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Recognised as Colour

#004855

  • #004855
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#004855 is a cyan with RGB values 0, 72, 85 and HSL 189°, 100%, 17%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#004855#004855
HEX#004855
RGBrgb(0, 72, 85)
RGB (0–1)0, 0.2824, 0.3333
RGB percentages0%, 28.2%, 33.3%
HSLhsl(189.2, 100%, 16.7%)
HSV / HSBhsv(189.2, 100%, 33.3%)
CMYK100%, 15.3%, 0%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer18,517
CSS custom property--colour: #004855;

Brightness & contrast

Relative luminance0.05291WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.2:1
Contrast with white10.2:1WCAG normal text: AAA
Contrast with black2.06:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#FFB7AA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F4556no red cones; affects about 1% of men; ΔE 16.6 from the original
Deuteranopia#353E55no green cones; the most common form, about 1% of men; ΔE 17.3 from the original
Tritanopia#004D4Cno blue cones; rare, and affects men and women equally; ΔE 10.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.2:1WCAG large text: AAA
Contrast with black, large text2.06:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.6Teal · ΔE 25.7Dim grey · ΔE 25.9Slate grey · ΔE 28.2Dark cyan · ΔE 29.8Light slate grey · ΔE 30.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.64, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#550D00
Analogous#005537, #001E55
Triadic#550048, #485500
Split complementary#55001E, #553700
Tetradic#370055, #550D00, #1E5500

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#22DDFF
Lighter +30%#00CAEE
Lighter +20%#009EBB
Lighter +10%#007388
Darker −10%#001D22
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004855
Less saturated −25%#0B414A

Channel breakdown

R0
G72
B85
Red0 (0%)
Green72 (28.2%)
Blue85 (33.3%)
Hue189.18°
Saturation (HSL)100%
Lightness16.67%
Dominant channelBlue
Hex per channelR 00 · G 48 · B 55

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Every value on this page was computed from “hex 004855” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.