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Recognised as Colour

#30459F

  • #30459F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#30459F is a blue with RGB values 48, 69, 159 and HSL 229°, 54%, 41%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#30459F#30459F
HEX#30459F
RGBrgb(48, 69, 159)
RGB (0–1)0.1882, 0.2706, 0.6235
RGB percentages18.8%, 27.1%, 62.4%
HSLhsl(228.6, 53.6%, 40.6%)
HSV / HSBhsv(228.6, 69.8%, 62.4%)
CMYK69.8%, 56.6%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,163,551
CSS custom property--colour: #30459F;

Brightness & contrast

Relative luminance0.07388WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.48:1
Contrast with white8.48:1WCAG normal text: AAA
Contrast with black2.48:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#CFBA60

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0052A2no red cones; affects about 1% of men; ΔE 12.3 from the original
Deuteranopia#00489Dno green cones; the most common form, about 1% of men; ΔE 7.1 from the original
Tritanopia#005B6Bno blue cones; rare, and affects men and women equally; ΔE 53.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.48:1WCAG large text: AAA
Contrast with black, large text2.48:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 9.9Midnight blue · ΔE 19Slate blue · ΔE 19.2Rebecca purple · ΔE 20.2Royal blue · ΔE 20.8Medium purple · ΔE 26.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 9.94, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9F8A30
Analogous#307C9F, #52309F
Triadic#9F3045, #459F30
Split complementary#9F5230, #7D9F30
Tetradic#9F307D, #9F8A30, #309F53

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B3BDE8
Lighter +30%#8C9BDC
Lighter +20%#6579D0
Lighter +10%#3D57C5
Darker −10%#243478
Darker −20%#182351
Darker −30%#0D1229
Darker −40%#010102
More saturated +25%#1635B9
Less saturated −25%#4A5585

Channel breakdown

R48
G69
B159
Red48 (18.8%)
Green69 (27.1%)
Blue159 (62.4%)
Hue228.65°
Saturation (HSL)53.62%
Lightness40.59%
Dominant channelBlue
Hex per channelR 30 · G 45 · B 9F

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Every value on this page was computed from “30459f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.