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Recognised as Colour

#4447CB

  • #4447CB
  • Blue
  • Dark
  • Nearest: Slate blue

#4447CB is a blue with RGB values 68, 71, 203 and HSL 239°, 56%, 53%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#4447CB#4447CB
HEX#4447CB
RGBrgb(68, 71, 203)
RGB (0–1)0.2667, 0.2784, 0.7961
RGB percentages26.7%, 27.8%, 79.6%
HSLhsl(238.7, 56.5%, 53.1%)
HSV / HSBhsv(238.7, 66.5%, 79.6%)
CMYK66.5%, 65%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,474,827
CSS custom property--colour: #4447CB;

Brightness & contrast

Relative luminance0.10047WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.98:1
Contrast with white6.98:1WCAG normal text: AA
Contrast with black3.01:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#BBB834

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005FCFno red cones; affects about 1% of men; ΔE 20.2 from the original
Deuteranopia#0053C8no green cones; the most common form, about 1% of men; ΔE 14.3 from the original
Tritanopia#006983no blue cones; rare, and affects men and women equally; ΔE 73.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.98:1WCAG large text: AAA
Contrast with black, large text3.01:1WCAG large text: AA

Named colours

Slate blue · ΔE 13.9Medium slateblue · ΔE 14.7Royal blue · ΔE 17.5Rebecca purple · ΔE 22.4Dark blue · ΔE 25.3Medium purple · ΔE 25.5
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 13.93, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CBC844
Analogous#448ACB, #8544CB
Triadic#CB4447, #47CB44
Split complementary#CB8544, #8ACB44
Tetradic#CB448A, #CBC844, #44CB85

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E4E4F7
Lighter +30%#BCBDEC
Lighter +20%#9496E1
Lighter +10%#6C6ED6
Darker −10%#3033AC
Darker −20%#252784
Darker −30%#1A1B5C
Darker −40%#0F0F34
More saturated +25%#262AE9
Less saturated −25%#6264AD

Channel breakdown

R68
G71
B203
Red68 (26.7%)
Green71 (27.8%)
Blue203 (79.6%)
Hue238.67°
Saturation (HSL)56.49%
Lightness53.14%
Dominant channelBlue
Hex per channelR 44 · G 47 · B CB

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Every value on this page was computed from “4447cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.