE 29.7Royal blue · ΔE 31.1Slate blue · ΔE 31.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#916C27
Analogous#278191, #372791
Triadic#91274C, #4C9127
Split complementary#913727, #819127
Tetradic#912781, #916C27, #279137

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9FB7E5
Lighter +30%#7799DA
Lighter +20%#4E7CD0
Lighter +10%#3261B9
Darker −10%#1C3769
Darker −20%#112241
Darker −30%#070D18
Darker −40%#000000
More saturated +25%#1045A8
Less saturated −25%#3E537A

Channel breakdown

R39
G76
B145
Red39 (15.3%)
Green76 (29.8%)
Blue145 (56.9%)
Hue219.06°
Saturation (HSL)57.61%
Lightness36.08%
Dominant channelBlue
Hex per channelR 27 · G 4C · B 91

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Every value on this page was computed from “274c91” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.