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Recognised as Colour

#004556

  • #004556
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#004556 is a cyan with RGB values 0, 69, 86 and HSL 192°, 100%, 17%. It is a dark colour, so white text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#004556#004556
HEX#004556
RGBrgb(0, 69, 86)
RGB (0–1)0, 0.2706, 0.3373
RGB percentages0%, 27.1%, 33.7%
HSLhsl(191.9, 100%, 16.9%)
HSV / HSBhsv(191.9, 100%, 33.7%)
CMYK100%, 19.8%, 0%, 66.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer17,750
CSS custom property--colour: #004556;

Brightness & contrast

Relative luminance0.04928WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.58:1
Contrast with white10.58:1WCAG normal text: AAA
Contrast with black1.99:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#FFBAA9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B4357no red cones; affects about 1% of men; ΔE 14.7 from the original
Deuteranopia#303B56no green cones; the most common form, about 1% of men; ΔE 15.9 from the original
Tritanopia#004A4Bno blue cones; rare, and affects men and women equally; ΔE 11.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.58:1WCAG large text: AAA
Contrast with black, large text1.99:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.7Dim grey · ΔE 26.7Teal · ΔE 28.2Slate grey · ΔE 28.6Light slate grey · ΔE 31.4Steel blue · ΔE 31.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.74, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#561100
Analogous#00563C, #001A56
Triadic#560045, #455600
Split complementary#56001A, #563C00
Tetradic#3C0056, #561100, #1A5600

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#23D4FF
Lighter +30%#00C0EF
Lighter +20%#0097BC
Lighter +10%#006E89
Darker −10%#001C23
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004556
Less saturated −25%#0B3E4B

Channel breakdown

R0
G69
B86
Red0 (0%)
Green69 (27.1%)
Blue86 (33.7%)
Hue191.86°
Saturation (HSL)100%
Lightness16.86%
Dominant channelBlue
Hex per channelR 00 · G 45 · B 56

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Every value on this page was computed from “hex 004556” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.