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Recognised as Colour

#4B78C8

  • #4B78C8
  • Blue
  • Dark
  • Nearest: Cornflower blue

#4B78C8 is a blue with RGB values 75, 120, 200 and HSL 218°, 53%, 54%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#4B78C8#4B78C8
HEX#4B78C8
RGBrgb(75, 120, 200)
RGB (0–1)0.2941, 0.4706, 0.7843
RGB percentages29.4%, 47.1%, 78.4%
HSLhsl(218.4, 53.2%, 53.9%)
HSV / HSBhsv(218.4, 62.5%, 78.4%)
CMYK62.5%, 40%, 0%, 21.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,946,120
CSS custom property--colour: #4B78C8;

Brightness & contrast

Relative luminance0.19099WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.82:1
Contrast with white4.36:1WCAG normal text: Fail
Contrast with black4.82:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#B48737

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#557FCBno red cones; affects about 1% of men; ΔE 3.8 from the original
Deuteranopia#4374C6no green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#008A96no blue cones; rare, and affects men and women equally; ΔE 47.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.36:1WCAG large text: AA
Contrast with black, large text4.82:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 11.5Dodgerblue · ΔE 19.2Steel blue · ΔE 19.7Royal blue · ΔE 25.4Dark slateblue · ΔE 26.2Medium purple · ΔE 27.7
Nearest named CSS colourCornflower blue (#6495ED)ΔE 11.54, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C89B4B
Analogous#4BB7C8, #5C4BC8
Triadic#C84B78, #78C84B
Split complementary#C85C4B, #B7C84B
Tetradic#C84BB7, #C89B4B, #4BC85C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E7EDF8
Lighter +30%#C0D0EC
Lighter +20%#99B3E0
Lighter +10%#7295D4
Darker −10%#345FAC
Darker −20%#284A85
Darker −30%#1D345D
Darker −40%#111E36
More saturated +25%#2E70E5
Less saturated −25%#6880AB

Channel breakdown

R75
G120
B200
Red75 (29.4%)
Green120 (47.1%)
Blue200 (78.4%)
Hue218.4°
Saturation (HSL)53.19%
Lightness53.92%
Dominant channelBlue
Hex per channelR 4B · G 78 · B C8

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Every value on this page was computed from “4b78c8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.