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Colour

#0048C5

  • #0048C5
  • Blue
  • Dark
  • Nearest: Royal blue

#0048C5 is a blue with RGB values 0, 72, 197 and HSL 218°, 100%, 39%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#0048C5#0048C5
HEX#0048C5
RGBrgb(0, 72, 197)
RGB (0–1)0, 0.2824, 0.7725
RGB percentages0%, 28.2%, 77.3%
HSLhsl(218.1, 100%, 38.6%)
HSV / HSBhsv(218.1, 100%, 77.3%)
CMYK100%, 63.5%, 0%, 22.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer18,629
CSS custom property--colour: #0048C5;

Brightness & contrast

Relative luminance0.08666WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.68:1
Contrast with white7.68:1WCAG normal text: AAA
Contrast with black2.73:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#FFB73A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005CC9no red cones; affects about 1% of men; ΔE 14.7 from the original
Deuteranopia#004BC3no green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#006A80no blue cones; rare, and affects men and women equally; ΔE 70.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.68:1WCAG large text: AAA
Contrast with black, large text2.73:1WCAG large text: Fail

Named colours

Royal blue · ΔE 14.6Slate blue · ΔE 16Medium slateblue · ΔE 19.5Rebecca purple · ΔE 25Dark blue · ΔE 27.4Navy · ΔE 27.5
Nearest named CSS colourRoyal blue (#4169E1)ΔE 14.55, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C57D00
Analogous#00ABC5, #1B00C5
Triadic#C50048, #48C500
Split complementary#C51B00, #AAC500
Tetradic#C500AA, #C57D00, #00C51B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#92BAFF
Lighter +30%#5F99FF
Lighter +20%#2C79FF
Lighter +10%#005BF8
Darker −10%#003592
Darker −20%#00235F
Darker −30%#00102C
Darker −40%#000000
More saturated +25%#0048C5
Less saturated −25%#194FAC

Channel breakdown

R0
G72
B197
Red0 (0%)
Green72 (28.2%)
Blue197 (77.3%)
Hue218.07°
Saturation (HSL)100%
Lightness38.63%
Dominant channelBlue
Hex per channelR 00 · G 48 · B C5

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Every value on this page was computed from “0048c5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.