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Recognised as Colour

#372A67

  • #372A67
  • Blue
  • Dark
  • Nearest: Dark slateblue

#372A67 is a blue with RGB values 55, 42, 103 and HSL 253°, 42%, 28%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#372A67#372A67
HEX#372A67
RGBrgb(55, 42, 103)
RGB (0–1)0.2157, 0.1647, 0.4039
RGB percentages21.6%, 16.5%, 40.4%
HSLhsl(252.8, 42.1%, 28.4%)
HSV / HSBhsv(252.8, 59.2%, 40.4%)
CMYK46.6%, 59.2%, 0%, 59.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,615,335
CSS custom property--colour: #372A67;

Brightness & contrast

Relative luminance0.03447WCAG 2.x, 0 is black and 1 is white
Perceived brightness56.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.43:1
Contrast with white12.43:1WCAG normal text: AAA
Contrast with black1.69:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#C8D598

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#083569no red cones; affects about 1% of men; ΔE 15.3 from the original
Deuteranopia#0A3366no green cones; the most common form, about 1% of men; ΔE 15 from the original
Tritanopia#293744no blue cones; rare, and affects men and women equally; ΔE 34.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.43:1WCAG large text: AAA
Contrast with black, large text1.69:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.6Midnight blue · ΔE 18.9Rebecca purple · ΔE 26.5Indigo · ΔE 34.8Slate blue · ΔE 36Purple · ΔE 37.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.6, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5A672A
Analogous#2A3B67, #562A67
Triadic#67372A, #2A6737
Split complementary#67562A, #3B672A
Tetradic#672A3C, #5A672A, #2A6756

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9B8DD0
Lighter +30%#7B68C2
Lighter +20%#5E48AF
Lighter +10%#4A398B
Darker −10%#241B43
Darker −20%#100C1F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2D1879
Less saturated −25%#413C55

Channel breakdown

R55
G42
B103
Red55 (21.6%)
Green42 (16.5%)
Blue103 (40.4%)
Hue252.79°
Saturation (HSL)42.07%
Lightness28.43%
Dominant channelBlue
Hex per channelR 37 · G 2A · B 67

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Every value on this page was computed from “372a67” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.