Colour

#1B1F29

#1B1F29
Blue
Dark
Nearest: Black

#1B1F29 is a blue with RGB values 27, 31, 41 and HSL 223°, 21%, 13%. It is a dark colour, so white text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1B1F29#1B1F29

HEX#1B1F29

RGBrgb(27, 31, 41)

RGB (0–1)0.1059, 0.1216, 0.1608

RGB percentages10.6%, 12.2%, 16.1%

HSLhsl(222.9, 20.6%, 13.3%)

HSV / HSBhsv(222.9, 34.1%, 16.1%)

CMYK34.1%, 24.4%, 0%, 83.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,777,449

CSS custom property--colour: #1B1F29;

Brightness & contrast

Relative luminance0.01373WCAG 2.x, 0 is black and 1 is white

Perceived brightness31.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.48:1

Contrast with white16.48:1WCAG normal text: AAA

Contrast with black1.27:1WCAG normal text: Fail

Greyscale equivalent#1F1F1F

Inverted#E4E0D6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1C2029no red cones; affects about 1% of men; ΔE 0.9 from the original

Deuteranopia#1B1E29no green cones; the most common form, about 1% of men; ΔE 1 from the original

Tritanopia#172122no blue cones; rare, and affects men and women equally; ΔE 7.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.48:1WCAG large text: AAA

Contrast with black, large text1.27:1WCAG large text: Fail

Named colours

Black · ΔE 13.9 Dark slate grey · ΔE 23.6 Dim grey · ΔE 33.5 Slate grey · ΔE 41.3 Gray · ΔE 42.5 Light slate grey · ΔE 44.4

Nearest named CSS colourBlack (#000000)ΔE 13.92, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#29251B

Analogous#1B2629, #1E1B29

Triadic#291B1F, #1F291B

Split complementary#291E1B, #26291B

Tetradic#291B26, #29251B, #1B291E

Tints, shades & saturation

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

Lighter +40%#6F7DA1

Lighter +30%#586585

Lighter +20%#444D67

Lighter +10%#2F3648

Darker −10%#07080A

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#131B31

Less saturated −25%#222222

Channel breakdown

R27

G31

B41

Red27 (10.6%)

Green31 (12.2%)

Blue41 (16.1%)

Hue222.86°

Saturation (HSL)20.59%

Lightness13.33%

Dominant channelBlue

Hex per channelR 1B · G 1F · B 29

Keep nerding

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

#1B1F29

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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