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Colour

#374F7C

  • #374F7C
  • Blue
  • Dark
  • Nearest: Steel blue

#374F7C is a blue with RGB values 55, 79, 124 and HSL 219°, 39%, 35%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#374F7C#374F7C
HEX#374F7C
RGBrgb(55, 79, 124)
RGB (0–1)0.2157, 0.3098, 0.4863
RGB percentages21.6%, 31%, 48.6%
HSLhsl(219.1, 38.5%, 35.1%)
HSV / HSBhsv(219.1, 55.6%, 48.6%)
CMYK55.6%, 36.3%, 0%, 51.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,624,828
CSS custom property--colour: #374F7C;

Brightness & contrast

Relative luminance0.07859WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.17:1
Contrast with white8.17:1WCAG normal text: AAA
Contrast with black2.57:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#C8B083

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D537Eno red cones; affects about 1% of men; ΔE 2.2 from the original
Deuteranopia#354C7Bno green cones; the most common form, about 1% of men; ΔE 1.9 from the original
Tritanopia#12595Fno blue cones; rare, and affects men and women equally; ΔE 30.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.17:1WCAG large text: AAA
Contrast with black, large text2.57:1WCAG large text: Fail

Named colours

Steel blue · ΔE 21.2Dark slateblue · ΔE 25.3Slate grey · ΔE 27.1Light slate grey · ΔE 29Dark slate grey · ΔE 29.9Dim grey · ΔE 30.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 21.23, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7C6437
Analogous#37717C, #42377C
Triadic#7C374F, #4F7C37
Split complementary#7C4237, #717C37
Tetradic#7C3771, #7C6437, #377C42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A7B8D8
Lighter +30%#849CC8
Lighter +20%#607FB9
Lighter +10%#47669F
Darker −10%#273859
Darker −20%#182235
Darker −30%#080B12
Darker −40%#000000
More saturated +25%#214892
Less saturated −25%#4D5666

Channel breakdown

R55
G79
B124
Red55 (21.6%)
Green79 (31%)
Blue124 (48.6%)
Hue219.13°
Saturation (HSL)38.55%
Lightness35.1%
Dominant channelBlue
Hex per channelR 37 · G 4F · B 7C

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Every value on this page was computed from “374f7c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.