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Colour

#004D5B

  • #004D5B
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#004D5B is a cyan with RGB values 0, 77, 91 and HSL 189°, 100%, 18%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#004D5B#004D5B
HEX#004D5B
RGBrgb(0, 77, 91)
RGB (0–1)0, 0.302, 0.3569
RGB percentages0%, 30.2%, 35.7%
HSLhsl(189.2, 100%, 17.8%)
HSV / HSBhsv(189.2, 100%, 35.7%)
CMYK100%, 15.4%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer19,803
CSS custom property--colour: #004D5B;

Brightness & contrast

Relative luminance0.06063WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.49:1
Contrast with white9.49:1WCAG normal text: AAA
Contrast with black2.21:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#FFB2A4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#434A5Cno red cones; affects about 1% of men; ΔE 17.1 from the original
Deuteranopia#38425Bno green cones; the most common form, about 1% of men; ΔE 18.1 from the original
Tritanopia#005251no blue cones; rare, and affects men and women equally; ΔE 10.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.49:1WCAG large text: AAA
Contrast with black, large text2.21:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11Teal · ΔE 23.9Dim grey · ΔE 25.4Slate grey · ΔE 26.8Dark cyan · ΔE 28Light slate grey · ΔE 29.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5B0E00
Analogous#005B3C, #001F5B
Triadic#5B004D, #4D5B00
Split complementary#5B001F, #5B3C00
Tetradic#3C005B, #5B0E00, #1F5B00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#28DEFF
Lighter +30%#00CEF4
Lighter +20%#00A3C1
Lighter +10%#00788E
Darker −10%#002228
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004D5B
Less saturated −25%#0B4550

Channel breakdown

R0
G77
B91
Red0 (0%)
Green77 (30.2%)
Blue91 (35.7%)
Hue189.23°
Saturation (HSL)100%
Lightness17.84%
Dominant channelBlue
Hex per channelR 00 · G 4D · B 5B

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Every value on this page was computed from “004d5b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.