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Recognised as Colour

#4975D1

  • #4975D1
  • Blue
  • Dark
  • Nearest: Cornflower blue

#4975D1 is a blue with RGB values 73, 117, 209 and HSL 221°, 60%, 55%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#4975D1#4975D1
HEX#4975D1
RGBrgb(73, 117, 209)
RGB (0–1)0.2863, 0.4588, 0.8196
RGB percentages28.6%, 45.9%, 82%
HSLhsl(220.6, 59.6%, 55.3%)
HSV / HSBhsv(220.6, 65.1%, 82%)
CMYK65.1%, 44%, 0%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,814,289
CSS custom property--colour: #4975D1;

Brightness & contrast

Relative luminance0.18742WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.75:1
Contrast with white4.42:1WCAG normal text: Fail
Contrast with black4.75:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#B68A2E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#497FD5no red cones; affects about 1% of men; ΔE 6.2 from the original
Deuteranopia#3272CFno green cones; the most common form, about 1% of men; ΔE 3.4 from the original
Tritanopia#008A99no blue cones; rare, and affects men and women equally; ΔE 53.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.42:1WCAG large text: AA
Contrast with black, large text4.75:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 12.9Dodgerblue · ΔE 15.1Royal blue · ΔE 18Slate blue · ΔE 23.1Medium purple · ΔE 23.1Dark slateblue · ΔE 24.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 12.86, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D1A549
Analogous#49B9D1, #6149D1
Triadic#D14975, #75D149
Split complementary#D16149, #B9D149
Tetradic#D149B9, #D1A549, #49D161

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECF0FA
Lighter +30%#C3D2F0
Lighter +20%#9AB3E6
Lighter +10%#7294DB
Darker −10%#2F5BB8
Darker −20%#244790
Darker −30%#1A3367
Darker −40%#101F3E
More saturated +25%#2D6BEE
Less saturated −25%#667FB5

Channel breakdown

R73
G117
B209
Red73 (28.6%)
Green117 (45.9%)
Blue209 (82%)
Hue220.59°
Saturation (HSL)59.65%
Lightness55.29%
Dominant channelBlue
Hex per channelR 49 · G 75 · B D1

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Every value on this page was computed from “4975d1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.