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Recognised as Colour

#3F4898

  • #3F4898
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3F4898 is a blue with RGB values 63, 72, 152 and HSL 234°, 41%, 42%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3F4898#3F4898
HEX#3F4898
RGBrgb(63, 72, 152)
RGB (0–1)0.2471, 0.2824, 0.5961
RGB percentages24.7%, 28.2%, 59.6%
HSLhsl(233.9, 41.4%, 42.2%)
HSV / HSBhsv(233.9, 58.6%, 59.6%)
CMYK58.6%, 52.6%, 0%, 40.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,147,352
CSS custom property--colour: #3F4898;

Brightness & contrast

Relative luminance0.07958WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.1:1
Contrast with white8.1:1WCAG normal text: AAA
Contrast with black2.59:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#C0B767

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1C549Bno red cones; affects about 1% of men; ΔE 12.6 from the original
Deuteranopia#084C96no green cones; the most common form, about 1% of men; ΔE 10.6 from the original
Tritanopia#045A69no blue cones; rare, and affects men and women equally; ΔE 48.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.1:1WCAG large text: AAA
Contrast with black, large text2.59:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 6.5Midnight blue · ΔE 21.3Rebecca purple · ΔE 21.8Slate blue · ΔE 22.6Royal blue · ΔE 25Medium purple · ΔE 26.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 6.47, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#988F3F
Analogous#3F7598, #633F98
Triadic#983F48, #48983F
Split complementary#98633F, #75983F
Tetradic#983F74, #988F3F, #3F9862

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BFC2E4
Lighter +30%#9BA1D5
Lighter +20%#777FC6
Lighter +10%#525DB8
Darker −10%#303774
Darker −20%#212650
Darker −30%#12152C
Darker −40%#030408
More saturated +25%#2433B3
Less saturated −25%#5A5D7D

Channel breakdown

R63
G72
B152
Red63 (24.7%)
Green72 (28.2%)
Blue152 (59.6%)
Hue233.93°
Saturation (HSL)41.4%
Lightness42.16%
Dominant channelBlue
Hex per channelR 3F · G 48 · B 98

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Every value on this page was computed from “3f4898” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.