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Recognised as Colour

#307A78

  • #307A78
  • Cyan
  • Dark
  • Nearest: Teal

#307A78 is a cyan with RGB values 48, 122, 120 and HSL 178°, 44%, 33%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#307A78#307A78
HEX#307A78
RGBrgb(48, 122, 120)
RGB (0–1)0.1882, 0.4784, 0.4706
RGB percentages18.8%, 47.8%, 47.1%
HSLhsl(178.4, 43.5%, 33.3%)
HSV / HSBhsv(178.4, 60.7%, 47.8%)
CMYK60.7%, 0%, 1.6%, 52.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,177,080
CSS custom property--colour: #307A78;

Brightness & contrast

Relative luminance0.15904WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.02:1
Contrast with white5.02:1WCAG normal text: AA
Contrast with black4.18:1WCAG normal text: Fail
Greyscale equivalent#6A6A6A
Inverted#CF8587

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#737478no red cones; affects about 1% of men; ΔE 23.9 from the original
Deuteranopia#676B79no green cones; the most common form, about 1% of men; ΔE 24.9 from the original
Tritanopia#007D79no blue cones; rare, and affects men and women equally; ΔE 6.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.02:1WCAG large text: AAA
Contrast with black, large text4.18:1WCAG large text: AA

Named colours

Teal · ΔE 6.5Dark cyan · ΔE 9.8Cadetblue · ΔE 14.8Dark slate grey · ΔE 19.4Slate grey · ΔE 22.3Light slate grey · ΔE 23.4
Nearest named CSS colourTeal (#008080)ΔE 6.5, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7A3032
Analogous#307A53, #30577A
Triadic#78307A, #7A7830
Split complementary#7A3057, #7A5330
Tetradic#53307A, #7A3032, #577A30

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9DD9D7
Lighter +30%#79CAC8
Lighter +20%#54BCB9
Lighter +10%#3E9F9C
Darker −10%#225554
Darker −20%#133130
Darker −30%#050C0C
Darker −40%#000000
More saturated +25%#1B8F8C
Less saturated −25%#456564

Channel breakdown

R48
G122
B120
Red48 (18.8%)
Green122 (47.8%)
Blue120 (47.1%)
Hue178.38°
Saturation (HSL)43.53%
Lightness33.33%
Dominant channelGreen
Hex per channelR 30 · G 7A · B 78

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Every value on this page was computed from “307a78” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.