Recognised as Colour

#180F36

#180F36
Blue
Dark
Nearest: Black

#180F36 is a blue with RGB values 24, 15, 54 and HSL 254°, 57%, 14%. It is a dark colour, so white text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#180F36#180F36

HEX#180F36

RGBrgb(24, 15, 54)

RGB (0–1)0.0941, 0.0588, 0.2118

RGB percentages9.4%, 5.9%, 21.2%

HSLhsl(253.8, 56.5%, 13.5%)

HSV / HSBhsv(253.8, 72.2%, 21.2%)

CMYK55.6%, 72.2%, 0%, 78.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,576,758

CSS custom property--colour: #180F36;

Brightness & contrast

Relative luminance0.00802WCAG 2.x, 0 is black and 1 is white

Perceived brightness25.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.1:1

Contrast with white18.1:1WCAG normal text: AAA

Contrast with black1.16:1WCAG normal text: Fail

Greyscale equivalent#141414

Inverted#E7F0C9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001737no red cones; affects about 1% of men; ΔE 10.8 from the original

Deuteranopia#001535no green cones; the most common form, about 1% of men; ΔE 10.3 from the original

Tritanopia#0E1820no blue cones; rare, and affects men and women equally; ΔE 25 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.1:1WCAG large text: AAA

Contrast with black, large text1.16:1WCAG large text: Fail

Named colours

Black · ΔE 30.1 Midnight blue · ΔE 30.9 Dark slateblue · ΔE 31.2 Dark slate grey · ΔE 42.3 Rebecca purple · ΔE 43.4 Dim grey · ΔE 47.3

Nearest named CSS colourBlack (#000000)ΔE 30.09, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2D360F

Analogous#0F1A36, #2B0F36

Triadic#36180F, #0F3618

Split complementary#362B0F, #1A360F

Tetradic#360F1A, #2D360F, #0F362B

Tints, shades & saturation

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

Lighter +40%#6446CB

Lighter +30%#4D30AE

Lighter +20%#3B2586

Lighter +10%#2A1A5E

Darker −10%#06040E

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#13063F

Less saturated −25%#1D182D

Channel breakdown

R24

G15

B54

Red24 (9.4%)

Green15 (5.9%)

Blue54 (21.2%)

Hue253.85°

Saturation (HSL)56.52%

Lightness13.53%

Dominant channelBlue

Hex per channelR 18 · G 0F · B 36

Keep nerding

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

#180F36

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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