Colour

#33538B

#33538B
Blue
Dark
Nearest: Steel blue

#33538B is a blue with RGB values 51, 83, 139 and HSL 218°, 46%, 37%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#33538B#33538B

HEX#33538B

RGBrgb(51, 83, 139)

RGB (0–1)0.2, 0.3255, 0.5451

RGB percentages20%, 32.5%, 54.5%

HSLhsl(218.2, 46.3%, 37.3%)

HSV / HSBhsv(218.2, 63.3%, 54.5%)

CMYK63.3%, 40.3%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,363,723

CSS custom property--colour: #33538B;

Brightness & contrast

Relative luminance0.08754WCAG 2.x, 0 is black and 1 is white

Perceived brightness83.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.63:1

Contrast with white7.63:1WCAG normal text: AAA

Contrast with black2.75:1WCAG normal text: Fail

Greyscale equivalent#505050

Inverted#CCAC74

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3B588Dno red cones; affects about 1% of men; ΔE 3 from the original

Deuteranopia#2E508Ano green cones; the most common form, about 1% of men; ΔE 1.9 from the original

Tritanopia#006068no blue cones; rare, and affects men and women equally; ΔE 36.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text7.63:1WCAG large text: AAA

Contrast with black, large text2.75:1WCAG large text: Fail

Named colours

Steel blue · ΔE 20.3 Dark slateblue · ΔE 21.1 Cornflower blue · ΔE 30.3 Slate grey · ΔE 31 Light slate grey · ΔE 32.5 Midnight blue · ΔE 35

Nearest named CSS colourSteel blue (#4682B4)ΔE 20.34, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8B6B33

Analogous#337F8B, #3F338B

Triadic#8B3353, #538B33

Split complementary#8B3F33, #7F8B33

Tetradic#8B337F, #8B6B33, #338B3F

Tints, shades & saturation

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

Lighter +40%#AABEE0

Lighter +30%#85A1D2

Lighter +20%#6084C4

Lighter +10%#4169B0

Darker −10%#253D66

Darker −20%#182640

Darker −30%#0A101B

Darker −40%#000000

More saturated +25%#1B4DA3

Less saturated −25%#4B5973

Channel breakdown

R51

G83

B139

Red51 (20%)

Green83 (32.5%)

Blue139 (54.5%)

Hue218.18°

Saturation (HSL)46.32%

Lightness37.25%

Dominant channelBlue

Hex per channelR 33 · G 53 · B 8B

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#33538B

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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