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Colour

#307A87

  • #307A87
  • Cyan
  • Dark
  • Nearest: Teal

#307A87 is a cyan with RGB values 48, 122, 135 and HSL 189°, 48%, 36%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#307A87#307A87
HEX#307A87
RGBrgb(48, 122, 135)
RGB (0–1)0.1882, 0.4784, 0.5294
RGB percentages18.8%, 47.8%, 52.9%
HSLhsl(189, 47.5%, 35.9%)
HSV / HSBhsv(189, 64.4%, 52.9%)
CMYK64.4%, 9.6%, 0%, 47.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,177,095
CSS custom property--colour: #307A87;

Brightness & contrast

Relative luminance0.16297WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.93:1
Contrast with white4.93:1WCAG normal text: AA
Contrast with black4.26:1WCAG normal text: Fail
Greyscale equivalent#6B6B6B
Inverted#CF8578

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6F7688no red cones; affects about 1% of men; ΔE 20.3 from the original
Deuteranopia#626C87no green cones; the most common form, about 1% of men; ΔE 21.4 from the original
Tritanopia#00807Eno blue cones; rare, and affects men and women equally; ΔE 12.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.93:1WCAG large text: AAA
Contrast with black, large text4.26:1WCAG large text: AA

Named colours

Teal · ΔE 11.7Dark cyan · ΔE 13.9Cadetblue · ΔE 15.3Slate grey · ΔE 17.6Light slate grey · ΔE 18.6Dark slate grey · ΔE 20.2
Nearest named CSS colourTeal (#008080)ΔE 11.71, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#873D30
Analogous#308769, #304F87
Triadic#87307A, #7A8730
Split complementary#87304F, #876930
Tetradic#693087, #873D30, #4F8730

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A4D6DF
Lighter +30%#7FC5D1
Lighter +20%#59B4C4
Lighter +10%#3D9CAD
Darker −10%#235861
Darker −20%#15363C
Darker −30%#081416
Darker −40%#000000
More saturated +25%#198A9E
Less saturated −25%#476A70

Channel breakdown

R48
G122
B135
Red48 (18.8%)
Green122 (47.8%)
Blue135 (52.9%)
Hue188.97°
Saturation (HSL)47.54%
Lightness35.88%
Dominant channelBlue
Hex per channelR 30 · G 7A · B 87

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Every value on this page was computed from “307a87” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.