Recognised as Colour

#400A25

#400A25
Red
Dark
Nearest: Black

#400A25 is a red with RGB values 64, 10, 37 and HSL 330°, 73%, 15%. It is a dark colour, so white text on it reaches 16.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#400A25#400A25

HEX#400A25

RGBrgb(64, 10, 37)

RGB (0–1)0.251, 0.0392, 0.1451

RGB percentages25.1%, 3.9%, 14.5%

HSLhsl(330, 73%, 14.5%)

HSV / HSBhsv(330, 84.4%, 25.1%)

CMYK0%, 84.4%, 42.2%, 74.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,196,901

CSS custom property--colour: #400A25;

Brightness & contrast

Relative luminance0.01441WCAG 2.x, 0 is black and 1 is white

Perceived brightness37.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.3:1

Contrast with white16.3:1WCAG normal text: AAA

Contrast with black1.29:1WCAG normal text: Fail

Greyscale equivalent#171717

Inverted#BFF5DA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#141A26no red cones; affects about 1% of men; ΔE 27.8 from the original

Deuteranopia#242424no green cones; the most common form, about 1% of men; ΔE 28.4 from the original

Tritanopia#460516no blue cones; rare, and affects men and women equally; ΔE 11.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.3:1WCAG large text: AAA

Contrast with black, large text1.29:1WCAG large text: Fail

Named colours

Black · ΔE 30.9 Dim grey · ΔE 42.9 Dark slateblue · ΔE 43.2 Dark slate grey · ΔE 44.2 Midnight blue · ΔE 46.7 Brown · ΔE 47.3

Nearest named CSS colourBlack (#000000)ΔE 30.85, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0A4025

Analogous#400A40, #400A0A

Triadic#25400A, #0A2540

Split complementary#0A400A, #0A4040

Tetradic#40400A, #0A4025, #0A0A40

Tints, shades & saturation

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

Lighter +40%#E0368B

Lighter +30%#C41F72

Lighter +20%#981858

Lighter +10%#6C113F

Darker −10%#14030B

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#490125

Less saturated −25%#371325

Channel breakdown

R64

G10

B37

Red64 (25.1%)

Green10 (3.9%)

Blue37 (14.5%)

Hue330°

Saturation (HSL)72.97%

Lightness14.51%

Dominant channelRed

Hex per channelR 40 · G 0A · B 25

Keep nerding

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

#400A25

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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