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Recognised as Colour

#274A45

  • #274A45
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#274A45 is a cyan with RGB values 39, 74, 69 and HSL 171°, 31%, 22%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#274A45#274A45
HEX#274A45
RGBrgb(39, 74, 69)
RGB (0–1)0.1529, 0.2902, 0.2706
RGB percentages15.3%, 29%, 27.1%
HSLhsl(171.4, 31%, 22.2%)
HSV / HSBhsv(171.4, 47.3%, 29%)
CMYK47.3%, 0%, 6.8%, 71%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,574,917
CSS custom property--colour: #274A45;

Brightness & contrast

Relative luminance0.05759WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.76:1
Contrast with white9.76:1WCAG normal text: AAA
Contrast with black2.15:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#D8B5BA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#474645no red cones; affects about 1% of men; ΔE 14.4 from the original
Deuteranopia#414245no green cones; the most common form, about 1% of men; ΔE 14.4 from the original
Tritanopia#194B48no blue cones; rare, and affects men and women equally; ΔE 3.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.76:1WCAG large text: AAA
Contrast with black, large text2.15:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 4.4Dim grey · ΔE 21.1Teal · ΔE 25.5Slate grey · ΔE 28.5Gray · ΔE 28.5Dark cyan · ΔE 29.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 4.39, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4A272C
Analogous#274A34, #273E4A
Triadic#45274A, #4A4527
Split complementary#4A273D, #4A3427
Tetradic#34274A, #4A272C, #3D4A27

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#81BCB4
Lighter +30%#5FABA0
Lighter +20%#4A8D83
Lighter +10%#396B64
Darker −10%#152926
Darker −20%#040707
Darker −30%#000000
Darker −40%#000000
More saturated +25%#19584F
Less saturated −25%#353C3B

Channel breakdown

R39
G74
B69
Red39 (15.3%)
Green74 (29%)
Blue69 (27.1%)
Hue171.43°
Saturation (HSL)30.97%
Lightness22.16%
Dominant channelGreen
Hex per channelR 27 · G 4A · B 45

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Every value on this page was computed from “274a45” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.