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Recognised as Colour

#274F74

  • #274F74
  • Blue
  • Dark
  • Nearest: Steel blue

#274F74 is a blue with RGB values 39, 79, 116 and HSL 209°, 50%, 30%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#274F74#274F74
HEX#274F74
RGBrgb(39, 79, 116)
RGB (0–1)0.1529, 0.3098, 0.4549
RGB percentages15.3%, 31%, 45.5%
HSLhsl(208.8, 49.7%, 30.4%)
HSV / HSBhsv(208.8, 66.4%, 45.5%)
CMYK66.4%, 31.9%, 0%, 54.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,576,244
CSS custom property--colour: #274F74;

Brightness & contrast

Relative luminance0.07284WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.55:1
Contrast with white8.55:1WCAG normal text: AAA
Contrast with black2.46:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#D8B08B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F5076no red cones; affects about 1% of men; ΔE 6.3 from the original
Deuteranopia#344973no green cones; the most common form, about 1% of men; ΔE 6.7 from the original
Tritanopia#00585Cno blue cones; rare, and affects men and women equally; ΔE 25.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.55:1WCAG large text: AAA
Contrast with black, large text2.46:1WCAG large text: Fail

Named colours

Steel blue · ΔE 21.3Dark slate grey · ΔE 24Slate grey · ΔE 25.2Light slate grey · ΔE 27.5Dim grey · ΔE 28.1Dark slateblue · ΔE 32.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 21.32, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#744C27
Analogous#277473, #272874
Triadic#74274F, #4F7427
Split complementary#742729, #747327
Tetradic#722774, #744C27, #297427

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8EB5D9
Lighter +30%#689CCC
Lighter +20%#4283BF
Lighter +10%#34699A
Darker −10%#1A354E
Darker −20%#0D1B28
Darker −30%#010101
Darker −40%#000000
More saturated +25%#145087
Less saturated −25%#3A4E61

Channel breakdown

R39
G79
B116
Red39 (15.3%)
Green79 (31%)
Blue116 (45.5%)
Hue208.83°
Saturation (HSL)49.68%
Lightness30.39%
Dominant channelBlue
Hex per channelR 27 · G 4F · B 74

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Every value on this page was computed from “274f74” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.