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Colour

#004FA8

  • #004FA8
  • Blue
  • Dark
  • Nearest: Dark slateblue

#004FA8 is a blue with RGB values 0, 79, 168 and HSL 212°, 100%, 33%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#004FA8#004FA8
HEX#004FA8
RGBrgb(0, 79, 168)
RGB (0–1)0, 0.3098, 0.6588
RGB percentages0%, 31%, 65.9%
HSLhsl(211.8, 100%, 32.9%)
HSV / HSBhsv(211.8, 100%, 65.9%)
CMYK100%, 53%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer20,392
CSS custom property--colour: #004FA8;

Brightness & contrast

Relative luminance0.08419WCAG 2.x, 0 is black and 1 is white
Perceived brightness83 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.82:1
Contrast with white7.82:1WCAG normal text: AAA
Contrast with black2.68:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#FFB057

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0759ABno red cones; affects about 1% of men; ΔE 7 from the original
Deuteranopia#004BA6no green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#006574no blue cones; rare, and affects men and women equally; ΔE 51.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.82:1WCAG large text: AAA
Contrast with black, large text2.68:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 15.7Royal blue · ΔE 20.5Slate blue · ΔE 23.2Midnight blue · ΔE 25Dodgerblue · ΔE 27.2Rebecca purple · ΔE 27.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 15.73, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A85900
Analogous#00A3A8, #0500A8
Triadic#A8004F, #4FA800
Split complementary#A80500, #A3A800
Tetradic#A800A3, #A85900, #00A805

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#75B6FF
Lighter +30%#429BFF
Lighter +20%#0F80FF
Lighter +10%#0067DB
Darker −10%#003775
Darker −20%#001F42
Darker −30%#00070F
Darker −40%#000000
More saturated +25%#004FA8
Less saturated −25%#155093

Channel breakdown

R0
G79
B168
Red0 (0%)
Green79 (31%)
Blue168 (65.9%)
Hue211.79°
Saturation (HSL)100%
Lightness32.94%
Dominant channelBlue
Hex per channelR 00 · G 4F · B A8

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Every value on this page was computed from “004fa8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.