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Colour

#27409A

  • #27409A
  • Blue
  • Dark
  • Nearest: Dark slateblue

#27409A is a blue with RGB values 39, 64, 154 and HSL 227°, 60%, 38%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#27409A#27409A
HEX#27409A
RGBrgb(39, 64, 154)
RGB (0–1)0.1529, 0.251, 0.6039
RGB percentages15.3%, 25.1%, 60.4%
HSLhsl(227, 59.6%, 37.8%)
HSV / HSBhsv(227, 74.7%, 60.4%)
CMYK74.7%, 58.4%, 0%, 39.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,572,442
CSS custom property--colour: #27409A;

Brightness & contrast

Relative luminance0.06431WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.19:1
Contrast with white9.19:1WCAG normal text: AAA
Contrast with black2.29:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#D8BF65

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004D9Dno red cones; affects about 1% of men; ΔE 11.5 from the original
Deuteranopia#004398no green cones; the most common form, about 1% of men; ΔE 6 from the original
Tritanopia#005666no blue cones; rare, and affects men and women equally; ΔE 53.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.19:1WCAG large text: AAA
Contrast with black, large text2.29:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 10.3Midnight blue · ΔE 17Rebecca purple · ΔE 20.3Slate blue · ΔE 20.4Royal blue · ΔE 22.1Medium purple · ΔE 28
Nearest named CSS colourDark slateblue (#483D8B)ΔE 10.25, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9A8127
Analogous#27799A, #48279A
Triadic#9A2740, #409A27
Split complementary#9A4827, #7A9A27
Tetradic#9A2779, #9A8127, #279A47

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A5B3E8
Lighter +30%#7C91DE
Lighter +20%#536FD4
Lighter +10%#3151C3
Darker −10%#1D2F71
Darker −20%#121E49
Darker −30%#080D20
Darker −40%#000000
More saturated +25%#0F32B2
Less saturated −25%#3F4E82

Channel breakdown

R39
G64
B154
Red39 (15.3%)
Green64 (25.1%)
Blue154 (60.4%)
Hue226.96°
Saturation (HSL)59.59%
Lightness37.84%
Dominant channelBlue
Hex per channelR 27 · G 40 · B 9A

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Every value on this page was computed from “27409a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.