Recognised as Colour

#1D2FBB

#1D2FBB
Blue
Dark
Nearest: Dark blue

#1D2FBB is a blue with RGB values 29, 47, 187 and HSL 233°, 73%, 42%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#1D2FBB#1D2FBB

HEX#1D2FBB

RGBrgb(29, 47, 187)

RGB (0–1)0.1137, 0.1843, 0.7333

RGB percentages11.4%, 18.4%, 73.3%

HSLhsl(233.2, 73.1%, 42.4%)

HSV / HSBhsv(233.2, 84.5%, 73.3%)

CMYK84.5%, 74.9%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,912,763

CSS custom property--colour: #1D2FBB;

Brightness & contrast

Relative luminance0.05882WCAG 2.x, 0 is black and 1 is white

Perceived brightness74.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.65:1

Contrast with white9.65:1WCAG normal text: AAA

Contrast with black2.18:1WCAG normal text: Fail

Greyscale equivalent#353535

Inverted#E2D044

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004CBFno red cones; affects about 1% of men; ΔE 21.2 from the original

Deuteranopia#003DB9no green cones; the most common form, about 1% of men; ΔE 11.9 from the original

Tritanopia#005973no blue cones; rare, and affects men and women equally; ΔE 78.7 from the original

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

Contrast with white, large text9.65:1WCAG large text: AAA

Contrast with black, large text2.18:1WCAG large text: Fail

Named colours

Dark blue · ΔE 16.1 Navy · ΔE 18.7 Indigo · ΔE 23.3 Slate blue · ΔE 24.8 Medium slateblue · ΔE 25 Rebecca purple · ΔE 27.2

Nearest named CSS colourDark blue (#00008B)ΔE 16.11, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BBA91D

Analogous#1D7EBB, #5A1DBB

Triadic#BB1D2F, #2FBB1D

Split complementary#BB5A1D, #7EBB1D

Tetradic#BB1D7E, #BBA91D, #1DBB5A

Tints, shades & saturation

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

Lighter +40%#B1B9F3

Lighter +30%#8591EC

Lighter +20%#5969E5

Lighter +10%#2D41DE

Darker −10%#16248F

Darker −20%#0F1963

Darker −30%#080E37

Darker −40%#02030A

More saturated +25%#021AD6

Less saturated −25%#3844A0

Channel breakdown

R29

G47

B187

Red29 (11.4%)

Green47 (18.4%)

Blue187 (73.3%)

Hue233.16°

Saturation (HSL)73.15%

Lightness42.35%

Dominant channelBlue

Hex per channelR 1D · G 2F · B BB

Keep nerding

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

#1D2FBB

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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