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Recognised as Colour

#3A3E4F

  • #3A3E4F
  • Blue
  • Dark
  • Nearest: Dark slate grey

#3A3E4F is a blue with RGB values 58, 62, 79 and HSL 229°, 15%, 27%. It is a dark colour, so white text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3A3E4F#3A3E4F
HEX#3A3E4F
RGBrgb(58, 62, 79)
RGB (0–1)0.2275, 0.2431, 0.3098
RGB percentages22.7%, 24.3%, 31%
HSLhsl(228.6, 15.3%, 26.9%)
HSV / HSBhsv(228.6, 26.6%, 31%)
CMYK26.6%, 21.5%, 0%, 69%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,817,039
CSS custom property--colour: #3A3E4F;

Brightness & contrast

Relative luminance0.04909WCAG 2.x, 0 is black and 1 is white
Perceived brightness63 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.6:1
Contrast with white10.6:1WCAG normal text: AAA
Contrast with black1.98:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#C5C1B0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#393F50no red cones; affects about 1% of men; ΔE 0.8 from the original
Deuteranopia#383E4Fno green cones; the most common form, about 1% of men; ΔE 0.8 from the original
Tritanopia#354144no blue cones; rare, and affects men and women equally; ΔE 10.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.6:1WCAG large text: AAA
Contrast with black, large text1.98:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.8Dim grey · ΔE 21.1Slate grey · ΔE 26.8Black · ΔE 28.7Gray · ΔE 29.3Light slate grey · ΔE 29.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.81, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4F4B3A
Analogous#3A494F, #403A4F
Triadic#4F3A3E, #3E4F3A
Split complementary#4F403A, #494F3A
Tetradic#4F3A49, #4F4B3A, #3A4F40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9EA2B7
Lighter +30%#8087A2
Lighter +20%#656C8A
Lighter +10%#50556C
Darker −10%#242732
Darker −20%#0F1014
Darker −30%#000000
Darker −40%#000000
More saturated +25%#293360
Less saturated −25%#454545

Channel breakdown

R58
G62
B79
Red58 (22.7%)
Green62 (24.3%)
Blue79 (31%)
Hue228.57°
Saturation (HSL)15.33%
Lightness26.86%
Dominant channelBlue
Hex per channelR 3A · G 3E · B 4F

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Every value on this page was computed from “3a3e4f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.