Colour

#1F5CBC

#1F5CBC
Blue
Dark
Nearest: Royal blue

#1F5CBC is a blue with RGB values 31, 92, 188 and HSL 217°, 72%, 43%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#1F5CBC#1F5CBC

HEX#1F5CBC

RGBrgb(31, 92, 188)

RGB (0–1)0.1216, 0.3608, 0.7373

RGB percentages12.2%, 36.1%, 73.7%

HSLhsl(216.7, 71.7%, 42.9%)

HSV / HSBhsv(216.7, 83.5%, 73.7%)

CMYK83.5%, 51.1%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,055,356

CSS custom property--colour: #1F5CBC;

Brightness & contrast

Relative luminance0.11576WCAG 2.x, 0 is black and 1 is white

Perceived brightness96.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.33:1

Contrast with white6.33:1WCAG normal text: AA

Contrast with black3.32:1WCAG normal text: Fail

Greyscale equivalent#565656

Inverted#E0A343

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1C67BFno red cones; affects about 1% of men; ΔE 7.9 from the original

Deuteranopia#0059BAno green cones; the most common form, about 1% of men; ΔE 2 from the original

Tritanopia#007383no blue cones; rare, and affects men and women equally; ΔE 54.9 from the original

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

Contrast with white, large text6.33:1WCAG large text: AAA

Contrast with black, large text3.32:1WCAG large text: AA

Named colours

Royal blue · ΔE 15.1 Dark slateblue · ΔE 19.2 Slate blue · ΔE 19.7 Dodgerblue · ΔE 21.5 Cornflower blue · ΔE 23.7 Medium purple · ΔE 25.2

Nearest named CSS colourRoyal blue (#4169E1)ΔE 15.07, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BC7F1F

Analogous#1FAABC, #311FBC

Triadic#BC1F5C, #5CBC1F

Split complementary#BC311F, #AABC1F

Tetradic#BC1FAA, #BC7F1F, #1FBC31

Tints, shades & saturation

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

Lighter +40%#B4CDF3

Lighter +30%#89AFEB

Lighter +20%#5D91E4

Lighter +10%#3174DD

Darker −10%#184790

Darker −20%#113164

Darker −30%#091C39

Darker −40%#02060D

More saturated +25%#0456D7

Less saturated −25%#3A62A1

Channel breakdown

R31

G92

B188

Red31 (12.2%)

Green92 (36.1%)

Blue188 (73.7%)

Hue216.69°

Saturation (HSL)71.69%

Lightness42.94%

Dominant channelBlue

Hex per channelR 1F · G 5C · B BC

Keep nerding

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

#1F5CBC

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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