Colour

#379ADD

#379ADD
Blue
Dark
Nearest: Steel blue

#379ADD is a blue with RGB values 55, 154, 221 and HSL 204°, 71%, 54%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#379ADD#379ADD

HEX#379ADD

RGBrgb(55, 154, 221)

RGB (0–1)0.2157, 0.6039, 0.8667

RGB percentages21.6%, 60.4%, 86.7%

HSLhsl(204.2, 70.9%, 54.1%)

HSV / HSBhsv(204.2, 75.1%, 86.7%)

CMYK75.1%, 30.3%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,644,125

CSS custom property--colour: #379ADD;

Brightness & contrast

Relative luminance0.29144WCAG 2.x, 0 is black and 1 is white

Perceived brightness142.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.83:1

Contrast with white3.08:1WCAG normal text: Fail

Contrast with black6.83:1WCAG normal text: AA

Greyscale equivalent#8A8A8A

Inverted#C86522

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7B9CE0no red cones; affects about 1% of men; ΔE 13.7 from the original

Deuteranopia#648CDCno green cones; the most common form, about 1% of men; ΔE 15.8 from the original

Tritanopia#00AAB2no blue cones; rare, and affects men and women equally; ΔE 38.6 from the original

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

Contrast with white, large text3.08:1WCAG large text: AA

Contrast with black, large text6.83:1WCAG large text: AAA

Named colours

Steel blue · ΔE 13.2 Deep skyblue · ΔE 16.4 Cornflower blue · ΔE 17.1 Light skyblue · ΔE 23.7 Dodgerblue · ΔE 26.7 Sky blue · ΔE 29.1

Nearest named CSS colourSteel blue (#4682B4)ΔE 13.23, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DD7A37

Analogous#37DDCD, #3747DD

Triadic#DD379A, #9ADD37

Split complementary#DD3747, #DDCD37

Tetradic#CD37DD, #DD7A37, #47DD37

Tints, shades & saturation

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

Lighter +40%#E5F2FB

Lighter +30%#BADCF3

Lighter +20%#8EC6EC

Lighter +10%#63B0E4

Darker −10%#2180C0

Darker −20%#196395

Darker −30%#124669

Darker −40%#0A293E

More saturated +25%#1AA0FA

Less saturated −25%#5494C0

Channel breakdown

R55

G154

B221

Red55 (21.6%)

Green154 (60.4%)

Blue221 (86.7%)

Hue204.22°

Saturation (HSL)70.94%

Lightness54.12%

Dominant channelBlue

Hex per channelR 37 · G 9A · B DD

Keep nerding

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

#379ADD

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