Recognised as Colour

#1A1839

#1A1839
Blue
Dark
Nearest: Black

#1A1839 is a blue with RGB values 26, 24, 57 and HSL 244°, 41%, 16%. 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

#1A1839#1A1839

HEX#1A1839

RGBrgb(26, 24, 57)

RGB (0–1)0.102, 0.0941, 0.2235

RGB percentages10.2%, 9.4%, 22.4%

HSLhsl(243.6, 40.7%, 15.9%)

HSV / HSBhsv(243.6, 57.9%, 22.4%)

CMYK54.4%, 57.9%, 0%, 77.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,710,137

CSS custom property--colour: #1A1839;

Brightness & contrast

Relative luminance0.01168WCAG 2.x, 0 is black and 1 is white

Perceived brightness30.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.02:1

Contrast with white17.02:1WCAG normal text: AAA

Contrast with black1.23:1WCAG normal text: Fail

Greyscale equivalent#1B1B1B

Inverted#E5E7C6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#091D3Ano red cones; affects about 1% of men; ΔE 7.5 from the original

Deuteranopia#081B38no green cones; the most common form, about 1% of men; ΔE 7 from the original

Tritanopia#0F1F25no blue cones; rare, and affects men and women equally; ΔE 22.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.02:1WCAG large text: AAA

Contrast with black, large text1.23:1WCAG large text: Fail

Named colours

Black · ΔE 26.3 Dark slateblue · ΔE 32.6 Midnight blue · ΔE 35.2 Dark slate grey · ΔE 36 Dim grey · ΔE 41.8 Slate grey · ΔE 46

Nearest named CSS colourBlack (#000000)ΔE 26.33, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#373918

Analogous#182739, #2B1839

Triadic#391A18, #18391A

Split complementary#392A18, #273918

Tetradic#391827, #373918, #18392B

Tints, shades & saturation

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

Lighter +40%#6661BC

Lighter +30%#4B45A5

Lighter +20%#3B3681

Lighter +10%#2A275D

Darker −10%#0A0915

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#110E43

Less saturated −25%#23222F

Channel breakdown

R26

G24

B57

Red26 (10.2%)

Green24 (9.4%)

Blue57 (22.4%)

Hue243.64°

Saturation (HSL)40.74%

Lightness15.88%

Dominant channelBlue

Hex per channelR 1A · G 18 · B 39

Keep nerding

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

#1A1839

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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