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Colour

#42719A

  • #42719A
  • Blue
  • Dark
  • Nearest: Steel blue

#42719A is a blue with RGB values 66, 113, 154 and HSL 208°, 40%, 43%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#42719A#42719A
HEX#42719A
RGBrgb(66, 113, 154)
RGB (0–1)0.2588, 0.4431, 0.6039
RGB percentages25.9%, 44.3%, 60.4%
HSLhsl(208, 40%, 43.1%)
HSV / HSBhsv(208, 57.1%, 60.4%)
CMYK57.1%, 26.6%, 0%, 39.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,354,458
CSS custom property--colour: #42719A;

Brightness & contrast

Relative luminance0.15302WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.17:1
Contrast with white5.17:1WCAG normal text: AA
Contrast with black4.06:1WCAG normal text: Fail
Greyscale equivalent#6A6A6A
Inverted#BD8E65

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#60729Cno red cones; affects about 1% of men; ΔE 8.3 from the original
Deuteranopia#546999no green cones; the most common form, about 1% of men; ΔE 9.2 from the original
Tritanopia#007B7Fno blue cones; rare, and affects men and women equally; ΔE 28.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.17:1WCAG large text: AAA
Contrast with black, large text4.06:1WCAG large text: AA

Named colours

Steel blue · ΔE 8.2Slate grey · ΔE 17.9Light slate grey · ΔE 18.8Dim grey · ΔE 27.3Gray · ΔE 28.3Dark slate grey · ΔE 28.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 8.23, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9A6B42
Analogous#429A97, #42459A
Triadic#9A4271, #719A42
Split complementary#9A4245, #9A9742
Tetradic#97429A, #9A6B42, #459A42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3D5E5
Lighter +30%#9FBCD6
Lighter +20%#7BA4C7
Lighter +10%#588BB7
Darker −10%#335776
Darker −20%#233D53
Darker −30%#14222F
Darker −40%#05080B
More saturated +25%#2773B6
Less saturated −25%#5E6F7F

Channel breakdown

R66
G113
B154
Red66 (25.9%)
Green113 (44.3%)
Blue154 (60.4%)
Hue207.95°
Saturation (HSL)40%
Lightness43.14%
Dominant channelBlue
Hex per channelR 42 · G 71 · B 9A

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Every value on this page was computed from “42719a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.