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Colour

#0048CC

  • #0048CC
  • Blue
  • Dark
  • Nearest: Royal blue

#0048CC is a blue with RGB values 0, 72, 204 and HSL 219°, 100%, 40%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#0048CC#0048CC
HEX#0048CC
RGBrgb(0, 72, 204)
RGB (0–1)0, 0.2824, 0.8
RGB percentages0%, 28.2%, 80%
HSLhsl(218.8, 100%, 40%)
HSV / HSBhsv(218.8, 100%, 80%)
CMYK100%, 64.7%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer18,636
CSS custom property--colour: #0048CC;

Brightness & contrast

Relative luminance0.08994WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.5:1
Contrast with white7.5:1WCAG normal text: AAA
Contrast with black2.8:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#FFB733

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005ED0no red cones; affects about 1% of men; ΔE 16.2 from the original
Deuteranopia#004CCAno green cones; the most common form, about 1% of men; ΔE 4.3 from the original
Tritanopia#006C83no blue cones; rare, and affects men and women equally; ΔE 74.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.5:1WCAG large text: AAA
Contrast with black, large text2.8:1WCAG large text: Fail

Named colours

Royal blue · ΔE 16.5Slate blue · ΔE 17.6Medium slateblue · ΔE 18.8Dark blue · ΔE 26.5Rebecca purple · ΔE 26.9Navy · ΔE 27.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 16.49, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CC8400
Analogous#00AECC, #1E00CC
Triadic#CC0048, #48CC00
Split complementary#CC1E00, #AECC00
Tetradic#CC00AE, #CC8400, #00CC1E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#99BDFF
Lighter +30%#669CFF
Lighter +20%#337BFF
Lighter +10%#005AFF
Darker −10%#003699
Darker −20%#002466
Darker −30%#001233
Darker −40%#000000
More saturated +25%#0048CC
Less saturated −25%#1950B3

Channel breakdown

R0
G72
B204
Red0 (0%)
Green72 (28.2%)
Blue204 (80%)
Hue218.82°
Saturation (HSL)100%
Lightness40%
Dominant channelBlue
Hex per channelR 00 · G 48 · B CC

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Every value on this page was computed from “0048cc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.