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Recognised as Colour

#306A79

  • #306A79
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#306A79 is a cyan with RGB values 48, 106, 121 and HSL 192°, 43%, 33%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.

Colour values

#306A79#306A79
HEX#306A79
RGBrgb(48, 106, 121)
RGB (0–1)0.1882, 0.4157, 0.4745
RGB percentages18.8%, 41.6%, 47.5%
HSLhsl(192.3, 43.2%, 33.1%)
HSV / HSBhsv(192.3, 60.3%, 47.5%)
CMYK60.3%, 12.4%, 0%, 52.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,172,985
CSS custom property--colour: #306A79;

Brightness & contrast

Relative luminance0.12317WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.06:1
Contrast with white6.06:1WCAG normal text: AA
Contrast with black3.46:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#CF9586

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#60677Ano red cones; affects about 1% of men; ΔE 16.2 from the original
Deuteranopia#555F79no green cones; the most common form, about 1% of men; ΔE 16.9 from the original
Tritanopia#006F6Fno blue cones; rare, and affects men and women equally; ΔE 13.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.06:1WCAG large text: AAA
Contrast with black, large text3.46:1WCAG large text: AA

Named colours

Dark slate grey · ΔE 14.9Slate grey · ΔE 16.7Teal · ΔE 17.1Light slate grey · ΔE 18.8Dim grey · ΔE 20.1Dark cyan · ΔE 20.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.91, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#793F30
Analogous#307963, #304679
Triadic#79306A, #6A7930
Split complementary#793046, #796330
Tetradic#633079, #793F30, #467930

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9DCCD8
Lighter +30%#78B9CA
Lighter +20%#54A6BB
Lighter +10%#3E8A9E
Darker −10%#224A54
Darker −20%#132A30
Darker −30%#050A0B
Darker −40%#000000
More saturated +25%#1B768E
Less saturated −25%#455E64

Channel breakdown

R48
G106
B121
Red48 (18.8%)
Green106 (41.6%)
Blue121 (47.5%)
Hue192.33°
Saturation (HSL)43.2%
Lightness33.14%
Dominant channelBlue
Hex per channelR 30 · G 6A · B 79

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Every value on this page was computed from “306a79” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.