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Recognised as Colour

#3881C8

  • #3881C8
  • Blue
  • Dark
  • Nearest: Steel blue

#3881C8 is a blue with RGB values 56, 129, 200 and HSL 210°, 57%, 50%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3881C8#3881C8
HEX#3881C8
RGBrgb(56, 129, 200)
RGB (0–1)0.2196, 0.5059, 0.7843
RGB percentages22%, 50.6%, 78.4%
HSLhsl(209.6, 56.7%, 50.2%)
HSV / HSBhsv(209.6, 72%, 78.4%)
CMYK72%, 35.5%, 0%, 21.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,703,240
CSS custom property--colour: #3881C8;

Brightness & contrast

Relative luminance0.20711WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.14:1
Contrast with white4.08:1WCAG normal text: Fail
Contrast with black5.14:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#C77E37

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6185CBno red cones; affects about 1% of men; ΔE 7.7 from the original
Deuteranopia#4C77C7no green cones; the most common form, about 1% of men; ΔE 9.7 from the original
Tritanopia#00929Bno blue cones; rare, and affects men and women equally; ΔE 42 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.08:1WCAG large text: AA
Contrast with black, large text5.14:1WCAG large text: AAA

Named colours

Steel blue · ΔE 12.4Cornflower blue · ΔE 13.7Dodgerblue · ΔE 22.9Deep skyblue · ΔE 27.4Light slate grey · ΔE 32.6Slate grey · ΔE 33
Nearest named CSS colourSteel blue (#4682B4)ΔE 12.35, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C87F38
Analogous#38C8C7, #3839C8
Triadic#C83881, #81C838
Split complementary#C83839, #C8C738
Tetradic#C738C8, #C87F38, #39C838

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D8E6F4
Lighter +30%#B0CDE9
Lighter +20%#88B4DE
Lighter +10%#609AD3
Darker −10%#2C67A1
Darker −20%#214E79
Darker −30%#163451
Darker −40%#0B1A29
More saturated +25%#1881E8
Less saturated −25%#5881A8

Channel breakdown

R56
G129
B200
Red56 (22%)
Green129 (50.6%)
Blue200 (78.4%)
Hue209.58°
Saturation (HSL)56.69%
Lightness50.2%
Dominant channelBlue
Hex per channelR 38 · G 81 · B C8

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Every value on this page was computed from “3881c8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.