Recognised as Colour

#191B30

#191B30
Blue
Dark
Nearest: Black

#191B30 is a blue with RGB values 25, 27, 48 and HSL 235°, 32%, 14%. It is a dark colour, so white text on it reaches 16.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#191B30#191B30

HEX#191B30

RGBrgb(25, 27, 48)

RGB (0–1)0.098, 0.1059, 0.1882

RGB percentages9.8%, 10.6%, 18.8%

HSLhsl(234.8, 31.5%, 14.3%)

HSV / HSBhsv(234.8, 47.9%, 18.8%)

CMYK47.9%, 43.8%, 0%, 81.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,645,360

CSS custom property--colour: #191B30;

Brightness & contrast

Relative luminance0.01204WCAG 2.x, 0 is black and 1 is white

Perceived brightness29.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.92:1

Contrast with white16.92:1WCAG normal text: AAA

Contrast with black1.24:1WCAG normal text: Fail

Greyscale equivalent#1C1C1C

Inverted#E6E4CF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#141E31no red cones; affects about 1% of men; ΔE 3.6 from the original

Deuteranopia#121C30no green cones; the most common form, about 1% of men; ΔE 3 from the original

Tritanopia#121F23no blue cones; rare, and affects men and women equally; ΔE 14 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.92:1WCAG large text: AAA

Contrast with black, large text1.24:1WCAG large text: Fail

Named colours

Black · ΔE 18.7 Dark slate grey · ΔE 29.1 Dim grey · ΔE 37.2 Dark slateblue · ΔE 39.9 Slate grey · ΔE 43.1 Midnight blue · ΔE 44.1

Nearest named CSS colourBlack (#000000)ΔE 18.7, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#302E19

Analogous#192630, #231930

Triadic#30191B, #1B3019

Split complementary#302319, #263019

Tetradic#301926, #302E19, #193023

Tints, shades & saturation

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

Lighter +40%#666CAF

Lighter +30%#4D5495

Lighter +20%#3C4173

Lighter +10%#2A2E52

Darker −10%#08080E

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#101339

Less saturated −25%#222327

Channel breakdown

R25

G27

B48

Red25 (9.8%)

Green27 (10.6%)

Blue48 (18.8%)

Hue234.78°

Saturation (HSL)31.51%

Lightness14.31%

Dominant channelBlue

Hex per channelR 19 · G 1B · B 30

Keep nerding

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

#191B30

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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