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Recognised as Colour

#273D7D

  • #273D7D
  • Blue
  • Dark
  • Nearest: Dark slateblue

#273D7D is a blue with RGB values 39, 61, 125 and HSL 225°, 52%, 32%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#273D7D#273D7D
HEX#273D7D
RGBrgb(39, 61, 125)
RGB (0–1)0.1529, 0.2392, 0.4902
RGB percentages15.3%, 23.9%, 49%
HSLhsl(224.7, 52.4%, 32.2%)
HSV / HSBhsv(224.7, 68.8%, 49%)
CMYK68.8%, 51.2%, 0%, 51%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,571,645
CSS custom property--colour: #273D7D;

Brightness & contrast

Relative luminance0.05249WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.24:1
Contrast with white10.24:1WCAG normal text: AAA
Contrast with black2.05:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#D8C282

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1A457Fno red cones; affects about 1% of men; ΔE 7.3 from the original
Deuteranopia#033D7Cno green cones; the most common form, about 1% of men; ΔE 4.8 from the original
Tritanopia#004C57no blue cones; rare, and affects men and women equally; ΔE 40.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.24:1WCAG large text: AAA
Contrast with black, large text2.05:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.8Midnight blue · ΔE 23.6Rebecca purple · ΔE 30.4Steel blue · ΔE 31.7Slate blue · ΔE 34Royal blue · ΔE 35.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.78, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7D6727
Analogous#27687D, #3C277D
Triadic#7D273D, #3D7D27
Split complementary#7D3C27, #687D27
Tetradic#7D2768, #7D6727, #277D3C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#93A6DD
Lighter +30%#6C86D1
Lighter +20%#4566C5
Lighter +10%#3350A4
Darker −10%#1B2A56
Darker −20%#0F172F
Darker −30%#030408
Darker −40%#000000
More saturated +25%#123392
Less saturated −25%#3C4769

Channel breakdown

R39
G61
B125
Red39 (15.3%)
Green61 (23.9%)
Blue125 (49%)
Hue224.65°
Saturation (HSL)52.44%
Lightness32.16%
Dominant channelBlue
Hex per channelR 27 · G 3D · B 7D

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Every value on this page was computed from “273d7d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.