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Recognised as Colour

#33297C

  • #33297C
  • Blue
  • Dark
  • Nearest: Midnight blue

#33297C is a blue with RGB values 51, 41, 124 and HSL 247°, 50%, 32%. It is a dark colour, so white text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#33297C#33297C
HEX#33297C
RGBrgb(51, 41, 124)
RGB (0–1)0.2, 0.1608, 0.4863
RGB percentages20%, 16.1%, 48.6%
HSLhsl(247.2, 50.3%, 32.4%)
HSV / HSBhsv(247.2, 66.9%, 48.6%)
CMYK58.9%, 66.9%, 0%, 51.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,352,956
CSS custom property--colour: #33297C;

Brightness & contrast

Relative luminance0.03745WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.01:1
Contrast with white12.01:1WCAG normal text: AAA
Contrast with black1.75:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#CCD683

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00397Fno red cones; affects about 1% of men; ΔE 16.1 from the original
Deuteranopia#00347Ano green cones; the most common form, about 1% of men; ΔE 14.6 from the original
Tritanopia#0C3E4Eno blue cones; rare, and affects men and women equally; ΔE 50.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.01:1WCAG large text: AAA
Contrast with black, large text1.75:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 8.2Dark slateblue · ΔE 9.5Rebecca purple · ΔE 16.8Indigo · ΔE 23.5Slate blue · ΔE 26.3Navy · ΔE 27.9
Nearest named CSS colourMidnight blue (#191970)ΔE 8.21, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#727C29
Analogous#29497C, #5C297C
Triadic#7C3329, #297C33
Split complementary#7C5C29, #497C29
Tetradic#7C2949, #727C29, #297C5C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9E95DC
Lighter +30%#7A6FCF
Lighter +20%#5748C3
Lighter +10%#4336A2
Darker −10%#231C56
Darker −20%#13102F
Darker −30%#040309
Darker −40%#000000
More saturated +25%#231491
Less saturated −25%#433E67

Channel breakdown

R51
G41
B124
Red51 (20%)
Green41 (16.1%)
Blue124 (48.6%)
Hue247.23°
Saturation (HSL)50.3%
Lightness32.35%
Dominant channelBlue
Hex per channelR 33 · G 29 · B 7C

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Every value on this page was computed from “33297c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.