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Recognised as Colour

#28819A

  • #28819A
  • Cyan
  • Dark
  • Nearest: Teal

#28819A is a cyan with RGB values 40, 129, 154 and HSL 193°, 59%, 38%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#28819A#28819A
HEX#28819A
RGBrgb(40, 129, 154)
RGB (0–1)0.1569, 0.5059, 0.6039
RGB percentages15.7%, 50.6%, 60.4%
HSLhsl(193.2, 58.8%, 38%)
HSV / HSBhsv(193.2, 74%, 60.4%)
CMYK74%, 16.2%, 0%, 39.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,654,618
CSS custom property--colour: #28819A;

Brightness & contrast

Relative luminance0.18485WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.7:1
Contrast with white4.47:1WCAG normal text: Fail
Contrast with black4.7:1WCAG normal text: AA
Greyscale equivalent#707070
Inverted#D77E65

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#727E9Bno red cones; affects about 1% of men; ΔE 20.3 from the original
Deuteranopia#62729Ano green cones; the most common form, about 1% of men; ΔE 21.8 from the original
Tritanopia#008989no blue cones; rare, and affects men and women equally; ΔE 17.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.47:1WCAG large text: AA
Contrast with black, large text4.7:1WCAG large text: AAA

Named colours

Teal · ΔE 17.1Steel blue · ΔE 17.5Cadetblue · ΔE 17.6Dark cyan · ΔE 18Slate grey · ΔE 18.6Light slate grey · ΔE 18.9
Nearest named CSS colourTeal (#008080)ΔE 17.06, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9A4128
Analogous#289A7A, #28489A
Triadic#9A2881, #819A28
Split complementary#9A2848, #9A7A28
Tetradic#7A289A, #9A4128, #489A28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A6D9E8
Lighter +30%#7EC8DD
Lighter +20%#55B7D3
Lighter +10%#33A3C2
Darker −10%#1D5F72
Darker −20%#133D49
Darker −30%#081B21
Darker −40%#000000
More saturated +25%#108FB2
Less saturated −25%#407382

Channel breakdown

R40
G129
B154
Red40 (15.7%)
Green129 (50.6%)
Blue154 (60.4%)
Hue193.16°
Saturation (HSL)58.76%
Lightness38.04%
Dominant channelBlue
Hex per channelR 28 · G 81 · B 9A

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Every value on this page was computed from “28819a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.