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Colour

#33529F

  • #33529F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#33529F is a blue with RGB values 51, 82, 159 and HSL 223°, 51%, 41%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#33529F#33529F
HEX#33529F
RGBrgb(51, 82, 159)
RGB (0–1)0.2, 0.3216, 0.6235
RGB percentages20%, 32.2%, 62.4%
HSLhsl(222.8, 51.4%, 41.2%)
HSV / HSBhsv(222.8, 67.9%, 62.4%)
CMYK67.9%, 48.4%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,363,487
CSS custom property--colour: #33529F;

Brightness & contrast

Relative luminance0.09242WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.37:1
Contrast with white7.37:1WCAG normal text: AAA
Contrast with black2.85:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#CCAD60

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A5BA2no red cones; affects about 1% of men; ΔE 6.9 from the original
Deuteranopia#11519Dno green cones; the most common form, about 1% of men; ΔE 4.7 from the original
Tritanopia#006471no blue cones; rare, and affects men and women equally; ΔE 46.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.37:1WCAG large text: AAA
Contrast with black, large text2.85:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.9Royal blue · ΔE 25.6Slate blue · ΔE 26.1Cornflower blue · ΔE 26.4Midnight blue · ΔE 26.9Steel blue · ΔE 28.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.88, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9F8033
Analogous#33889F, #4A339F
Triadic#9F3352, #529F33
Split complementary#9F4A33, #889F33
Tetradic#9F3388, #9F8033, #339F4A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B6C4E8
Lighter +30%#90A5DB
Lighter +20%#6986CF
Lighter +10%#4267C3
Darker −10%#273E78
Darker −20%#1A2A52
Darker −30%#0E162B
Darker −40%#010205
More saturated +25%#1947B9
Less saturated −25%#4D5D85

Channel breakdown

R51
G82
B159
Red51 (20%)
Green82 (32.2%)
Blue159 (62.4%)
Hue222.78°
Saturation (HSL)51.43%
Lightness41.18%
Dominant channelBlue
Hex per channelR 33 · G 52 · B 9F

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Every value on this page was computed from “33529f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.