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Colour

#475CCA

  • #475CCA
  • Blue
  • Dark
  • Nearest: Royal blue

#475CCA is a blue with RGB values 71, 92, 202 and HSL 230°, 55%, 54%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#475CCA#475CCA
HEX#475CCA
RGBrgb(71, 92, 202)
RGB (0–1)0.2784, 0.3608, 0.7922
RGB percentages27.8%, 36.1%, 79.2%
HSLhsl(230.4, 55.3%, 53.5%)
HSV / HSBhsv(230.4, 64.9%, 79.2%)
CMYK64.9%, 54.5%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,676,810
CSS custom property--colour: #475CCA;

Brightness & contrast

Relative luminance0.13258WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.75:1
Contrast with white5.75:1WCAG normal text: AA
Contrast with black3.65:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#B8A335

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#046CCEno red cones; affects about 1% of men; ΔE 15.3 from the original
Deuteranopia#0060C8no green cones; the most common form, about 1% of men; ΔE 9.7 from the original
Tritanopia#00768Ano blue cones; rare, and affects men and women equally; ΔE 62.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.75:1WCAG large text: AAA
Contrast with black, large text3.65:1WCAG large text: AA

Named colours

Royal blue · ΔE 7.3Slate blue · ΔE 9.3Medium slateblue · ΔE 17.5Medium purple · ΔE 18Dark slateblue · ΔE 21.5Rebecca purple · ΔE 22.5
Nearest named CSS colourRoyal blue (#4169E1)ΔE 7.33, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CAB547
Analogous#479ECA, #7347CA
Triadic#CA475C, #5CCA47
Split complementary#CA7447, #9ECA47
Tetradic#CA479E, #CAB547, #47CA73

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E5E8F8
Lighter +30%#BEC5EC
Lighter +20%#96A2E1
Lighter +10%#6F7FD5
Darker −10%#3245AC
Darker −20%#263585
Darker −30%#1B255D
Darker −40%#0F1636
More saturated +25%#2948E8
Less saturated −25%#6570AC

Channel breakdown

R71
G92
B202
Red71 (27.8%)
Green92 (36.1%)
Blue202 (79.2%)
Hue230.38°
Saturation (HSL)55.27%
Lightness53.53%
Dominant channelBlue
Hex per channelR 47 · G 5C · B CA

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Every value on this page was computed from “475cca” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.