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Recognised as Colour

#394A57

  • #394A57
  • Blue
  • Dark
  • Nearest: Dark slate grey

#394A57 is a blue with RGB values 57, 74, 87 and HSL 206°, 21%, 28%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#394A57#394A57
HEX#394A57
RGBrgb(57, 74, 87)
RGB (0–1)0.2235, 0.2902, 0.3412
RGB percentages22.4%, 29%, 34.1%
HSLhsl(206, 20.8%, 28.2%)
HSV / HSBhsv(206, 34.5%, 34.1%)
CMYK34.5%, 14.9%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,754,583
CSS custom property--colour: #394A57;

Brightness & contrast

Relative luminance0.06456WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.17:1
Contrast with white9.17:1WCAG normal text: AAA
Contrast with black2.29:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#C6B5A8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#454A58no red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#414657no green cones; the most common form, about 1% of men; ΔE 5.5 from the original
Tritanopia#304D4Eno blue cones; rare, and affects men and women equally; ΔE 9.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.17:1WCAG large text: AAA
Contrast with black, large text2.29:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.6Dim grey · ΔE 17.3Slate grey · ΔE 22.3Gray · ΔE 25.3Light slate grey · ΔE 25.4Teal · ΔE 31.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.61, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#574639
Analogous#395755, #393B57
Triadic#57394A, #4A5739
Split complementary#57393B, #575539
Tetradic#553957, #574639, #3B5739

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9DB0BF
Lighter +30%#7E97AB
Lighter +20%#617E95
Lighter +10%#4D6476
Darker −10%#253038
Darker −20%#111619
Darker −30%#000000
Darker −40%#000000
More saturated +25%#274C69
Less saturated −25%#484848

Channel breakdown

R57
G74
B87
Red57 (22.4%)
Green74 (29%)
Blue87 (34.1%)
Hue206°
Saturation (HSL)20.83%
Lightness28.24%
Dominant channelBlue
Hex per channelR 39 · G 4A · B 57

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Every value on this page was computed from “394a57” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.