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Recognised as Colour

#4790CB

  • #4790CB
  • Blue
  • Dark
  • Nearest: Steel blue

#4790CB is a blue with RGB values 71, 144, 203 and HSL 207°, 56%, 54%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4790CB#4790CB
HEX#4790CB
RGBrgb(71, 144, 203)
RGB (0–1)0.2784, 0.5647, 0.7961
RGB percentages27.8%, 56.5%, 79.6%
HSLhsl(206.8, 55.9%, 53.7%)
HSV / HSBhsv(206.8, 65%, 79.6%)
CMYK65%, 29.1%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,690,123
CSS custom property--colour: #4790CB;

Brightness & contrast

Relative luminance0.25598WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.12:1
Contrast with white3.43:1WCAG normal text: Fail
Contrast with black6.12:1WCAG normal text: AA
Greyscale equivalent#858585
Inverted#B86F34

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7692CEno red cones; affects about 1% of men; ΔE 11 from the original
Deuteranopia#6485CAno green cones; the most common form, about 1% of men; ΔE 12.4 from the original
Tritanopia#009EA5no blue cones; rare, and affects men and women equally; ΔE 36 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.43:1WCAG large text: AA
Contrast with black, large text6.12:1WCAG large text: AAA

Named colours

Steel blue · ΔE 7.2Cornflower blue · ΔE 18.8Deep skyblue · ΔE 20.7Light skyblue · ΔE 24.6Light slate grey · ΔE 26.2Slate grey · ΔE 27.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.19, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CB8247
Analogous#47CBC4, #474ECB
Triadic#CB4790, #90CB47
Split complementary#CB474E, #CBC447
Tetradic#C447CB, #CB8247, #4ECB47

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6F0F8
Lighter +30%#BED8ED
Lighter +20%#97C0E1
Lighter +10%#6FA8D6
Darker −10%#3176AE
Darker −20%#265B86
Darker −30%#1B405E
Darker −40%#0F2537
More saturated +25%#2993E9
Less saturated −25%#658DAE

Channel breakdown

R71
G144
B203
Red71 (27.8%)
Green144 (56.5%)
Blue203 (79.6%)
Hue206.82°
Saturation (HSL)55.93%
Lightness53.73%
Dominant channelBlue
Hex per channelR 47 · G 90 · B CB

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Every value on this page was computed from “4790cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.