Colour

#42486C

#42486C
Blue
Dark
Nearest: Slate grey

#42486C is a blue with RGB values 66, 72, 108 and HSL 231°, 24%, 34%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Slate grey.

Colour values

#42486C#42486C

HEX#42486C

RGBrgb(66, 72, 108)

RGB (0–1)0.2588, 0.2824, 0.4235

RGB percentages25.9%, 28.2%, 42.4%

HSLhsl(231.4, 24.1%, 34.1%)

HSV / HSBhsv(231.4, 38.9%, 42.4%)

CMYK38.9%, 33.3%, 0%, 57.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,343,916

CSS custom property--colour: #42486C;

Brightness & contrast

Relative luminance0.06876WCAG 2.x, 0 is black and 1 is white

Perceived brightness75.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.84:1

Contrast with white8.84:1WCAG normal text: AAA

Contrast with black2.38:1WCAG normal text: Fail

Greyscale equivalent#494949

Inverted#BDB793

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3C4C6Eno red cones; affects about 1% of men; ΔE 3.9 from the original

Deuteranopia#39496Bno green cones; the most common form, about 1% of men; ΔE 3.7 from the original

Tritanopia#364F55no blue cones; rare, and affects men and women equally; ΔE 21.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text8.84:1WCAG large text: AAA

Contrast with black, large text2.38:1WCAG large text: Fail

Named colours

Slate grey · ΔE 25.9 Steel blue · ΔE 26.1 Dark slate grey · ΔE 26.2 Dim grey · ΔE 26.3 Dark slateblue · ΔE 27.7 Light slate grey · ΔE 28.3

Nearest named CSS colourSlate grey (#708090)ΔE 25.85, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#6C6642

Analogous#425D6C, #51426C

Triadic#6C4248, #486C42

Split complementary#6C5142, #5D6C42

Tetradic#6C425D, #6C6642, #426C51

Tints, shades & saturation

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

Lighter +40%#ADB2CD

Lighter +30%#8D94BA

Lighter +20%#6E76A6

Lighter +10%#555D8C

Darker −10%#2F334C

Darker −20%#1B1E2D

Darker −30%#08090D

Darker −40%#000000

More saturated +25%#2C3882

Less saturated −25%#575757

Channel breakdown

R66

G72

B108

Red66 (25.9%)

Green72 (28.2%)

Blue108 (42.4%)

Hue231.43°

Saturation (HSL)24.14%

Lightness34.12%

Dominant channelBlue

Hex per channelR 42 · G 48 · B 6C

Keep nerding

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

#42486C

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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