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Recognised as Colour

#013F50

  • #013F50
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#013F50 is a cyan with RGB values 1, 63, 80 and HSL 193°, 98%, 16%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#013F50#013F50
HEX#013F50
RGBrgb(1, 63, 80)
RGB (0–1)0.0039, 0.2471, 0.3137
RGB percentages0.4%, 24.7%, 31.4%
HSLhsl(192.9, 97.5%, 15.9%)
HSV / HSBhsv(192.9, 98.8%, 31.4%)
CMYK98.8%, 21.2%, 0%, 68.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer81,744
CSS custom property--colour: #013F50;

Brightness & contrast

Relative luminance0.04141WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.49:1
Contrast with white11.49:1WCAG normal text: AAA
Contrast with black1.83:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#FEC0AF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#353D51no red cones; affects about 1% of men; ΔE 13.4 from the original
Deuteranopia#2B3650no green cones; the most common form, about 1% of men; ΔE 14.4 from the original
Tritanopia#004445no blue cones; rare, and affects men and women equally; ΔE 11.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.49:1WCAG large text: AAA
Contrast with black, large text1.83:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 13.6Dim grey · ΔE 27.7Slate grey · ΔE 30.4Black · ΔE 30.6Teal · ΔE 30.8Light slate grey · ΔE 33.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 13.64, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#501201
Analogous#015039, #011850
Triadic#50013F, #3F5001
Split complementary#500118, #503901
Tetradic#390150, #501201, #185001

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#21CDFC
Lighter +30%#03B6E7
Lighter +20%#028EB5
Lighter +10%#026782
Darker −10%#00171E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004051
Less saturated −25%#0B3946

Channel breakdown

R1
G63
B80
Red1 (0.4%)
Green63 (24.7%)
Blue80 (31.4%)
Hue192.91°
Saturation (HSL)97.53%
Lightness15.88%
Dominant channelBlue
Hex per channelR 01 · G 3F · B 50

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Every value on this page was computed from “013f50” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.