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Recognised as Colour

#135B68

  • #135B68
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#135B68 is a cyan with RGB values 19, 91, 104 and HSL 189°, 69%, 24%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#135B68#135B68
HEX#135B68
RGBrgb(19, 91, 104)
RGB (0–1)0.0745, 0.3569, 0.4078
RGB percentages7.5%, 35.7%, 40.8%
HSLhsl(189.2, 69.1%, 24.1%)
HSV / HSBhsv(189.2, 81.7%, 40.8%)
CMYK81.7%, 12.5%, 0%, 59.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,268,584
CSS custom property--colour: #135B68;

Brightness & contrast

Relative luminance0.0862WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.71:1
Contrast with white7.71:1WCAG normal text: AAA
Contrast with black2.72:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#ECA497

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#515869no red cones; affects about 1% of men; ΔE 18.1 from the original
Deuteranopia#464F68no green cones; the most common form, about 1% of men; ΔE 19.5 from the original
Tritanopia#00605Fno blue cones; rare, and affects men and women equally; ΔE 10.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.71:1WCAG large text: AAA
Contrast with black, large text2.72:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.6Teal · ΔE 18.8Dark cyan · ΔE 22.7Slate grey · ΔE 22.8Dim grey · ΔE 23.1Light slate grey · ΔE 25.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.59, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#682013
Analogous#13684A, #133168
Triadic#68135B, #5B6813
Split complementary#681331, #684A13
Tetradic#4A1368, #682013, #316813

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#64CFE3
Lighter +30%#39C2DB
Lighter +20%#23A6BE
Lighter +10%#1B8193
Darker −10%#0B353D
Darker −20%#031012
Darker −30%#000000
Darker −40%#000000
More saturated +25%#046677
Less saturated −25%#225059

Channel breakdown

R19
G91
B104
Red19 (7.5%)
Green91 (35.7%)
Blue104 (40.8%)
Hue189.18°
Saturation (HSL)69.11%
Lightness24.12%
Dominant channelBlue
Hex per channelR 13 · G 5B · B 68

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Every value on this page was computed from “135b68” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.