Colour

#004BB7

#004BB7
Blue
Dark
Nearest: Royal blue

#004BB7 is a blue with RGB values 0, 75, 183 and HSL 215°, 100%, 36%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#004BB7#004BB7

HEX#004BB7

RGBrgb(0, 75, 183)

RGB (0–1)0, 0.2941, 0.7176

RGB percentages0%, 29.4%, 71.8%

HSLhsl(215.4, 100%, 35.9%)

HSV / HSBhsv(215.4, 100%, 71.8%)

CMYK100%, 59%, 0%, 28.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer19,383

CSS custom property--colour: #004BB7;

Brightness & contrast

Relative luminance0.08451WCAG 2.x, 0 is black and 1 is white

Perceived brightness84.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.81:1

Contrast with white7.81:1WCAG normal text: AAA

Contrast with black2.69:1WCAG normal text: Fail

Greyscale equivalent#434343

Inverted#FFB448

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005ABBno red cones; affects about 1% of men; ΔE 10.8 from the original

Deuteranopia#004BB5no green cones; the most common form, about 1% of men; ΔE 1.2 from the original

Tritanopia#006779no blue cones; rare, and affects men and women equally; ΔE 62.4 from the original

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

Contrast with white, large text7.81:1WCAG large text: AAA

Contrast with black, large text2.69:1WCAG large text: Fail

Named colours

Royal blue · ΔE 13.4 Slate blue · ΔE 16 Dark slateblue · ΔE 20.5 Rebecca purple · ΔE 23.6 Midnight blue · ΔE 23.9 Medium slateblue · ΔE 24

Nearest named CSS colourRoyal blue (#4169E1)ΔE 13.39, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B76C00

Analogous#00A7B7, #1000B7

Triadic#B7004B, #4BB700

Split complementary#B71000, #A7B700

Tetradic#B700A7, #B76C00, #00B710

Tints, shades & saturation

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

Lighter +40%#84B6FF

Lighter +30%#5198FF

Lighter +20%#1E7AFF

Lighter +10%#0060EA

Darker −10%#003684

Darker −20%#002151

Darker −30%#000C1E

Darker −40%#000000

More saturated +25%#004BB7

Less saturated −25%#174FA0

Channel breakdown

G75

B183

Red0 (0%)

Green75 (29.4%)

Blue183 (71.8%)

Hue215.41°

Saturation (HSL)100%

Lightness35.88%

Dominant channelBlue

Hex per channelR 00 · G 4B · B B7

Keep nerding

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#004BB7

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

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