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Recognised as Colour

#004050

  • #004050
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#004050 is a cyan with RGB values 0, 64, 80 and HSL 192°, 100%, 16%. It is a dark colour, so white text on it reaches 11.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#004050#004050
HEX#004050
RGBrgb(0, 64, 80)
RGB (0–1)0, 0.251, 0.3137
RGB percentages0%, 25.1%, 31.4%
HSLhsl(192, 100%, 15.7%)
HSV / HSBhsv(192, 100%, 31.4%)
CMYK100%, 20%, 0%, 68.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,464
CSS custom property--colour: #004050;

Brightness & contrast

Relative luminance0.04246WCAG 2.x, 0 is black and 1 is white
Perceived brightness56 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.36:1
Contrast with white11.36:1WCAG normal text: AAA
Contrast with black1.85:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#FFBFAF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#363E51no red cones; affects about 1% of men; ΔE 13.8 from the original
Deuteranopia#2D3750no green cones; the most common form, about 1% of men; ΔE 15.1 from the original
Tritanopia#004545no blue cones; rare, and affects men and women equally; ΔE 11.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.36:1WCAG large text: AAA
Contrast with black, large text1.85:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 13Dim grey · ΔE 27.4Teal · ΔE 30Slate grey · ΔE 30.2Black · ΔE 30.9Light slate grey · ΔE 33
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 13, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#501000
Analogous#005038, #001850
Triadic#500040, #405000
Split complementary#500018, #503800
Tetradic#380050, #501000, #185000

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1DD2FF
Lighter +30%#00BAE9
Lighter +20%#0092B6
Lighter +10%#006983
Darker −10%#00171D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004050
Less saturated −25%#0A3A46

Channel breakdown

R0
G64
B80
Red0 (0%)
Green64 (25.1%)
Blue80 (31.4%)
Hue192°
Saturation (HSL)100%
Lightness15.69%
Dominant channelBlue
Hex per channelR 00 · G 40 · B 50

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Every value on this page was computed from “hex 004050” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.