Colour

#1B1633

#1B1633
Blue
Dark
Nearest: Black

#1B1633 is a blue with RGB values 27, 22, 51 and HSL 250°, 40%, 14%. It is a dark colour, so white text on it reaches 17.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1B1633#1B1633

HEX#1B1633

RGBrgb(27, 22, 51)

RGB (0–1)0.1059, 0.0863, 0.2

RGB percentages10.6%, 8.6%, 20%

HSLhsl(250.3, 39.7%, 14.3%)

HSV / HSBhsv(250.3, 56.9%, 20%)

CMYK47.1%, 56.9%, 0%, 80%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,775,155

CSS custom property--colour: #1B1633;

Brightness & contrast

Relative luminance0.01046WCAG 2.x, 0 is black and 1 is white

Perceived brightness28.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.37:1

Contrast with white17.37:1WCAG normal text: AAA

Contrast with black1.21:1WCAG normal text: Fail

Greyscale equivalent#191919

Inverted#E4E9CC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0B1B34no red cones; affects about 1% of men; ΔE 7.9 from the original

Deuteranopia#0B1A32no green cones; the most common form, about 1% of men; ΔE 8 from the original

Tritanopia#141C22no blue cones; rare, and affects men and women equally; ΔE 18.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.37:1WCAG large text: AAA

Contrast with black, large text1.21:1WCAG large text: Fail

Named colours

Black · ΔE 23.5 Dark slate grey · ΔE 35 Dark slateblue · ΔE 35.2 Midnight blue · ΔE 37.8 Dim grey · ΔE 41.2 Slate grey · ΔE 46.2

Nearest named CSS colourBlack (#000000)ΔE 23.54, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2E3316

Analogous#161F33, #2A1633

Triadic#331B16, #16331B

Split complementary#332A16, #1F3316

Tetradic#33161F, #2E3316, #16332A

Tints, shades & saturation

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

Lighter +40%#6C5CB9

Lighter +30%#54449E

Lighter +20%#41357A

Lighter +10%#2E2557

Darker −10%#08070F

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#150D3C

Less saturated −25%#211F2A

Channel breakdown

R27

G22

B51

Red27 (10.6%)

Green22 (8.6%)

Blue51 (20%)

Hue250.34°

Saturation (HSL)39.73%

Lightness14.31%

Dominant channelBlue

Hex per channelR 1B · G 16 · B 33

Keep nerding

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

#1B1633

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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