Colour

#4681B4

#4681B4
Blue
Dark
Nearest: Steel blue

#4681B4 is a blue with RGB values 70, 129, 180 and HSL 208°, 44%, 49%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4681B4#4681B4

HEX#4681B4

RGBrgb(70, 129, 180)

RGB (0–1)0.2745, 0.5059, 0.7059

RGB percentages27.5%, 50.6%, 70.6%

HSLhsl(207.8, 44%, 49%)

HSV / HSBhsv(207.8, 61.1%, 70.6%)

CMYK61.1%, 28.3%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,620,724

CSS custom property--colour: #4681B4;

Brightness & contrast

Relative luminance0.20298WCAG 2.x, 0 is black and 1 is white

Perceived brightness122.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.06:1

Contrast with white4.15:1WCAG normal text: Fail

Contrast with black5.06:1WCAG normal text: AA

Greyscale equivalent#787878

Inverted#B97E4B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6B82B6no red cones; affects about 1% of men; ΔE 9.5 from the original

Deuteranopia#5C78B3no green cones; the most common form, about 1% of men; ΔE 10.2 from the original

Tritanopia#008D93no blue cones; rare, and affects men and women equally; ΔE 32.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.15:1WCAG large text: AA

Contrast with black, large text5.06:1WCAG large text: AAA

Named colours

Steel blue · ΔE 0.8 Light slate grey · ΔE 21.9 Slate grey · ΔE 22.1 Cornflower blue · ΔE 23.2 Deep skyblue · ΔE 26.7 Light skyblue · ΔE 28.8

Nearest named CSS colourSteel blue (#4682B4)ΔE 0.8, indistinguishable to the eye

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B47946

Analogous#46B4B0, #464AB4

Triadic#B44681, #81B446

Split complementary#B4464A, #B4B046

Tetradic#B046B4, #B47946, #4AB446

Tints, shades & saturation

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

Lighter +40%#D7E4EF

Lighter +30%#B2CBE1

Lighter +20%#8DB3D3

Lighter +10%#699AC4

Darker −10%#38678F

Darker −20%#294C6B

Darker −30%#1B3246

Darker −40%#0D1821

More saturated +25%#2783D3

Less saturated −25%#657F95

Channel breakdown

R70

G129

B180

Red70 (27.5%)

Green129 (50.6%)

Blue180 (70.6%)

Hue207.82°

Saturation (HSL)44%

Lightness49.02%

Dominant channelBlue

Hex per channelR 46 · G 81 · B B4

Keep nerding

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

#4681B4

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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