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Recognised as Colour

#272A57

  • #272A57
  • Blue
  • Dark
  • Nearest: Dark slateblue

#272A57 is a blue with RGB values 39, 42, 87 and HSL 236°, 38%, 25%. It is a dark colour, so white text on it reaches 13.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#272A57#272A57
HEX#272A57
RGBrgb(39, 42, 87)
RGB (0–1)0.1529, 0.1647, 0.3412
RGB percentages15.3%, 16.5%, 34.1%
HSLhsl(236.3, 38.1%, 24.7%)
HSV / HSBhsv(236.3, 55.2%, 34.1%)
CMYK55.2%, 51.7%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,566,743
CSS custom property--colour: #272A57;

Brightness & contrast

Relative luminance0.02775WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.5:1
Contrast with white13.5:1WCAG normal text: AAA
Contrast with black1.56:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#D8D5A8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#163059no red cones; affects about 1% of men; ΔE 7.3 from the original
Deuteranopia#112D56no green cones; the most common form, about 1% of men; ΔE 7.2 from the original
Tritanopia#13343Cno blue cones; rare, and affects men and women equally; ΔE 29.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.5:1WCAG large text: AAA
Contrast with black, large text1.56:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 22.6Midnight blue · ΔE 28.9Black · ΔE 36.2Dark slate grey · ΔE 36.6Steel blue · ΔE 37.8Rebecca purple · ΔE 38.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 22.58, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#575427
Analogous#274257, #3C2757
Triadic#57272A, #2A5727
Split complementary#573C27, #425727
Tetradic#572742, #575427, #27573C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8387C7
Lighter +30%#5F65B7
Lighter +20%#474C9D
Lighter +10%#373B7A
Darker −10%#171934
Darker −20%#070811
Darker −30%#000000
Darker −40%#000000
More saturated +25%#171C67
Less saturated −25%#373847

Channel breakdown

R39
G42
B87
Red39 (15.3%)
Green42 (16.5%)
Blue87 (34.1%)
Hue236.25°
Saturation (HSL)38.1%
Lightness24.71%
Dominant channelBlue
Hex per channelR 27 · G 2A · B 57

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Every value on this page was computed from “272a57” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.