Recognised as Colour

#11583B

#11583B
Cyan
Dark
Nearest: Dark slate grey

#11583B is a cyan with RGB values 17, 88, 59 and HSL 155°, 68%, 21%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#11583B#11583B

HEX#11583B

RGBrgb(17, 88, 59)

RGB (0–1)0.0667, 0.3451, 0.2314

RGB percentages6.7%, 34.5%, 23.1%

HSLhsl(155.5, 67.6%, 20.6%)

HSV / HSBhsv(155.5, 80.7%, 34.5%)

CMYK80.7%, 0%, 33%, 65.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,136,699

CSS custom property--colour: #11583B;

Brightness & contrast

Relative luminance0.07414WCAG 2.x, 0 is black and 1 is white

Perceived brightness70.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.46:1

Contrast with white8.46:1WCAG normal text: AAA

Contrast with black2.48:1WCAG normal text: Fail

Greyscale equivalent#474747

Inverted#EEA7C4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#575139no red cones; affects about 1% of men; ΔE 27.6 from the original

Deuteranopia#4E4A3Dno green cones; the most common form, about 1% of men; ΔE 28.3 from the original

Tritanopia#005850no blue cones; rare, and affects men and women equally; ΔE 13.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text8.46:1WCAG large text: AAA

Contrast with black, large text2.48:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 22.7 Sea green · ΔE 23.5 Dark olivegreen · ΔE 24.2 Teal · ΔE 24.8 Dark cyan · ΔE 27.9 Dim grey · ΔE 33.1

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 22.68, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#58112E

Analogous#115817, #115258

Triadic#3B1158, #583B11

Split complementary#581152, #581711

Tetradic#171158, #58112E, #525811

Tints, shades & saturation

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

Lighter +40%#57DEA7

Lighter +30%#2CD691

Lighter +20%#22AD74

Lighter +10%#198358

Darker −10%#092D1E

Darker −20%#000302

Darker −30%#000000

Darker −40%#000000

More saturated +25%#04653D

Less saturated −25%#1E4B39

Channel breakdown

R17

G88

B59

Red17 (6.7%)

Green88 (34.5%)

Blue59 (23.1%)

Hue155.49°

Saturation (HSL)67.62%

Lightness20.59%

Dominant channelGreen

Hex per channelR 11 · G 58 · B 3B

Keep nerding

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

#11583B

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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