Colour

#042C77

#042C77
Blue
Dark
Nearest: Dark slateblue

#042C77 is a blue with RGB values 4, 44, 119 and HSL 219°, 93%, 24%. It is a dark colour, so white text on it reaches 12.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#042C77#042C77

HEX#042C77

RGBrgb(4, 44, 119)

RGB (0–1)0.0157, 0.1725, 0.4667

RGB percentages1.6%, 17.3%, 46.7%

HSLhsl(219.1, 93.5%, 24.1%)

HSV / HSBhsv(219.1, 96.6%, 46.7%)

CMYK96.6%, 63%, 0%, 53.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer273,527

CSS custom property--colour: #042C77;

Brightness & contrast

Relative luminance0.03159WCAG 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 12.87:1

Contrast with white12.87:1WCAG normal text: AAA

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

Greyscale equivalent#292929

Inverted#FBD388

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003779no red cones; affects about 1% of men; ΔE 9.1 from the original

Deuteranopia#002D76no 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 46.7 from the original

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

Contrast with white, large text12.87:1WCAG large text: AAA

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

Named colours

Dark slateblue · ΔE 12.6 Midnight blue · ΔE 13.3 Rebecca purple · ΔE 26.1 Slate blue · ΔE 31.7 Indigo · ΔE 32.6 Royal blue · ΔE 33.8

Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.61, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#774F04

Analogous#046577, #160477

Triadic#77042C, #2C7704

Split complementary#771604, #657704

Tetradic#770465, #774F04, #047716

Tints, shades & saturation

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

Lighter +40%#4E89F9

Lighter +30%#1D69F7

Lighter +20%#0750DA

Lighter +10%#063EA8

Darker −10%#021A46

Darker −20%#010814

Darker −30%#000000

Darker −40%#000000

More saturated +25%#002B7B

Less saturated −25%#133168

Channel breakdown

G44

B119

Red4 (1.6%)

Green44 (17.3%)

Blue119 (46.7%)

Hue219.13°

Saturation (HSL)93.5%

Lightness24.12%

Dominant channelBlue

Hex per channelR 04 · G 2C · B 77

Keep nerding

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

#042C77

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