Colour

#424B50

#424B50
Blue
Dark
Nearest: Dark slate grey

#424B50 is a blue with RGB values 66, 75, 80 and HSL 201°, 10%, 29%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#424B50#424B50

HEX#424B50

RGBrgb(66, 75, 80)

RGB (0–1)0.2588, 0.2941, 0.3137

RGB percentages25.9%, 29.4%, 31.4%

HSLhsl(201.4, 9.6%, 28.6%)

HSV / HSBhsv(201.4, 17.5%, 31.4%)

CMYK17.5%, 6.2%, 0%, 68.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,344,656

CSS custom property--colour: #424B50;

Brightness & contrast

Relative luminance0.0677WCAG 2.x, 0 is black and 1 is white

Perceived brightness73 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.92:1

Contrast with white8.92:1WCAG normal text: AAA

Contrast with black2.35:1WCAG normal text: Fail

Greyscale equivalent#494949

Inverted#BDB4AF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#494B50no red cones; affects about 1% of men; ΔE 2.9 from the original

Deuteranopia#474950no green cones; the most common form, about 1% of men; ΔE 3.2 from the original

Tritanopia#3E4C4Dno blue cones; rare, and affects men and women equally; ΔE 3.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text8.92:1WCAG large text: AAA

Contrast with black, large text2.35:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.3 Dim grey · ΔE 14 Slate grey · ΔE 22.5 Gray · ΔE 22.8 Light slate grey · ΔE 25.6 Black · ΔE 31.6

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.34, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#504742

Analogous#42504E, #424450

Triadic#50424B, #4B5042

Split complementary#504244, #504E42

Tetradic#4E4250, #504742, #445042

Tints, shades & saturation

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

Lighter +40%#A7B1B7

Lighter +30%#8B98A0

Lighter +20%#707F88

Lighter +10%#59656C

Darker −10%#2B3134

Darker −20%#141718

Darker −30%#000000

Darker −40%#000000

More saturated +25%#305062

Less saturated −25%#494949

Channel breakdown

R66

G75

B80

Red66 (25.9%)

Green75 (29.4%)

Blue80 (31.4%)

Hue201.43°

Saturation (HSL)9.59%

Lightness28.63%

Dominant channelBlue

Hex per channelR 42 · G 4B · B 50

Keep nerding

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

#424B50

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