Colour

#33658D

#33658D
Blue
Dark
Nearest: Steel blue

#33658D is a blue with RGB values 51, 101, 141 and HSL 207°, 47%, 38%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#33658D#33658D

HEX#33658D

RGBrgb(51, 101, 141)

RGB (0–1)0.2, 0.3961, 0.5529

RGB percentages20%, 39.6%, 55.3%

HSLhsl(206.7, 46.9%, 37.6%)

HSV / HSBhsv(206.7, 63.8%, 55.3%)

CMYK63.8%, 28.4%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,368,333

CSS custom property--colour: #33658D;

Brightness & contrast

Relative luminance0.11934WCAG 2.x, 0 is black and 1 is white

Perceived brightness95 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.2:1

Contrast with white6.2:1WCAG normal text: AA

Contrast with black3.39:1WCAG normal text: Fail

Greyscale equivalent#5D5D5D

Inverted#CC9A72

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#53668Fno red cones; affects about 1% of men; ΔE 8.4 from the original

Deuteranopia#475D8Cno green cones; the most common form, about 1% of men; ΔE 9.5 from the original

Tritanopia#006F73no blue cones; rare, and affects men and women equally; ΔE 27.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.2:1WCAG large text: AAA

Contrast with black, large text3.39:1WCAG large text: AA

Named colours

Steel blue · ΔE 12.5 Slate grey · ΔE 20.3 Light slate grey · ΔE 21.8 Dark slate grey · ΔE 26.6 Dim grey · ΔE 27.5 Gray · ΔE 30

Nearest named CSS colourSteel blue (#4682B4)ΔE 12.46, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#8D5B33

Analogous#338D88, #33388D

Triadic#8D3365, #658D33

Split complementary#8D3338, #8D8833

Tetradic#88338D, #8D5B33, #388D33

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#ABC9E1

Lighter +30%#86B1D3

Lighter +20%#6099C6

Lighter +10%#4180B2

Darker −10%#254A68

Darker −20%#182F42

Darker −30%#0A151D

Darker −40%#000000

More saturated +25%#1B68A5

Less saturated −25%#4B6275

Channel breakdown

R51

G101

B141

Red51 (20%)

Green101 (39.6%)

Blue141 (55.3%)

Hue206.67°

Saturation (HSL)46.88%

Lightness37.65%

Dominant channelBlue

Hex per channelR 33 · G 65 · B 8D

Keep nerding

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#33658D

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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