Colour

#004197

#004197
Blue
Dark
Nearest: Dark slateblue

#004197 is a blue with RGB values 0, 65, 151 and HSL 214°, 100%, 30%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#004197#004197

HEX#004197

RGBrgb(0, 65, 151)

RGB (0–1)0, 0.2549, 0.5922

RGB percentages0%, 25.5%, 59.2%

HSLhsl(214.2, 100%, 29.6%)

HSV / HSBhsv(214.2, 100%, 59.2%)

CMYK100%, 57%, 0%, 40.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,791

CSS custom property--colour: #004197;

Brightness & contrast

Relative luminance0.06015WCAG 2.x, 0 is black and 1 is white

Perceived brightness71.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.53:1

Contrast with white9.53:1WCAG normal text: AAA

Contrast with black2.2:1WCAG normal text: Fail

Greyscale equivalent#393939

Inverted#FFBE68

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004C9Ano red cones; affects about 1% of men; ΔE 8.2 from the original

Deuteranopia#003F95no green cones; the most common form, about 1% of men; ΔE 0.9 from the original

Tritanopia#005765no blue cones; rare, and affects men and women equally; ΔE 51.5 from the original

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

Contrast with white, large text9.53:1WCAG large text: AAA

Contrast with black, large text2.2:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.5 Midnight blue · ΔE 19.2 Royal blue · ΔE 24.1 Slate blue · ΔE 24.5 Rebecca purple · ΔE 25.2 Medium purple · ΔE 31.6

Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.53, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#975600

Analogous#008D97, #0A0097

Triadic#970041, #419700

Split complementary#970A00, #8D9700

Tetradic#97008D, #975600, #00970A

Tints, shades & saturation

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

Lighter +40%#64A7FF

Lighter +30%#318AFF

Lighter +20%#006DFD

Lighter +10%#0057CA

Darker −10%#002B64

Darker −20%#001531

Darker −30%#000000

Darker −40%#000000

More saturated +25%#004197

Less saturated −25%#134484

Channel breakdown

G65

B151

Red0 (0%)

Green65 (25.5%)

Blue151 (59.2%)

Hue214.17°

Saturation (HSL)100%

Lightness29.61%

Dominant channelBlue

Hex per channelR 00 · G 41 · B 97

Keep nerding

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#004197

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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