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Recognised as Colour

#274B50

  • #274B50
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#274B50 is a cyan with RGB values 39, 75, 80 and HSL 187°, 34%, 23%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#274B50#274B50
HEX#274B50
RGBrgb(39, 75, 80)
RGB (0–1)0.1529, 0.2941, 0.3137
RGB percentages15.3%, 29.4%, 31.4%
HSLhsl(187.3, 34.5%, 23.3%)
HSV / HSBhsv(187.3, 51.2%, 31.4%)
CMYK51.2%, 6.2%, 0%, 68.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,575,184
CSS custom property--colour: #274B50;

Brightness & contrast

Relative luminance0.06043WCAG 2.x, 0 is black and 1 is white
Perceived brightness67 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.51:1
Contrast with white9.51:1WCAG normal text: AAA
Contrast with black2.21:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#D8B4AF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#464850no red cones; affects about 1% of men; ΔE 12.6 from the original
Deuteranopia#3F4350no green cones; the most common form, about 1% of men; ΔE 13.1 from the original
Tritanopia#114E4Cno blue cones; rare, and affects men and women equally; ΔE 8.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.51:1WCAG large text: AAA
Contrast with black, large text2.21:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 3.7Dim grey · ΔE 20Slate grey · ΔE 25.3Teal · ΔE 25.7Gray · ΔE 27.5Light slate grey · ΔE 28.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 3.72, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#502C27
Analogous#275040, #273750
Triadic#50274B, #4B5027
Split complementary#502737, #504027
Tetradic#402750, #502C27, #375027

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#81BAC2
Lighter +30%#5FA7B1
Lighter +20%#488B95
Lighter +10%#386B72
Darker −10%#162B2E
Darker −20%#060B0B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#18565F
Less saturated −25%#364041

Channel breakdown

R39
G75
B80
Red39 (15.3%)
Green75 (29.4%)
Blue80 (31.4%)
Hue187.32°
Saturation (HSL)34.45%
Lightness23.33%
Dominant channelBlue
Hex per channelR 27 · G 4B · B 50

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Every value on this page was computed from “274b50” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.