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Recognised as Colour

#3BB5BD

  • #3BB5BD
  • Cyan
  • Dark
  • Nearest: Light seagreen

#3BB5BD is a cyan with RGB values 59, 181, 189 and HSL 184°, 52%, 49%. It is a dark colour, so black text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#3BB5BD#3BB5BD
HEX#3BB5BD
RGBrgb(59, 181, 189)
RGB (0–1)0.2314, 0.7098, 0.7412
RGB percentages23.1%, 71%, 74.1%
HSLhsl(183.7, 52.4%, 48.6%)
HSV / HSBhsv(183.7, 68.8%, 74.1%)
CMYK68.8%, 4.2%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,913,149
CSS custom property--colour: #3BB5BD;

Brightness & contrast

Relative luminance0.37652WCAG 2.x, 0 is black and 1 is white
Perceived brightness156 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.53:1
Contrast with white2.46:1WCAG normal text: Fail
Contrast with black8.53:1WCAG normal text: AAA
Greyscale equivalent#9C9C9C
Inverted#C44A42

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A7ADBEno red cones; affects about 1% of men; ΔE 32.1 from the original
Deuteranopia#949FBEno green cones; the most common form, about 1% of men; ΔE 33.4 from the original
Tritanopia#00BCB7no blue cones; rare, and affects men and women equally; ΔE 10.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.46:1WCAG large text: Fail
Contrast with black, large text8.53:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 10.6Dark turquoise · ΔE 12.3Medium turquoise · ΔE 12.8Cadetblue · ΔE 14.1Dark cyan · ΔE 16.3Teal · ΔE 20.3
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 10.6, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BD433B
Analogous#3BBD84, #3B74BD
Triadic#BD3BB5, #B5BD3B
Split complementary#BD3B74, #BD843B
Tetradic#843BBD, #BD433B, #74BD3B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3EFF1
Lighter +30%#ACE2E5
Lighter +20%#85D4D9
Lighter +10%#5EC6CD
Darker −10%#2F9096
Darker −20%#236B6F
Darker −30%#174548
Darker −40%#0A2022
More saturated +25%#1CD0DC
Less saturated −25%#5A9A9E

Channel breakdown

R59
G181
B189
Red59 (23.1%)
Green181 (71%)
Blue189 (74.1%)
Hue183.69°
Saturation (HSL)52.42%
Lightness48.63%
Dominant channelBlue
Hex per channelR 3B · G B5 · B BD

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Every value on this page was computed from “3bb5bd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.