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Recognised as Colour

#374B96

  • #374B96
  • Blue
  • Dark
  • Nearest: Dark slateblue

#374B96 is a blue with RGB values 55, 75, 150 and HSL 227°, 46%, 40%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#374B96#374B96
HEX#374B96
RGBrgb(55, 75, 150)
RGB (0–1)0.2157, 0.2941, 0.5882
RGB percentages21.6%, 29.4%, 58.8%
HSLhsl(227.4, 46.3%, 40.2%)
HSV / HSBhsv(227.4, 63.3%, 58.8%)
CMYK63.3%, 50%, 0%, 41.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,623,830
CSS custom property--colour: #374B96;

Brightness & contrast

Relative luminance0.08046WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.05:1
Contrast with white8.05:1WCAG normal text: AAA
Contrast with black2.61:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#C8B469

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#245599no red cones; affects about 1% of men; ΔE 9 from the original
Deuteranopia#104C94no green cones; the most common form, about 1% of men; ΔE 6.8 from the original
Tritanopia#005C69no blue cones; rare, and affects men and women equally; ΔE 45.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.05:1WCAG large text: AAA
Contrast with black, large text2.61:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 9.8Midnight blue · ΔE 24.2Rebecca purple · ΔE 26.2Slate blue · ΔE 26.3Royal blue · ΔE 27.3Cornflower blue · ΔE 29.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 9.78, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#968237
Analogous#377B96, #523796
Triadic#96374B, #4B9637
Split complementary#965237, #7B9637
Tetradic#96377B, #968237, #379652

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B5BFE4
Lighter +30%#909FD6
Lighter +20%#6A7EC9
Lighter +10%#455EBB
Darker −10%#293871
Darker −20%#1C264B
Darker −30%#0E1326
Darker −40%#000001
More saturated +25%#1D3CB0
Less saturated −25%#515A7C

Channel breakdown

R55
G75
B150
Red55 (21.6%)
Green75 (29.4%)
Blue150 (58.8%)
Hue227.37°
Saturation (HSL)46.34%
Lightness40.2%
Dominant channelBlue
Hex per channelR 37 · G 4B · B 96

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Every value on this page was computed from “374b96” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.