Recognised as Colour

#1F1D27

#1F1D27
Blue
Dark
Nearest: Black

#1F1D27 is a blue with RGB values 31, 29, 39 and HSL 252°, 15%, 13%. It is a dark colour, so white text on it reaches 16.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1F1D27#1F1D27

HEX#1F1D27

RGBrgb(31, 29, 39)

RGB (0–1)0.1216, 0.1137, 0.1529

RGB percentages12.2%, 11.4%, 15.3%

HSLhsl(252, 14.7%, 13.3%)

HSV / HSBhsv(252, 25.6%, 15.3%)

CMYK20.5%, 25.6%, 0%, 84.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,039,079

CSS custom property--colour: #1F1D27;

Brightness & contrast

Relative luminance0.01317WCAG 2.x, 0 is black and 1 is white

Perceived brightness30.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.62:1

Contrast with white16.62:1WCAG normal text: AAA

Contrast with black1.26:1WCAG normal text: Fail

Greyscale equivalent#1E1E1E

Inverted#E0E2D8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1B1E27no red cones; affects about 1% of men; ΔE 2.4 from the original

Deuteranopia#1B1E27no green cones; the most common form, about 1% of men; ΔE 2.4 from the original

Tritanopia#1E1F20no blue cones; rare, and affects men and women equally; ΔE 6.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.62:1WCAG large text: AAA

Contrast with black, large text1.26:1WCAG large text: Fail

Named colours

Black · ΔE 13.6 Dark slate grey · ΔE 25.3 Dim grey · ΔE 33.8 Slate grey · ΔE 42.1 Gray · ΔE 42.8 Light slate grey · ΔE 45.2

Nearest named CSS colourBlack (#000000)ΔE 13.57, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#25271D

Analogous#1D2027, #241D27

Triadic#271F1D, #1D271F

Split complementary#27241D, #20271D

Tetradic#271D20, #25271D, #1D2724

Tints, shades & saturation

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

Lighter +40%#7E769A

Lighter +30%#655E7F

Lighter +20%#4E4962

Lighter +10%#363344

Darker −10%#08070A

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1A1430

Less saturated −25%#222222

Channel breakdown

R31

G29

B39

Red31 (12.2%)

Green29 (11.4%)

Blue39 (15.3%)

Hue252°

Saturation (HSL)14.71%

Lightness13.33%

Dominant channelBlue

Hex per channelR 1F · G 1D · B 27

Keep nerding

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

#1F1D27

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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