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Recognised as Colour

#403B98

  • #403B98
  • Blue
  • Dark
  • Nearest: Dark slateblue

#403B98 is a blue with RGB values 64, 59, 152 and HSL 243°, 44%, 41%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#403B98#403B98
HEX#403B98
RGBrgb(64, 59, 152)
RGB (0–1)0.251, 0.2314, 0.5961
RGB percentages25.1%, 23.1%, 59.6%
HSLhsl(243.2, 44.1%, 41.4%)
HSV / HSBhsv(243.2, 61.2%, 59.6%)
CMYK57.9%, 61.2%, 0%, 40.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,209,560
CSS custom property--colour: #403B98;

Brightness & contrast

Relative luminance0.06485WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.14:1
Contrast with white9.14:1WCAG normal text: AAA
Contrast with black2.3:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#BFC467

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004C9Bno red cones; affects about 1% of men; ΔE 17.8 from the original
Deuteranopia#004596no green cones; the most common form, about 1% of men; ΔE 14.8 from the original
Tritanopia#0F5163no blue cones; rare, and affects men and women equally; ΔE 54.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.14:1WCAG large text: AAA
Contrast with black, large text2.3:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 9.2Rebecca purple · ΔE 13.6Midnight blue · ΔE 14.9Slate blue · ΔE 17.6Royal blue · ΔE 23Indigo · ΔE 24.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 9.21, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#93983B
Analogous#3B6498, #6E3B98
Triadic#98403B, #3B9840
Split complementary#986F3B, #64983B
Tetradic#983B65, #93983B, #3B986F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BDBBE4
Lighter +30%#9996D6
Lighter +20%#7671C8
Lighter +10%#524CBA
Darker −10%#312D73
Darker −20%#211E4F
Darker −30%#12102A
Darker −40%#020205
More saturated +25%#2821B2
Less saturated −25%#58557E

Channel breakdown

R64
G59
B152
Red64 (25.1%)
Green59 (23.1%)
Blue152 (59.6%)
Hue243.23°
Saturation (HSL)44.08%
Lightness41.37%
Dominant channelBlue
Hex per channelR 40 · G 3B · B 98

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Every value on this page was computed from “403b98” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.