Colour

#315D7B

#315D7B
Blue
Dark
Nearest: Steel blue

#315D7B is a blue with RGB values 49, 93, 123 and HSL 204°, 43%, 34%. It is a dark colour, so white text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#315D7B#315D7B

HEX#315D7B

RGBrgb(49, 93, 123)

RGB (0–1)0.1922, 0.3647, 0.4824

RGB percentages19.2%, 36.5%, 48.2%

HSLhsl(204.3, 43%, 33.7%)

HSV / HSBhsv(204.3, 60.2%, 48.2%)

CMYK60.2%, 24.4%, 0%, 51.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,235,195

CSS custom property--colour: #315D7B;

Brightness & contrast

Relative luminance0.09912WCAG 2.x, 0 is black and 1 is white

Perceived brightness86.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.04:1

Contrast with white7.04:1WCAG normal text: AAA

Contrast with black2.98:1WCAG normal text: Fail

Greyscale equivalent#565656

Inverted#CEA284

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#505D7Cno red cones; affects about 1% of men; ΔE 9.2 from the original

Deuteranopia#45557Ano green cones; the most common form, about 1% of men; ΔE 10 from the original

Tritanopia#006467no blue cones; rare, and affects men and women equally; ΔE 21.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text7.04:1WCAG large text: AAA

Contrast with black, large text2.98:1WCAG large text: Fail

Named colours

Steel blue · ΔE 18.3 Slate grey · ΔE 19 Dark slate grey · ΔE 19.9 Light slate grey · ΔE 21.2 Dim grey · ΔE 23.2 Gray · ΔE 27.3

Nearest named CSS colourSteel blue (#4682B4)ΔE 18.31, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7B4F31

Analogous#317B74, #31387B

Triadic#7B315D, #5D7B31

Split complementary#7B3138, #7B7431

Tetradic#74317B, #7B4F31, #387B31

Tints, shades & saturation

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

Lighter +40%#9FC1D9

Lighter +30%#7BAACA

Lighter +20%#5693BC

Lighter +10%#40799F

Darker −10%#224157

Darker −20%#142632

Darker −30%#050A0E

Darker −40%#000000

More saturated +25%#1C6191

Less saturated −25%#475966

Channel breakdown

R49

G93

B123

Red49 (19.2%)

Green93 (36.5%)

Blue123 (48.2%)

Hue204.32°

Saturation (HSL)43.02%

Lightness33.73%

Dominant channelBlue

Hex per channelR 31 · G 5D · B 7B

Keep nerding

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

#315D7B

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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