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Recognised as Colour

#375BAC

  • #375BAC
  • Blue
  • Dark
  • Nearest: Dark slateblue

#375BAC is a blue with RGB values 55, 91, 172 and HSL 222°, 52%, 45%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#375BAC#375BAC
HEX#375BAC
RGBrgb(55, 91, 172)
RGB (0–1)0.2157, 0.3569, 0.6745
RGB percentages21.6%, 35.7%, 67.5%
HSLhsl(221.5, 51.5%, 44.5%)
HSV / HSBhsv(221.5, 68%, 67.5%)
CMYK68%, 47.1%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,627,948
CSS custom property--colour: #375BAC;

Brightness & contrast

Relative luminance0.11273WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.45:1
Contrast with white6.45:1WCAG normal text: AA
Contrast with black3.25:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#C8A453

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3264AFno red cones; affects about 1% of men; ΔE 6.5 from the original
Deuteranopia#1A59AAno green cones; the most common form, about 1% of men; ΔE 3.9 from the original
Tritanopia#006E7Bno blue cones; rare, and affects men and women equally; ΔE 48.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.45:1WCAG large text: AAA
Contrast with black, large text3.25:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 15.7Cornflower blue · ΔE 22.6Royal blue · ΔE 22.9Slate blue · ΔE 24.6Dodgerblue · ΔE 25.6Steel blue · ΔE 27
Nearest named CSS colourDark slateblue (#483D8B)ΔE 15.65, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AC8837
Analogous#3795AC, #4E37AC
Triadic#AC375B, #5BAC37
Split complementary#AC4E37, #95AC37
Tetradic#AC3795, #AC8837, #37AC4E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3D0EC
Lighter +30%#9CB1E0
Lighter +20%#7693D3
Lighter +10%#4F74C7
Darker −10%#2B4785
Darker −20%#1E325F
Darker −30%#121E38
Darker −40%#060911
More saturated +25%#1B50C8
Less saturated −25%#536690

Channel breakdown

R55
G91
B172
Red55 (21.6%)
Green91 (35.7%)
Blue172 (67.5%)
Hue221.54°
Saturation (HSL)51.54%
Lightness44.51%
Dominant channelBlue
Hex per channelR 37 · G 5B · B AC

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Every value on this page was computed from “375bac” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.