Recognised as Colour

#1B252A

#1B252A
Blue
Dark
Nearest: Black

#1B252A is a blue with RGB values 27, 37, 42 and HSL 200°, 22%, 14%. It is a dark colour, so white text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1B252A#1B252A

HEX#1B252A

RGBrgb(27, 37, 42)

RGB (0–1)0.1059, 0.1451, 0.1647

RGB percentages10.6%, 14.5%, 16.5%

HSLhsl(200, 21.7%, 13.5%)

HSV / HSBhsv(200, 35.7%, 16.5%)

CMYK35.7%, 11.9%, 0%, 83.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,778,986

CSS custom property--colour: #1B252A;

Brightness & contrast

Relative luminance0.01723WCAG 2.x, 0 is black and 1 is white

Perceived brightness35 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.62:1

Contrast with white15.62:1WCAG normal text: AAA

Contrast with black1.34:1WCAG normal text: Fail

Greyscale equivalent#232323

Inverted#E4DAD5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#22252Ano red cones; affects about 1% of men; ΔE 3.1 from the original

Deuteranopia#20232Ano green cones; the most common form, about 1% of men; ΔE 3.5 from the original

Tritanopia#162627no blue cones; rare, and affects men and women equally; ΔE 4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.62:1WCAG large text: AAA

Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Black · ΔE 15 Dark slate grey · ΔE 19.5 Dim grey · ΔE 31 Slate grey · ΔE 39.3 Gray · ΔE 40 Light slate grey · ΔE 42.4

Nearest named CSS colourBlack (#000000)ΔE 15.02, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2A201B

Analogous#1B2A28, #1B1D2A

Triadic#2A1B25, #252A1B

Split complementary#2A1B1E, #2A271B

Tetradic#271B2A, #2A201B, #1D2A1B

Tints, shades & saturation

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

Lighter +40%#6F91A2

Lighter +30%#577787

Lighter +20%#435C68

Lighter +10%#2F4049

Darker −10%#070A0B

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#122833

Less saturated −25%#232323

Channel breakdown

R27

G37

B42

Red27 (10.6%)

Green37 (14.5%)

Blue42 (16.5%)

Hue200°

Saturation (HSL)21.74%

Lightness13.53%

Dominant channelBlue

Hex per channelR 1B · G 25 · B 2A

Keep nerding

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

#1B252A

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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