Colour

#2A404B

#2A404B
Blue
Dark
Nearest: Dark slate grey

#2A404B is a blue with RGB values 42, 64, 75 and HSL 200°, 28%, 23%. It is a dark colour, so white text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2A404B#2A404B

HEX#2A404B

RGBrgb(42, 64, 75)

RGB (0–1)0.1647, 0.251, 0.2941

RGB percentages16.5%, 25.1%, 29.4%

HSLhsl(200, 28.2%, 22.9%)

HSV / HSBhsv(200, 44%, 29.4%)

CMYK44%, 14.7%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,768,971

CSS custom property--colour: #2A404B;

Brightness & contrast

Relative luminance0.04667WCAG 2.x, 0 is black and 1 is white

Perceived brightness59.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.86:1

Contrast with white10.86:1WCAG normal text: AAA

Contrast with black1.93:1WCAG normal text: Fail

Greyscale equivalent#3C3C3C

Inverted#D5BFB4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3B3F4Cno red cones; affects about 1% of men; ΔE 7 from the original

Deuteranopia#363B4Bno green cones; the most common form, about 1% of men; ΔE 7.5 from the original

Tritanopia#1D4343no blue cones; rare, and affects men and women equally; ΔE 9.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.86:1WCAG large text: AAA

Contrast with black, large text1.93:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.2 Dim grey · ΔE 21.5 Slate grey · ΔE 27.3 Black · ΔE 27.9 Gray · ΔE 29.8 Light slate grey · ΔE 30.4

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.2, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4B352A

Analogous#2A4B46, #2A2F4B

Triadic#4B2A40, #404B2A

Split complementary#4B2A30, #4B462A

Tetradic#452A4B, #4B352A, #304B2A

Tints, shades & saturation

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

Lighter +40%#86A9BB

Lighter +30%#6592A9

Lighter +20%#4F788C

Lighter +10%#3C5C6C

Darker −10%#18242A

Darker −20%#05080A

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1B455A

Less saturated −25%#393B3C

Channel breakdown

R42

G64

B75

Red42 (16.5%)

Green64 (25.1%)

Blue75 (29.4%)

Hue200°

Saturation (HSL)28.21%

Lightness22.94%

Dominant channelBlue

Hex per channelR 2A · G 40 · B 4B

Keep nerding

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

#2A404B

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