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Recognised as Colour

#27407E

  • #27407E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#27407E is a blue with RGB values 39, 64, 126 and HSL 223°, 53%, 32%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#27407E#27407E
HEX#27407E
RGBrgb(39, 64, 126)
RGB (0–1)0.1529, 0.251, 0.4941
RGB percentages15.3%, 25.1%, 49.4%
HSLhsl(222.8, 52.7%, 32.4%)
HSV / HSBhsv(222.8, 69%, 49.4%)
CMYK69%, 49.2%, 0%, 50.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,572,414
CSS custom property--colour: #27407E;

Brightness & contrast

Relative luminance0.05604WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.9:1
Contrast with white9.9:1WCAG normal text: AAA
Contrast with black2.12:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#D8BF81

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#204780no red cones; affects about 1% of men; ΔE 5.8 from the original
Deuteranopia#0D3F7Dno green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#004E59no blue cones; rare, and affects men and women equally; ΔE 38.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.9:1WCAG large text: AAA
Contrast with black, large text2.12:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.4Midnight blue · ΔE 25.7Steel blue · ΔE 29.8Rebecca purple · ΔE 32.1Slate blue · ΔE 35.1Cornflower blue · ΔE 35.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.4, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7E6527
Analogous#276C7E, #39277E
Triadic#7E2740, #407E27
Split complementary#7E3927, #6B7E27
Tetradic#7E276C, #7E6527, #277E3A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#93A9DE
Lighter +30%#6C89D2
Lighter +20%#456AC6
Lighter +10%#3354A5
Darker −10%#1B2C57
Darker −20%#0F1830
Darker −30%#030509
Darker −40%#000000
More saturated +25%#123793
Less saturated −25%#3C4969

Channel breakdown

R39
G64
B126
Red39 (15.3%)
Green64 (25.1%)
Blue126 (49.4%)
Hue222.76°
Saturation (HSL)52.73%
Lightness32.35%
Dominant channelBlue
Hex per channelR 27 · G 40 · B 7E

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Every value on this page was computed from “27407e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.