Colour

#315B9C

#315B9C
Blue
Dark
Nearest: Steel blue

#315B9C is a blue with RGB values 49, 91, 156 and HSL 216°, 52%, 40%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#315B9C#315B9C

HEX#315B9C

RGBrgb(49, 91, 156)

RGB (0–1)0.1922, 0.3569, 0.6118

RGB percentages19.2%, 35.7%, 61.2%

HSLhsl(216.4, 52.2%, 40.2%)

HSV / HSBhsv(216.4, 68.6%, 61.2%)

CMYK68.6%, 41.7%, 0%, 38.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,234,716

CSS custom property--colour: #315B9C;

Brightness & contrast

Relative luminance0.10535WCAG 2.x, 0 is black and 1 is white

Perceived brightness91.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.76:1

Contrast with white6.76:1WCAG normal text: AA

Contrast with black3.11:1WCAG normal text: Fail

Greyscale equivalent#575757

Inverted#CEA463

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3D619Fno red cones; affects about 1% of men; ΔE 3.4 from the original

Deuteranopia#2C579Bno green cones; the most common form, about 1% of men; ΔE 2.7 from the original

Tritanopia#006A74no blue cones; rare, and affects men and women equally; ΔE 39.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.76:1WCAG large text: AAA

Contrast with black, large text3.11:1WCAG large text: AA

Named colours

Steel blue · ΔE 19.5 Dark slateblue · ΔE 20.3 Cornflower blue · ΔE 25.1 Dodgerblue · ΔE 31.4 Royal blue · ΔE 32.9 Slate grey · ΔE 33.8

Nearest named CSS colourSteel blue (#4682B4)ΔE 19.49, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9C7231

Analogous#31919C, #3C319C

Triadic#9C315B, #5B9C31

Split complementary#9C3C31, #919C31

Tetradic#9C3191, #9C7231, #319C3C

Tints, shades & saturation

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

Lighter +40%#B2C7E7

Lighter +30%#8BAADB

Lighter +20%#658ECE

Lighter +10%#3E72C2

Darker −10%#254475

Darker −20%#192E4E

Darker −30%#0C1728

Darker −40%#000001

More saturated +25%#1755B6

Less saturated −25%#4B6182

Channel breakdown

R49

G91

B156

Red49 (19.2%)

Green91 (35.7%)

Blue156 (61.2%)

Hue216.45°

Saturation (HSL)52.2%

Lightness40.2%

Dominant channelBlue

Hex per channelR 31 · G 5B · B 9C

Keep nerding

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

#315B9C

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