Recognised as Colour

#3983A4

#3983A4
Cyan
Dark
Nearest: Steel blue

#3983A4 is a cyan with RGB values 57, 131, 164 and HSL 199°, 48%, 43%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3983A4#3983A4

HEX#3983A4

RGBrgb(57, 131, 164)

RGB (0–1)0.2235, 0.5137, 0.6431

RGB percentages22.4%, 51.4%, 64.3%

HSLhsl(198.5, 48.4%, 43.3%)

HSV / HSBhsv(198.5, 65.2%, 64.3%)

CMYK65.2%, 20.1%, 0%, 35.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,769,252

CSS custom property--colour: #3983A4;

Brightness & contrast

Relative luminance0.19783WCAG 2.x, 0 is black and 1 is white

Perceived brightness118.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.96:1

Contrast with white4.24:1WCAG normal text: Fail

Contrast with black4.96:1WCAG normal text: AA

Greyscale equivalent#767676

Inverted#C67C5B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7281A6no red cones; affects about 1% of men; ΔE 16.3 from the original

Deuteranopia#6376A4no green cones; the most common form, about 1% of men; ΔE 17.7 from the original

Tritanopia#008C8Eno blue cones; rare, and affects men and women equally; ΔE 22.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.24:1WCAG large text: AA

Contrast with black, large text4.96:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11.5 Slate grey · ΔE 17.2 Light slate grey · ΔE 17.2 Cadetblue · ΔE 20.8 Teal · ΔE 23.1 Dark cyan · ΔE 23.8

Nearest named CSS colourSteel blue (#4682B4)ΔE 11.46, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#A45A39

Analogous#39A490, #394DA4

Triadic#A43983, #83A439

Split complementary#A4394D, #A49039

Tetradic#9039A4, #A45A39, #4EA439

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#C0DCE9

Lighter +30%#9AC8DC

Lighter +20%#74B3CF

Lighter +10%#4E9EC2

Darker −10%#2C657E

Darker −20%#1F4758

Darker −30%#122832

Darker −40%#040A0D

More saturated +25%#1D8EC0

Less saturated −25%#557888

Channel breakdown

R57

G131

B164

Red57 (22.4%)

Green131 (51.4%)

Blue164 (64.3%)

Hue198.5°

Saturation (HSL)48.42%

Lightness43.33%

Dominant channelBlue

Hex per channelR 39 · G 83 · B A4

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#3983A4

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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