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Recognised as Colour

#2D5663

  • #2D5663
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#2D5663 is a cyan with RGB values 45, 86, 99 and HSL 194°, 38%, 28%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2D5663#2D5663
HEX#2D5663
RGBrgb(45, 86, 99)
RGB (0–1)0.1765, 0.3373, 0.3882
RGB percentages17.6%, 33.7%, 38.8%
HSLhsl(194.4, 37.5%, 28.2%)
HSV / HSBhsv(194.4, 54.5%, 38.8%)
CMYK54.5%, 13.1%, 0%, 61.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,971,235
CSS custom property--colour: #2D5663;

Brightness & contrast

Relative luminance0.08114WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.01:1
Contrast with white8.01:1WCAG normal text: AAA
Contrast with black2.62:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#D2A99C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4E5464no red cones; affects about 1% of men; ΔE 12.1 from the original
Deuteranopia#464E63no green cones; the most common form, about 1% of men; ΔE 12.6 from the original
Tritanopia#0B5A5Ano blue cones; rare, and affects men and women equally; ΔE 12.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.01:1WCAG large text: AAA
Contrast with black, large text2.62:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.8Dim grey · ΔE 18.8Slate grey · ΔE 20.4Light slate grey · ΔE 23.2Teal · ΔE 23.5Gray · ΔE 25
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.85, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#633A2D
Analogous#2D6355, #2D3B63
Triadic#632D56, #56632D
Split complementary#632D3B, #63552D
Tetradic#552D63, #633A2D, #3B632D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#90BECC
Lighter +30%#6DA9BC
Lighter +20%#4D93A9
Lighter +10%#3D7486
Darker −10%#1D3840
Darker −20%#0D191D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1B5F75
Less saturated −25%#3F4D51

Channel breakdown

R45
G86
B99
Red45 (17.6%)
Green86 (33.7%)
Blue99 (38.8%)
Hue194.44°
Saturation (HSL)37.5%
Lightness28.24%
Dominant channelBlue
Hex per channelR 2D · G 56 · B 63

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Every value on this page was computed from “2d5663” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.