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Recognised as Colour

#004F8E

  • #004F8E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#004F8E is a blue with RGB values 0, 79, 142 and HSL 207°, 100%, 28%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#004F8E#004F8E
HEX#004F8E
RGBrgb(0, 79, 142)
RGB (0–1)0, 0.3098, 0.5569
RGB percentages0%, 31%, 55.7%
HSLhsl(206.6, 100%, 27.8%)
HSV / HSBhsv(206.6, 100%, 55.7%)
CMYK100%, 44.4%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer20,366
CSS custom property--colour: #004F8E;

Brightness & contrast

Relative luminance0.07545WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.37:1
Contrast with white8.37:1WCAG normal text: AAA
Contrast with black2.51:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#FFB071

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2E5490no red cones; affects about 1% of men; ΔE 5 from the original
Deuteranopia#11488Dno green cones; the most common form, about 1% of men; ΔE 6.2 from the original
Tritanopia#005E67no blue cones; rare, and affects men and women equally; ΔE 38.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.37:1WCAG large text: AAA
Contrast with black, large text2.51:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 21.4Steel blue · ΔE 23Cornflower blue · ΔE 30.5Midnight blue · ΔE 33.1Dodgerblue · ΔE 35.2Royal blue · ΔE 35.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 21.36, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8E3F00
Analogous#008E86, #00088E
Triadic#8E004F, #4F8E00
Split complementary#8E0008, #8E8600
Tetradic#86008E, #8E3F00, #088E00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5BB6FF
Lighter +30%#28A0FF
Lighter +20%#0088F4
Lighter +10%#006BC1
Darker −10%#00335B
Darker −20%#001628
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004F8E
Less saturated −25%#124D7C

Channel breakdown

R0
G79
B142
Red0 (0%)
Green79 (31%)
Blue142 (55.7%)
Hue206.62°
Saturation (HSL)100%
Lightness27.84%
Dominant channelBlue
Hex per channelR 00 · G 4F · B 8E

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Every value on this page was computed from “004f8e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.