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Recognised as Colour

#3A4F7C

  • #3A4F7C
  • Blue
  • Dark
  • Nearest: Steel blue

#3A4F7C is a blue with RGB values 58, 79, 124 and HSL 221°, 36%, 36%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#3A4F7C#3A4F7C
HEX#3A4F7C
RGBrgb(58, 79, 124)
RGB (0–1)0.2275, 0.3098, 0.4863
RGB percentages22.7%, 31%, 48.6%
HSLhsl(220.9, 36.3%, 35.7%)
HSV / HSBhsv(220.9, 53.2%, 48.6%)
CMYK53.2%, 36.3%, 0%, 51.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,821,436
CSS custom property--colour: #3A4F7C;

Brightness & contrast

Relative luminance0.07947WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.11:1
Contrast with white8.11:1WCAG normal text: AAA
Contrast with black2.59:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#C5B083

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E537Eno red cones; affects about 1% of men; ΔE 2.2 from the original
Deuteranopia#364D7Bno green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#1B595Fno blue cones; rare, and affects men and women equally; ΔE 29.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.11:1WCAG large text: AAA
Contrast with black, large text2.59:1WCAG large text: Fail

Named colours

Steel blue · ΔE 21.5Dark slateblue · ΔE 24.9Slate grey · ΔE 27Light slate grey · ΔE 28.9Dark slate grey · ΔE 30.1Dim grey · ΔE 30.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 21.45, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7C673A
Analogous#3A707C, #463A7C
Triadic#7C3A4F, #4F7C3A
Split complementary#7C463A, #707C3A
Tetradic#7C3A70, #7C673A, #3A7C46

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ABB9D7
Lighter +30%#889CC7
Lighter +20%#657FB7
Lighter +10%#4A659F
Darker −10%#2A3959
Darker −20%#192337
Darker −30%#090D14
Darker −40%#000000
More saturated +25%#234793
Less saturated −25%#515765

Channel breakdown

R58
G79
B124
Red58 (22.7%)
Green79 (31%)
Blue124 (48.6%)
Hue220.91°
Saturation (HSL)36.26%
Lightness35.69%
Dominant channelBlue
Hex per channelR 3A · G 4F · B 7C

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Every value on this page was computed from “3a4f7c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.