Colour

#191D33

#191D33
Blue
Dark
Nearest: Black

#191D33 is a blue with RGB values 25, 29, 51 and HSL 231°, 34%, 15%. It is a dark colour, so white text on it reaches 16.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#191D33#191D33

HEX#191D33

RGBrgb(25, 29, 51)

RGB (0–1)0.098, 0.1137, 0.2

RGB percentages9.8%, 11.4%, 20%

HSLhsl(230.8, 34.2%, 14.9%)

HSV / HSBhsv(230.8, 51%, 20%)

CMYK51%, 43.1%, 0%, 80%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,645,875

CSS custom property--colour: #191D33;

Brightness & contrast

Relative luminance0.01324WCAG 2.x, 0 is black and 1 is white

Perceived brightness31.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.6:1

Contrast with white16.6:1WCAG normal text: AAA

Contrast with black1.26:1WCAG normal text: Fail

Greyscale equivalent#1E1E1E

Inverted#E6E2CC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#151F34no red cones; affects about 1% of men; ΔE 2.4 from the original

Deuteranopia#131D32no green cones; the most common form, about 1% of men; ΔE 2.3 from the original

Tritanopia#102125no blue cones; rare, and affects men and women equally; ΔE 15 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.6:1WCAG large text: AAA

Contrast with black, large text1.26:1WCAG large text: Fail

Named colours

Black · ΔE 19.7 Dark slate grey · ΔE 28.5 Dim grey · ΔE 36.7 Dark slateblue · ΔE 39.1 Slate grey · ΔE 42.3 Midnight blue · ΔE 43.6

Nearest named CSS colourBlack (#000000)ΔE 19.7, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#332F19

Analogous#192A33, #221933

Triadic#33191D, #1D3319

Split complementary#332219, #2A3319

Tetradic#33192A, #332F19, #193322

Tints, shades & saturation

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

Lighter +40%#6571B3

Lighter +30%#4B579A

Lighter +20%#3B4477

Lighter +10%#2A3055

Darker −10%#080A11

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0F163D

Less saturated −25%#23242A

Channel breakdown

R25

G29

B51

Red25 (9.8%)

Green29 (11.4%)

Blue51 (20%)

Hue230.77°

Saturation (HSL)34.21%

Lightness14.9%

Dominant channelBlue

Hex per channelR 19 · G 1D · B 33

Keep nerding

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#191D33

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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