Colour

#042B79

#042B79
Blue
Dark
Nearest: Midnight blue

#042B79 is a blue with RGB values 4, 43, 121 and HSL 220°, 94%, 25%. It is a dark colour, so white text on it reaches 12.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#042B79#042B79

HEX#042B79

RGBrgb(4, 43, 121)

RGB (0–1)0.0157, 0.1686, 0.4745

RGB percentages1.6%, 16.9%, 47.5%

HSLhsl(220, 93.6%, 24.5%)

HSV / HSBhsv(220, 96.7%, 47.5%)

CMYK96.7%, 64.5%, 0%, 52.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer273,273

CSS custom property--colour: #042B79;

Brightness & contrast

Relative luminance0.03134WCAG 2.x, 0 is black and 1 is white

Perceived brightness52.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.91:1

Contrast with white12.91:1WCAG normal text: AAA

Contrast with black1.63:1WCAG normal text: Fail

Greyscale equivalent#282828

Inverted#FBD486

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00377Cno red cones; affects about 1% of men; ΔE 9.5 from the original

Deuteranopia#002C78no green cones; the most common form, about 1% of men; ΔE 1.6 from the original

Tritanopia#00404Dno blue cones; rare, and affects men and women equally; ΔE 48.8 from the original

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

Contrast with white, large text12.91:1WCAG large text: AAA

Contrast with black, large text1.63:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 11.5 Dark slateblue · ΔE 12.6 Rebecca purple · ΔE 24.8 Slate blue · ΔE 30.5 Indigo · ΔE 30.8 Navy · ΔE 32.1

Nearest named CSS colourMidnight blue (#191970)ΔE 11.5, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#795204

Analogous#046679, #180479

Triadic#79042B, #2B7904

Split complementary#791704, #667904

Tetradic#790465, #795204, #047917

Tints, shades & saturation

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

Lighter +40%#5088F9

Lighter +30%#1E67F8

Lighter +20%#074EDC

Lighter +10%#063DAA

Darker −10%#021948

Darker −20%#010816

Darker −30%#000000

Darker −40%#000000

More saturated +25%#002A7D

Less saturated −25%#143069

Channel breakdown

G43

B121

Red4 (1.6%)

Green43 (16.9%)

Blue121 (47.5%)

Hue220°

Saturation (HSL)93.6%

Lightness24.51%

Dominant channelBlue

Hex per channelR 04 · G 2B · B 79

Keep nerding

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

#042B79

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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