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Recognised as Colour

#3FAAAB

  • #3FAAAB
  • Cyan
  • Dark
  • Nearest: Light seagreen

#3FAAAB is a cyan with RGB values 63, 170, 171 and HSL 181°, 46%, 46%. It is a dark colour, so black text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#3FAAAB#3FAAAB
HEX#3FAAAB
RGBrgb(63, 170, 171)
RGB (0–1)0.2471, 0.6667, 0.6706
RGB percentages24.7%, 66.7%, 67.1%
HSLhsl(180.6, 46.2%, 45.9%)
HSV / HSBhsv(180.6, 63.2%, 67.1%)
CMYK63.2%, 0.6%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,172,459
CSS custom property--colour: #3FAAAB;

Brightness & contrast

Relative luminance0.32746WCAG 2.x, 0 is black and 1 is white
Perceived brightness146.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.55:1
Contrast with white2.78:1WCAG normal text: Fail
Contrast with black7.55:1WCAG normal text: AAA
Greyscale equivalent#939393
Inverted#C05554

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9FA2ABno red cones; affects about 1% of men; ΔE 30.8 from the original
Deuteranopia#8E96ACno green cones; the most common form, about 1% of men; ΔE 31.6 from the original
Tritanopia#00AFAAno blue cones; rare, and affects men and women equally; ΔE 8.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.78:1WCAG large text: Fail
Contrast with black, large text7.55:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 8.7Cadetblue · ΔE 10.5Dark cyan · ΔE 11.8Medium turquoise · ΔE 15.1Teal · ΔE 15.8Dark turquoise · ΔE 15.9
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 8.74, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AB403F
Analogous#3FAB76, #3F74AB
Triadic#AB3FAA, #AAAB3F
Split complementary#AB3F74, #AB763F
Tetradic#763FAB, #AB403F, #74AB3F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CAEBEC
Lighter +30%#A5DDDE
Lighter +20%#80CFD0
Lighter +10%#5BC1C2
Darker −10%#318586
Darker −20%#246060
Darker −30%#163B3B
Darker −40%#081616
More saturated +25%#22C7C8
Less saturated −25%#5C8D8E

Channel breakdown

R63
G170
B171
Red63 (24.7%)
Green170 (66.7%)
Blue171 (67.1%)
Hue180.56°
Saturation (HSL)46.15%
Lightness45.88%
Dominant channelBlue
Hex per channelR 3F · G AA · B AB

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Every value on this page was computed from “3faaab” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.