Recognised as Colour

#40190F

#40190F
Red
Dark
Nearest: Black

#40190F is a red with RGB values 64, 25, 15 and HSL 12°, 62%, 15%. It is a dark colour, so white text on it reaches 15.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#40190F#40190F

HEX#40190F

RGBrgb(64, 25, 15)

RGB (0–1)0.251, 0.098, 0.0588

RGB percentages25.1%, 9.8%, 5.9%

HSLhsl(12.2, 62%, 15.5%)

HSV / HSBhsv(12.2, 76.6%, 25.1%)

CMYK0%, 60.9%, 76.6%, 74.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,200,719

CSS custom property--colour: #40190F;

Brightness & contrast

Relative luminance0.0182WCAG 2.x, 0 is black and 1 is white

Perceived brightness40.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.4:1

Contrast with white15.4:1WCAG normal text: AAA

Contrast with black1.36:1WCAG normal text: Fail

Greyscale equivalent#212121

Inverted#BFE6F0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#231F0Eno red cones; affects about 1% of men; ΔE 19.9 from the original

Deuteranopia#2D280Eno green cones; the most common form, about 1% of men; ΔE 20.2 from the original

Tritanopia#471117no blue cones; rare, and affects men and women equally; ΔE 9.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.4:1WCAG large text: AAA

Contrast with black, large text1.36:1WCAG large text: Fail

Named colours

Black · ΔE 27.9 Saddle brown · ΔE 35.3 Sienna · ΔE 37.3 Dim grey · ΔE 38.2 Maroon · ΔE 39.1 Dark slate grey · ΔE 39.2

Nearest named CSS colourBlack (#000000)ΔE 27.9, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0F3640

Analogous#400F1E, #40320F

Triadic#0F4019, #190F40

Split complementary#0F4031, #0F1E40

Tetradic#1E400F, #0F3640, #310F40

Tints, shades & saturation

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

Lighter +40%#D46447

Lighter +30%#BC492C

Lighter +20%#933922

Lighter +10%#692919

Darker −10%#170905

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#4A1305

Less saturated −25%#361F19

Channel breakdown

R64

G25

B15

Red64 (25.1%)

Green25 (9.8%)

Blue15 (5.9%)

Hue12.24°

Saturation (HSL)62.03%

Lightness15.49%

Dominant channelRed

Hex per channelR 40 · G 19 · B 0F

Keep nerding

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

#40190F

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

Nerdulate something else