Recognised as Colour

#1D1B27

#1D1B27
Blue
Dark
Nearest: Black

#1D1B27 is a blue with RGB values 29, 27, 39 and HSL 250°, 18%, 13%. It is a dark colour, so white text on it reaches 17:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1D1B27#1D1B27

HEX#1D1B27

RGBrgb(29, 27, 39)

RGB (0–1)0.1137, 0.1059, 0.1529

RGB percentages11.4%, 10.6%, 15.3%

HSLhsl(250, 18.2%, 12.9%)

HSV / HSBhsv(250, 30.8%, 15.3%)

CMYK25.6%, 30.8%, 0%, 84.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,907,495

CSS custom property--colour: #1D1B27;

Brightness & contrast

Relative luminance0.01192WCAG 2.x, 0 is black and 1 is white

Perceived brightness29.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.96:1

Contrast with white16.96:1WCAG normal text: AAA

Contrast with black1.24:1WCAG normal text: Fail

Greyscale equivalent#1C1C1C

Inverted#E2E4D8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#181D28no red cones; affects about 1% of men; ΔE 3.2 from the original

Deuteranopia#181C27no green cones; the most common form, about 1% of men; ΔE 2.8 from the original

Tritanopia#1B1D1Fno blue cones; rare, and affects men and women equally; ΔE 7.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.96:1WCAG large text: AAA

Contrast with black, large text1.24:1WCAG large text: Fail

Named colours

Black · ΔE 13.8 Dark slate grey · ΔE 26.5 Dim grey · ΔE 35.1 Slate grey · ΔE 42.9 Gray · ΔE 44 Dark slateblue · ΔE 45.4

Nearest named CSS colourBlack (#000000)ΔE 13.76, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#25271B

Analogous#1B1F27, #231B27

Triadic#271D1B, #1B271D

Split complementary#27231B, #1F271B

Tetradic#271B1F, #25271B, #1B2723

Tints, shades & saturation

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

Lighter +40%#78719D

Lighter +30%#605A81

Lighter +20%#4A4563

Lighter +10%#333045

Darker −10%#070609

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#18132F

Less saturated −25%#212121

Channel breakdown

R29

G27

B39

Red29 (11.4%)

Green27 (10.6%)

Blue39 (15.3%)

Hue250°

Saturation (HSL)18.18%

Lightness12.94%

Dominant channelBlue

Hex per channelR 1D · G 1B · B 27

Keep nerding

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

#1D1B27

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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