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Recognised as Colour

#3E428A

  • #3E428A
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3E428A is a blue with RGB values 62, 66, 138 and HSL 237°, 38%, 39%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3E428A#3E428A
HEX#3E428A
RGBrgb(62, 66, 138)
RGB (0–1)0.2431, 0.2588, 0.5412
RGB percentages24.3%, 25.9%, 54.1%
HSLhsl(236.8, 38%, 39.2%)
HSV / HSBhsv(236.8, 55.1%, 54.1%)
CMYK55.1%, 52.2%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,080,266
CSS custom property--colour: #3E428A;

Brightness & contrast

Relative luminance0.06756WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.93:1
Contrast with white8.93:1WCAG normal text: AAA
Contrast with black2.35:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#C1BD75

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1D4D8Dno red cones; affects about 1% of men; ΔE 12.2 from the original
Deuteranopia#134788no green cones; the most common form, about 1% of men; ΔE 11.2 from the original
Tritanopia#1B525Fno blue cones; rare, and affects men and women equally; ΔE 43.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.93:1WCAG large text: AAA
Contrast with black, large text2.35:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 6Midnight blue · ΔE 21.1Rebecca purple · ΔE 23.7Slate blue · ΔE 27.2Royal blue · ΔE 30.1Medium purple · ΔE 30.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 6.05, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A863E
Analogous#3E688A, #603E8A
Triadic#8A3E42, #428A3E
Split complementary#8A603E, #688A3E
Tetradic#8A3E68, #8A863E, #3E8A60

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B6B8DE
Lighter +30%#9396CE
Lighter +20%#6F74BF
Lighter +10%#4E53AD
Darker −10%#2E3167
Darker −20%#1E2044
Darker −30%#0F1020
Darker −40%#000000
More saturated +25%#252CA3
Less saturated −25%#575871

Channel breakdown

R62
G66
B138
Red62 (24.3%)
Green66 (25.9%)
Blue138 (54.1%)
Hue236.84°
Saturation (HSL)38%
Lightness39.22%
Dominant channelBlue
Hex per channelR 3E · G 42 · B 8A

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Every value on this page was computed from “3e428a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.