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Colour

#275B66

  • #275B66
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#275B66 is a cyan with RGB values 39, 91, 102 and HSL 190°, 45%, 28%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#275B66#275B66
HEX#275B66
RGBrgb(39, 91, 102)
RGB (0–1)0.1529, 0.3569, 0.4
RGB percentages15.3%, 35.7%, 40%
HSLhsl(190.5, 44.7%, 27.6%)
HSV / HSBhsv(190.5, 61.8%, 40%)
CMYK61.8%, 10.8%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,579,302
CSS custom property--colour: #275B66;

Brightness & contrast

Relative luminance0.08873WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.57:1
Contrast with white7.57:1WCAG normal text: AAA
Contrast with black2.77:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#D8A499

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#535867no red cones; affects about 1% of men; ΔE 15.5 from the original
Deuteranopia#495166no green cones; the most common form, about 1% of men; ΔE 16 from the original
Tritanopia#005F5Eno blue cones; rare, and affects men and women equally; ΔE 11.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.57:1WCAG large text: AAA
Contrast with black, large text2.77:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.2Dim grey · ΔE 19.9Teal · ΔE 19.9Slate grey · ΔE 20.6Light slate grey · ΔE 23.2Dark cyan · ΔE 23.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.21, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#663227
Analogous#276652, #273B66
Triadic#66275B, #5B6627
Split complementary#66273B, #665227
Tetradic#522766, #663227, #3C6627

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#88C4D1
Lighter +30%#63B2C3
Lighter +20%#439DB0
Lighter +10%#357C8B
Darker −10%#193A41
Darker −20%#0B191C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#156678
Less saturated −25%#395054

Channel breakdown

R39
G91
B102
Red39 (15.3%)
Green91 (35.7%)
Blue102 (40%)
Hue190.48°
Saturation (HSL)44.68%
Lightness27.65%
Dominant channelBlue
Hex per channelR 27 · G 5B · B 66

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Every value on this page was computed from “275b66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.