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Colour

#275C66

  • #275C66
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#275C66 is a cyan with RGB values 39, 92, 102 and HSL 190°, 45%, 28%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#275C66#275C66
HEX#275C66
RGBrgb(39, 92, 102)
RGB (0–1)0.1529, 0.3608, 0.4
RGB percentages15.3%, 36.1%, 40%
HSLhsl(189.5, 44.7%, 27.6%)
HSV / HSBhsv(189.5, 61.8%, 40%)
CMYK61.8%, 9.8%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,579,558
CSS custom property--colour: #275C66;

Brightness & contrast

Relative luminance0.09045WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.48:1
Contrast with white7.48:1WCAG normal text: AAA
Contrast with black2.81:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#D8A399

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#545967no red cones; affects about 1% of men; ΔE 15.8 from the original
Deuteranopia#4A5266no green cones; the most common form, about 1% of men; ΔE 16.2 from the original
Tritanopia#00605Fno blue cones; rare, and affects men and women equally; ΔE 10.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.48:1WCAG large text: AAA
Contrast with black, large text2.81:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.1Teal · ΔE 19.2Dim grey · ΔE 19.9Slate grey · ΔE 20.7Dark cyan · ΔE 23.1Light slate grey · ΔE 23.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.11, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#663127
Analogous#276651, #273D66
Triadic#66275C, #5C6627
Split complementary#66273C, #665127
Tetradic#512766, #663127, #3D6627

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#88C6D1
Lighter +30%#63B4C3
Lighter +20%#439FB0
Lighter +10%#357D8B
Darker −10%#193B41
Darker −20%#0B191C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#156878
Less saturated −25%#395054

Channel breakdown

R39
G92
B102
Red39 (15.3%)
Green92 (36.1%)
Blue102 (40%)
Hue189.52°
Saturation (HSL)44.68%
Lightness27.65%
Dominant channelBlue
Hex per channelR 27 · G 5C · B 66

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Every value on this page was computed from “275c66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.