Recognised as Colour

#1F2135

#1F2135
Blue
Dark
Nearest: Black

#1F2135 is a blue with RGB values 31, 33, 53 and HSL 235°, 26%, 16%. It is a dark colour, so white text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1F2135#1F2135

HEX#1F2135

RGBrgb(31, 33, 53)

RGB (0–1)0.1216, 0.1294, 0.2078

RGB percentages12.2%, 12.9%, 20.8%

HSLhsl(234.5, 26.2%, 16.5%)

HSV / HSBhsv(234.5, 41.5%, 20.8%)

CMYK41.5%, 37.7%, 0%, 79.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,040,117

CSS custom property--colour: #1F2135;

Brightness & contrast

Relative luminance0.01636WCAG 2.x, 0 is black and 1 is white

Perceived brightness35.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.82:1

Contrast with white15.82:1WCAG normal text: AAA

Contrast with black1.33:1WCAG normal text: Fail

Greyscale equivalent#222222

Inverted#E0DECA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1B2336no red cones; affects about 1% of men; ΔE 2.5 from the original

Deuteranopia#192235no green cones; the most common form, about 1% of men; ΔE 2.8 from the original

Tritanopia#192528no blue cones; rare, and affects men and women equally; ΔE 13.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.82:1WCAG large text: AAA

Contrast with black, large text1.33:1WCAG large text: Fail

Named colours

Black · ΔE 19.6 Dark slate grey · ΔE 26.3 Dim grey · ΔE 34.1 Dark slateblue · ΔE 39.6 Slate grey · ΔE 40.2 Gray · ΔE 42.6

Nearest named CSS colourBlack (#000000)ΔE 19.64, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#35331F

Analogous#1F2C35, #281F35

Triadic#351F21, #21351F

Split complementary#35281F, #2C351F

Tetradic#351F2C, #35331F, #1F3528

Tints, shades & saturation

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

Lighter +40%#7378AD

Lighter +30%#575D96

Lighter +20%#454975

Lighter +10%#323555

Darker −10%#0C0D15

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#14183F

Less saturated −25%#292A2A

Channel breakdown

R31

G33

B53

Red31 (12.2%)

Green33 (12.9%)

Blue53 (20.8%)

Hue234.55°

Saturation (HSL)26.19%

Lightness16.47%

Dominant channelBlue

Hex per channelR 1F · G 21 · B 35

Keep nerding

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

#1F2135

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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