Colour

#152A4B

#152A4B
Blue
Dark
Nearest: Dark slate grey

#152A4B is a blue with RGB values 21, 42, 75 and HSL 217°, 56%, 19%. It is a dark colour, so white text on it reaches 14.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#152A4B#152A4B

HEX#152A4B

RGBrgb(21, 42, 75)

RGB (0–1)0.0824, 0.1647, 0.2941

RGB percentages8.2%, 16.5%, 29.4%

HSLhsl(216.7, 56.3%, 18.8%)

HSV / HSBhsv(216.7, 72%, 29.4%)

CMYK72%, 44%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,387,083

CSS custom property--colour: #152A4B;

Brightness & contrast

Relative luminance0.02323WCAG 2.x, 0 is black and 1 is white

Perceived brightness42.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.34:1

Contrast with white14.34:1WCAG normal text: AAA

Contrast with black1.46:1WCAG normal text: Fail

Greyscale equivalent#282828

Inverted#EAD5B4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1B2D4Cno red cones; affects about 1% of men; ΔE 2.1 from the original

Deuteranopia#13284Ano green cones; the most common form, about 1% of men; ΔE 1.3 from the original

Tritanopia#003236no blue cones; rare, and affects men and women equally; ΔE 24 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.34:1WCAG large text: AAA

Contrast with black, large text1.46:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 28.7 Black · ΔE 28.9 Dark slateblue · ΔE 32.1 Dim grey · ΔE 35.9 Steel blue · ΔE 37.5 Midnight blue · ΔE 38.3

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 28.68, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4B3615

Analogous#15454B, #1B154B

Triadic#4B152A, #2A4B15

Split complementary#4B1B15, #454B15

Tetradic#4B1545, #4B3615, #154B1B

Tints, shades & saturation

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

Lighter +40%#5B89D1

Lighter +30%#366DC3

Lighter +20%#2B579B

Lighter +10%#204073

Darker −10%#0A1423

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#092757

Less saturated −25%#212D3F

Channel breakdown

R21

G42

B75

Red21 (8.2%)

Green42 (16.5%)

Blue75 (29.4%)

Hue216.67°

Saturation (HSL)56.25%

Lightness18.82%

Dominant channelBlue

Hex per channelR 15 · G 2A · B 4B

Keep nerding

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

#152A4B

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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