Colour

#3A8BD1

#3A8BD1
Blue
Dark
Nearest: Steel blue

#3A8BD1 is a blue with RGB values 58, 139, 209 and HSL 208°, 62%, 52%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3A8BD1#3A8BD1

HEX#3A8BD1

RGBrgb(58, 139, 209)

RGB (0–1)0.2275, 0.5451, 0.8196

RGB percentages22.7%, 54.5%, 82%

HSLhsl(207.8, 62.1%, 52.4%)

HSV / HSBhsv(207.8, 72.2%, 82%)

CMYK72.2%, 33.5%, 0%, 18%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,836,881

CSS custom property--colour: #3A8BD1;

Brightness & contrast

Relative luminance0.23968WCAG 2.x, 0 is black and 1 is white

Perceived brightness131.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.79:1

Contrast with white3.62:1WCAG normal text: Fail

Contrast with black5.79:1WCAG normal text: AA

Greyscale equivalent#7F7F7F

Inverted#C5742E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6B8ED4no red cones; affects about 1% of men; ΔE 9.6 from the original

Deuteranopia#5680D0no green cones; the most common form, about 1% of men; ΔE 11.5 from the original

Tritanopia#009CA4no blue cones; rare, and affects men and women equally; ΔE 41.5 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text3.62:1WCAG large text: AA

Contrast with black, large text5.79:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11.8 Cornflower blue · ΔE 13.7 Deep skyblue · ΔE 23.2 Dodgerblue · ΔE 23.5 Light skyblue · ΔE 29.4 Light slate grey · ΔE 32

Nearest named CSS colourSteel blue (#4682B4)ΔE 11.79, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#D1803A

Analogous#3AD1CC, #3A3FD1

Triadic#D13A8B, #8BD13A

Split complementary#D13A3F, #D1CC3A

Tetradic#CC3AD1, #D1803A, #3FD13A

Tints, shades & saturation

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

Lighter +40%#DFECF8

Lighter +30%#B6D4EE

Lighter +20%#8DBCE4

Lighter +10%#63A3DB

Darker −10%#2971AF

Darker −20%#1F5686

Darker −30%#163C5C

Darker −40%#0C2133

More saturated +25%#1C8DEF

Less saturated −25%#5889B3

Channel breakdown

R58

G139

B209

Red58 (22.7%)

Green139 (54.5%)

Blue209 (82%)

Hue207.81°

Saturation (HSL)62.14%

Lightness52.35%

Dominant channelBlue

Hex per channelR 3A · G 8B · B D1

Keep nerding

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

#3A8BD1

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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