Colour

#004FFB

#004FFB
Blue
Dark
Nearest: Medium blue

#004FFB is a blue with RGB values 0, 79, 251 and HSL 221°, 100%, 49%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#004FFB#004FFB

HEX#004FFB

RGBrgb(0, 79, 251)

RGB (0–1)0, 0.3098, 0.9843

RGB percentages0%, 31%, 98.4%

HSLhsl(221.1, 100%, 49.2%)

HSV / HSBhsv(221.1, 100%, 98.4%)

CMYK100%, 68.5%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer20,475

CSS custom property--colour: #004FFB;

Brightness & contrast

Relative luminance0.12557WCAG 2.x, 0 is black and 1 is white

Perceived brightness104.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.98:1

Contrast with white5.98:1WCAG normal text: AA

Contrast with black3.51:1WCAG normal text: Fail

Greyscale equivalent#4B4B4B

Inverted#FFB004

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#006EFFno red cones; affects about 1% of men; ΔE 22.3 from the original

Deuteranopia#0058F8no green cones; the most common form, about 1% of men; ΔE 8.3 from the original

Tritanopia#00809Fno blue cones; rare, and affects men and women equally; ΔE 92.6 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text5.98:1WCAG large text: AAA

Contrast with black, large text3.51:1WCAG large text: AA

Named colours

Medium blue · ΔE 25.8 Blue violet · ΔE 26.2 Medium slateblue · ΔE 26.9 Royal blue · ΔE 33 Dark orchid · ΔE 33.9 Slate blue · ΔE 33.9

Nearest named CSS colourMedium blue (#0000CD)ΔE 25.77, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#FBAC00

Analogous#00CDFB, #2E00FB

Triadic#FB004F, #4FFB00

Split complementary#FB2E00, #CDFB00

Tetradic#FB00CD, #FBAC00, #00FB2E

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#C8D9FF

Lighter +30%#95B6FF

Lighter +20%#6293FF

Lighter +10%#2F70FF

Darker −10%#003FC8

Darker −20%#002F95

Darker −30%#001F62

Darker −40%#000F2F

More saturated +25%#004FFB

Less saturated −25%#1F5BDC

Channel breakdown

G79

B251

Red0 (0%)

Green79 (31%)

Blue251 (98.4%)

Hue221.12°

Saturation (HSL)100%

Lightness49.22%

Dominant channelBlue

Hex per channelR 00 · G 4F · B FB

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#004FFB

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

Nerdulate something else