Colour

#133D74

#133D74
Blue
Dark
Nearest: Dark slateblue

#133D74 is a blue with RGB values 19, 61, 116 and HSL 214°, 72%, 26%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#133D74#133D74

HEX#133D74

RGBrgb(19, 61, 116)

RGB (0–1)0.0745, 0.2392, 0.4549

RGB percentages7.5%, 23.9%, 45.5%

HSLhsl(214, 71.9%, 26.5%)

HSV / HSBhsv(214, 83.6%, 45.5%)

CMYK83.6%, 47.4%, 0%, 54.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,260,916

CSS custom property--colour: #133D74;

Brightness & contrast

Relative luminance0.04737WCAG 2.x, 0 is black and 1 is white

Perceived brightness61.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.78:1

Contrast with white10.78:1WCAG normal text: AAA

Contrast with black1.95:1WCAG normal text: Fail

Greyscale equivalent#383838

Inverted#ECC28B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#204276no red cones; affects about 1% of men; ΔE 3.2 from the original

Deuteranopia#093973no green cones; the most common form, about 1% of men; ΔE 2.9 from the original

Tritanopia#004A52no blue cones; rare, and affects men and women equally; ΔE 35 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.78:1WCAG large text: AAA

Contrast with black, large text1.95:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 20.2 Steel blue · ΔE 29.1 Midnight blue · ΔE 29.7 Dark slate grey · ΔE 37.7 Rebecca purple · ΔE 37.8 Slate grey · ΔE 38

Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.18, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#744A13

Analogous#136D74, #191374

Triadic#74133D, #3D7413

Split complementary#741A13, #6D7413

Tetradic#74136E, #744A13, #13741A

Tints, shades & saturation

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

Lighter +40%#6CA1E7

Lighter +30%#4085E0

Lighter +20%#216BCC

Lighter +10%#1A54A0

Darker −10%#0C2648

Darker −20%#050F1C

Darker −30%#000000

Darker −40%#000000

More saturated +25%#023B85

Less saturated −25%#243F63

Channel breakdown

R19

G61

B116

Red19 (7.5%)

Green61 (23.9%)

Blue116 (45.5%)

Hue214.02°

Saturation (HSL)71.85%

Lightness26.47%

Dominant channelBlue

Hex per channelR 13 · G 3D · B 74

Keep nerding

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

#133D74

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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