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Recognised as Colour

#339DC1

  • #339DC1
  • Cyan
  • Dark
  • Nearest: Steel blue

#339DC1 is a cyan with RGB values 51, 157, 193 and HSL 195°, 58%, 48%. It is a dark colour, so black text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#339DC1#339DC1
HEX#339DC1
RGBrgb(51, 157, 193)
RGB (0–1)0.2, 0.6157, 0.7569
RGB percentages20%, 61.6%, 75.7%
HSLhsl(195.2, 58.2%, 47.8%)
HSV / HSBhsv(195.2, 73.6%, 75.7%)
CMYK73.6%, 18.7%, 0%, 24.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,382,721
CSS custom property--colour: #339DC1;

Brightness & contrast

Relative luminance0.28668WCAG 2.x, 0 is black and 1 is white
Perceived brightness139.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.73:1
Contrast with white3.12:1WCAG normal text: Fail
Contrast with black6.73:1WCAG normal text: AA
Greyscale equivalent#898989
Inverted#CC623E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#899AC3no red cones; affects about 1% of men; ΔE 22 from the original
Deuteranopia#768CC1no green cones; the most common form, about 1% of men; ΔE 23.7 from the original
Tritanopia#00A8A9no blue cones; rare, and affects men and women equally; ΔE 23.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.12:1WCAG large text: AA
Contrast with black, large text6.73:1WCAG large text: AAA

Named colours

Steel blue · ΔE 16.7Deep skyblue · ΔE 19.5Cadetblue · ΔE 19.8Sky blue · ΔE 19.9Light skyblue · ΔE 20.5Light slate grey · ΔE 22.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 16.75, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C15733
Analogous#33C19E, #3356C1
Triadic#C1339D, #9DC133
Split complementary#C13356, #C19E33
Tetradic#9E33C1, #C15733, #56C133

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CEE9F2
Lighter +30%#A6D7E7
Lighter +20%#7DC5DD
Lighter +10%#55B2D2
Darker −10%#287C99
Darker −20%#1E5B70
Darker −30%#133B48
Darker −40%#081A20
More saturated +25%#14ACDF
Less saturated −25%#518EA3

Channel breakdown

R51
G157
B193
Red51 (20%)
Green157 (61.6%)
Blue193 (75.7%)
Hue195.21°
Saturation (HSL)58.2%
Lightness47.84%
Dominant channelBlue
Hex per channelR 33 · G 9D · B C1

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Every value on this page was computed from “339dc1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.