Recognised as Colour

#154B78

#154B78
Blue
Dark
Nearest: Steel blue

#154B78 is a blue with RGB values 21, 75, 120 and HSL 207°, 70%, 28%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#154B78#154B78

HEX#154B78

RGBrgb(21, 75, 120)

RGB (0–1)0.0824, 0.2941, 0.4706

RGB percentages8.2%, 29.4%, 47.1%

HSLhsl(207.3, 70.2%, 27.6%)

HSV / HSBhsv(207.3, 82.5%, 47.1%)

CMYK82.5%, 37.5%, 0%, 52.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,395,576

CSS custom property--colour: #154B78;

Brightness & contrast

Relative luminance0.06548WCAG 2.x, 0 is black and 1 is white

Perceived brightness71.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.09:1

Contrast with white9.09:1WCAG normal text: AAA

Contrast with black2.31:1WCAG normal text: Fail

Greyscale equivalent#434343

Inverted#EAB487

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#364D7Ano red cones; affects about 1% of men; ΔE 6.3 from the original

Deuteranopia#274477no green cones; the most common form, about 1% of men; ΔE 7.5 from the original

Tritanopia#00565Bno blue cones; rare, and affects men and women equally; ΔE 29.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text9.09:1WCAG large text: AAA

Contrast with black, large text2.31:1WCAG large text: Fail

Named colours

Steel blue · ΔE 22.1 Dark slateblue · ΔE 28.6 Dark slate grey · ΔE 29.3 Slate grey · ΔE 29.9 Light slate grey · ΔE 31.9 Dim grey · ΔE 33.5

Nearest named CSS colourSteel blue (#4682B4)ΔE 22.14, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#784215

Analogous#157873, #151A78

Triadic#78154B, #4B7815

Split complementary#78151A, #787315

Tetradic#731578, #784215, #1A7815

Tints, shades & saturation

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

Lighter +40%#73B2E6

Lighter +30%#479ADF

Lighter +20%#2481CF

Lighter +10%#1D66A3

Darker −10%#0D304D

Darker −20%#061521

Darker −30%#000000

Darker −40%#000000

More saturated +25%#034D8A

Less saturated −25%#274966

Channel breakdown

R21

G75

B120

Red21 (8.2%)

Green75 (29.4%)

Blue120 (47.1%)

Hue207.27°

Saturation (HSL)70.21%

Lightness27.65%

Dominant channelBlue

Hex per channelR 15 · G 4B · B 78

Keep nerding

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

#154B78

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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