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Recognised as Colour

#273D7C

  • #273D7C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#273D7C is a blue with RGB values 39, 61, 124 and HSL 224°, 52%, 32%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#273D7C#273D7C
HEX#273D7C
RGBrgb(39, 61, 124)
RGB (0–1)0.1529, 0.2392, 0.4863
RGB percentages15.3%, 23.9%, 48.6%
HSLhsl(224.5, 52.1%, 32%)
HSV / HSBhsv(224.5, 68.5%, 48.6%)
CMYK68.5%, 50.8%, 0%, 51.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,571,644
CSS custom property--colour: #273D7C;

Brightness & contrast

Relative luminance0.05224WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.27:1
Contrast with white10.27:1WCAG normal text: AAA
Contrast with black2.04:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#D8C283

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1B457Eno red cones; affects about 1% of men; ΔE 7.2 from the original
Deuteranopia#053D7Bno green cones; the most common form, about 1% of men; ΔE 4.7 from the original
Tritanopia#004C56no blue cones; rare, and affects men and women equally; ΔE 40.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.27:1WCAG large text: AAA
Contrast with black, large text2.04:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.3Midnight blue · ΔE 24.1Rebecca purple · ΔE 30.9Steel blue · ΔE 31.4Slate blue · ΔE 34.5Royal blue · ΔE 36
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.29, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7C6627
Analogous#27677C, #3C277C
Triadic#7C273D, #3D7C27
Split complementary#7C3C27, #677C27
Tetradic#7C2768, #7C6627, #277C3C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#92A6DD
Lighter +30%#6B86D1
Lighter +20%#4566C4
Lighter +10%#3350A3
Darker −10%#1B2A55
Darker −20%#0F172E
Darker −30%#020408
Darker −40%#000000
More saturated +25%#133390
Less saturated −25%#3B4768

Channel breakdown

R39
G61
B124
Red39 (15.3%)
Green61 (23.9%)
Blue124 (48.6%)
Hue224.47°
Saturation (HSL)52.15%
Lightness31.96%
Dominant channelBlue
Hex per channelR 27 · G 3D · B 7C

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Every value on this page was computed from “273d7c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.