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Recognised as Colour

#11575F

  • #11575F
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#11575F is a cyan with RGB values 17, 87, 95 and HSL 186°, 70%, 22%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#11575F#11575F
HEX#11575F
RGBrgb(17, 87, 95)
RGB (0–1)0.0667, 0.3412, 0.3725
RGB percentages6.7%, 34.1%, 37.3%
HSLhsl(186.2, 69.6%, 22%)
HSV / HSBhsv(186.2, 82.1%, 37.3%)
CMYK82.1%, 8.4%, 0%, 62.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,136,479
CSS custom property--colour: #11575F;

Brightness & contrast

Relative luminance0.07762WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.23:1
Contrast with white8.23:1WCAG normal text: AAA
Contrast with black2.55:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#EEA8A0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4F5360no red cones; affects about 1% of men; ΔE 19.3 from the original
Deuteranopia#444B5Fno green cones; the most common form, about 1% of men; ΔE 20 from the original
Tritanopia#005B59no blue cones; rare, and affects men and women equally; ΔE 7.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.23:1WCAG large text: AAA
Contrast with black, large text2.55:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.3Teal · ΔE 18.7Dark cyan · ΔE 22.9Dim grey · ΔE 23.2Slate grey · ΔE 24.7Light slate grey · ΔE 27.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.29, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5F1911
Analogous#115F40, #11305F
Triadic#5F1157, #575F11
Split complementary#5F1130, #5F4011
Tetradic#40115F, #5F1911, #305F11

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5AD4E2
Lighter +30%#2FC8DA
Lighter +20%#20A6B6
Lighter +10%#197F8A
Darker −10%#092F34
Darker −20%#020808
Darker −30%#000000
Darker −40%#000000
More saturated +25%#03626D
Less saturated −25%#1F4C51

Channel breakdown

R17
G87
B95
Red17 (6.7%)
Green87 (34.1%)
Blue95 (37.3%)
Hue186.15°
Saturation (HSL)69.64%
Lightness21.96%
Dominant channelBlue
Hex per channelR 11 · G 57 · B 5F

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Every value on this page was computed from “11575f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.