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Recognised as Colour

#394B57

  • #394B57
  • Blue
  • Dark
  • Nearest: Dark slate grey

#394B57 is a blue with RGB values 57, 75, 87 and HSL 204°, 21%, 28%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#394B57#394B57
HEX#394B57
RGBrgb(57, 75, 87)
RGB (0–1)0.2235, 0.2941, 0.3412
RGB percentages22.4%, 29.4%, 34.1%
HSLhsl(204, 20.8%, 28.2%)
HSV / HSBhsv(204, 34.5%, 34.1%)
CMYK34.5%, 13.8%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,754,839
CSS custom property--colour: #394B57;

Brightness & contrast

Relative luminance0.0659WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.06:1
Contrast with white9.06:1WCAG normal text: AAA
Contrast with black2.32:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#C6B4A8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#464B58no red cones; affects about 1% of men; ΔE 5.1 from the original
Deuteranopia#424757no green cones; the most common form, about 1% of men; ΔE 5.8 from the original
Tritanopia#2F4E4Fno blue cones; rare, and affects men and women equally; ΔE 9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.06:1WCAG large text: AAA
Contrast with black, large text2.32:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.8Dim grey · ΔE 16.9Slate grey · ΔE 22.1Gray · ΔE 24.9Light slate grey · ΔE 25.2Teal · ΔE 30.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.8, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#574539
Analogous#395754, #393C57
Triadic#57394B, #4B5739
Split complementary#57393C, #575439
Tetradic#543957, #574539, #3C5739

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9DB1BF
Lighter +30%#7E99AB
Lighter +20%#618095
Lighter +10%#4D6676
Darker −10%#253038
Darker −20%#111619
Darker −30%#000000
Darker −40%#000000
More saturated +25%#274F69
Less saturated −25%#484848

Channel breakdown

R57
G75
B87
Red57 (22.4%)
Green75 (29.4%)
Blue87 (34.1%)
Hue204°
Saturation (HSL)20.83%
Lightness28.24%
Dominant channelBlue
Hex per channelR 39 · G 4B · B 57

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Every value on this page was computed from “394b57” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.