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Recognised as Colour

#304F4D

  • #304F4D
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#304F4D is a cyan with RGB values 48, 79, 77 and HSL 176°, 24%, 25%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#304F4D#304F4D
HEX#304F4D
RGBrgb(48, 79, 77)
RGB (0–1)0.1882, 0.3098, 0.302
RGB percentages18.8%, 31%, 30.2%
HSLhsl(176.1, 24.4%, 24.9%)
HSV / HSBhsv(176.1, 39.2%, 31%)
CMYK39.2%, 0%, 2.5%, 69%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,166,029
CSS custom property--colour: #304F4D;

Brightness & contrast

Relative luminance0.06756WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.93:1
Contrast with white8.93:1WCAG normal text: AAA
Contrast with black2.35:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#CFB0B2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4C4C4Dno red cones; affects about 1% of men; ΔE 12.4 from the original
Deuteranopia#46484Dno green cones; the most common form, about 1% of men; ΔE 12.3 from the original
Tritanopia#24514Eno blue cones; rare, and affects men and women equally; ΔE 4.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.93:1WCAG large text: AAA
Contrast with black, large text2.35:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 1.3Dim grey · ΔE 18Teal · ΔE 24.7Slate grey · ΔE 25.1Gray · ΔE 25.5Light slate grey · ΔE 27.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 1.29, below the just-noticeable difference
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4F3032
Analogous#304F3E, #30424F
Triadic#4D304F, #4F4D30
Split complementary#4F3042, #4F3D30
Tetradic#3E304F, #4F3032, #424F30

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#90BBB9
Lighter +30%#70A8A4
Lighter +20%#578E8B
Lighter +10%#436F6C
Darker −10%#1D2F2E
Darker −20%#09100F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#205F5B
Less saturated −25%#404040

Channel breakdown

R48
G79
B77
Red48 (18.8%)
Green79 (31%)
Blue77 (30.2%)
Hue176.13°
Saturation (HSL)24.41%
Lightness24.9%
Dominant channelGreen
Hex per channelR 30 · G 4F · B 4D

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Every value on this page was computed from “304f4d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.